JavaScript

Java is a scripting language that allows websites to display content that you can interact with. “Javascript:void(0)” error messages are displayed by your Web browser when JavaScript fails…

JavaScript supports a "slide" method that programmers use to create a sliding gallery of images similar to Android slideshow apps and screen layouts. This feature can be used to show a…

The JavaScript language has a function that detects the user's browser. You use this function to block a script from running when your website readers use Firefox. This function lets you write…

When a closure is created in JavaScript, you can reference local variables of a function even after the function has ended, with the values they had at the close of the function. Whenever you use a…

The void function in JavaScript is a reserved function that always returns the JavaScript value of "undefined." This forces a URL that calls the void function to stay in the same location,…

A function is a subprogram that can be called or activated by a separate program. If you feed values into a function, it will give you back a value as a result, whether that's a mathematical total or…

The Document Object Model makes it possible for Web pages to appear in your browser. The DOM consists of objects that describe items you can place in an HTML document. These objects exist in a visual…

Sending mail from a Web server is usually accomplished using sendmail, an open-source background service used by most Web hosts. In JavaScript there's no integrated method of sending mail, but using…

Using JavaScript functions, developers can carry out processing on text characters. If a page contains an input field for users to enter text, the developer can retrieve this text and determine…

JavaScript lets you automate scrolling features on your Web pages. If you want a div container to scroll automatically, you use the "scrollTop" property in JavaScript. The scrolling feature…

When you define a string in JavaScript, you enclose the string characters in quotes. If you start the string with a single quote, you need to end the string with a single quote and escape any other…

Creating a Web page sideshow only requires a few small JavaScript functions. Making its slides fade requires a bit more work. Slideshows, although common in the Internet, can help you display your…

A best practice when creating HTML forms is to validate user-supplied data. A best practice for validating the postal code field is to test it against a regular expression to determine whether it…

JavaScript and VBScript are two script-based computer programming languages. Unlike compiled languages such as COBOL and C, JavaScript and VBScript programs run directly in an interpreted mode and…

In Web programming, JavaScript finds itself part of the AJAX programming paradigm. AJAX stands for Asynchronous JavaScript and XML. The "asynchronous" aspect means that certain procedures…

You probably see scrollbars on Web pages often, but you may not see many scrollbars on objects that appear on those pages. It is possible for developers to add scrollbars to Web page elements. HTML…

Even if you never write a line of JavaScript code, you may occasionally see words such as "JavaScript Void" appear while Web browsing. JavaScript, a programming language, powers many…

There may be times when you need your JavaScript code to execute automatically without the need for the user to click on a button or link. You can do this using the Hypertext Markup Language or HTML…

Using the jQuery JavaScript language, you can refresh a tracking pixel. A tracking pixel must be contained within the DIV. The jQuery function refreshes the DIV and its pixel image without refreshing…

JavaScript regular expression searches provide developers with a method that searches a string using a pattern algorithm. You use regular expressions to search strings for repeated characters, so you…

Overlay windows provide you with asynchronous popup windows that don't require you to refresh the window or open a new browser window, which is intrusive for the reader. You use the JavaScript…

A JavaScript redirect is a programming technique that automatically sends a user from one Web page to another. Many trustworthy websites use this technique for a variety of reasons, but hackers and…

DataGrids are control structures used in web programming to present a large amount of data in a neat, clean, tabular format on the web page. The DataGrid connects to the underlying database, using…

JavaScript functions can carry out comparisons on variables and values of different types. If you have a Web page script with decimal numbers in it, you can use a JavaScript function to compare these…

In some Web applications, pressing a single hotkey or a combination of hotkeys triggers an action by the application. Standard hotkeys include "Ctrl-X" to move text to clipboard,…

Buttons are not the only Web page controls that have onclick events. Users can also click images, menu items and table cells. If your JavaScript onclick events fail to fire, users may not be able to…

JavaScript does not require any special code formatting apart from the language syntax. You can write an entire JavaScript program on a single line without extra spaces or new-line characters and…

JavaScript functions can carry out processing on numerical values, including decimals. Web page functions can receive decimal number values as parameters, or can return decimal values. JavaScript also…

Javascript is a powerful scripting language recognized by most modern Web browsers. Designed to work with Web files and URLs, it returns path strings in a format that browsers can easily understand,…

It's possible to retrieve the Unique Device Identifier (UDID) of an iOS device, such as the iPhone, with JavaScript and later use it in your application. UDID is a serial number specific to Apple iOS…

JavaScript has a variety of string-related functions that can be used to manipulate text-based objects. One of the most common reasons for breaking apart strings is when parsing values in lists. The…

The repeater control in ASP.NET allows you to create a list of items without the need to code the list one record at a time. Instead, you define the data set and the ASP language creates the list. To…

Without JavaScript, some websites can't load content such as menus and buttons. When Firefox is unable to load JavaScript, the browser can freeze, crash or close unexpectedly. JavaScript is a…

JavaScript errors appear in Firefox if the browser is incapable of displaying content such as menus and sounds. Developed by Netscape Communications -- now part of AOL -- JavaScript is a programming…

Website visitors quickly abandon a website unless it grabs their attention. Programmers use scrolling marquees to attract the eyeballs of visitors and keep them reading. JavaScript is a programming…

Web programmers use the JavaScript Void function to prevent a link from navigating to another page. You can see an example of this when clicking a link that creates a popup box. If you are getting…

WordPress is a tool to power your website or blog that is available as both a script you can install to your server and a hosted blog solution.You should consider the self-hosted version of WordPress…

Firebug can slash web development time by giving developers the ability to code webpages faster and shorten their programming life cycle. Given away as a free Firefox add-on, this JavaScript…

The JavaScript functions in a Web page can get and set the properties of HTML elements. Sometimes, when a page is set to alter its content dynamically as the user interacts with it, it is difficult to…

Microsoft Sharepoint allows developers and administrators to customize the server software interface. Sharepoint provides a company with internal file sharing and organizational features for each…

Deferrable JavaScript lets you load JavaScript objects asynchronously, so the JavaScript does not execute at the same time other elements, such as images and files, download. You must run Firebug on…

Developers use JavaScript to create interactive websites. Without JavaScript, many pages on some sites could not respond to button clicks, mouse movements or key presses. As a JavaScript developer,…

With the Firebug console for Mozilla Firefox, Web developers can edit pages to see how particular layouts or designs will look. You can also use the console to delete page elements, including…

There are a number of free website hit counters on the Internet that provide the Javascript code to begin tracking how many visitors your website is receiving on a daily, weekly and monthly basis.…

The JavaScript language lets you import text within a div container and manipulate the string. The "indexOf" function locates a character such as a caret and returns its coordinates. This…

Web pages can present user input elements within forms, capturing user data and sending it to server side scripts. The select and option elements in HTML allow developers to create drop-down list or…

Websites often use JavaScript functions to validate user input. When users enter data into a Web page form, the site normally sends this data to the Web server. Rather than sending invalid data, many…

The word “hyperlink” is the more formal, long-form term for a “link” on a Web page. Anchor tags use URLs – the address of a document on the Web – to create links in…

JavaScript is a client-side language that is used extensively when messaging users (with strings) regarding their input. Many characters used in JavaScript strings, such as double quotes, ampersands…

The ActionScript language lets you redirect to other HTML pages, such as AS3, in your website. Use JavaScript to parse the query string values passed from the ActionScript pages. The query string is…

When a web browser loads a new web site, it downloads files to a local cache. The web browser can then quickly access files from the local cache instead of redownloading the same file twice. If you…

In JavaScript, programmers can define units of code including variables and functions. JavaScript functions can also receive parameters, with the code calling a function passing these parameters…

Javascript code can add various kinds of functionality to a website. Visitors do not normally know when an owner updates a site. However, there is a Javascript code that will automatically give the…

If you have two text areas on a Web page and need to synchronize the scrollbars, you can do this using the jQuery JavaScript library and the "scrollTop" function. The "scrollTop"…

Whenever you pull up a webpage on the Internet, you see two things: your browser window and the webpage document you pulled up. Often the document is larger than the the window, which is why you see…

"Div" elements in a webpage are dynamic in that they automatically resize themselves upon publication. Getting the resulting size of such an element entails assigning that element an ID,…

Using a combination of JavaScript and Cascading Style Sheet code, you can cause division elements in your Web pages to appear and disappear with user interaction. You can initially set an element to…

KML is the standard language to transfer geographical locations in applications such as Web apps. Google uses KML for the company's Google Maps organization. You can call KML in JavaScript to open a…

You have two ways to create a text-box in an HTML page. You can either use the input element with its type attribute set to text, or you can use a textarea element. You can also use JavaScript…

The JavaScript language lets you change any CSS class programmed on your HTML elements. A div container displays a scrollbar when the content exceeds the height or width of the container. Use…

The "document.write" function lets you write text from your scripts directly to the console. The text displays in the user's browser window. You can link the function to a button or link in…

"Redirection" forwards visitors seeking one Web address to a different address instead, usually because the Web page has been moved. The usual method for accomplishing a redirect uses…

In encryption, a "cipher" is a code through which a text or message is passed. The cipher takes the letters of the text, and substitutes other letters based on whatever rules the cipher…

JavaScript is a Web programming language that is extremely useful for creating quick, efficient events on any Web page. To keep a track of the events occurring on a page, you can trace the events by…

JavaScript represents a way for programmers to build interactive Web pages that can react to users, or display dynamically changing data. Because of this, JavaScript is a prominent scripting languages…

JavaScript allows you to directly reference the values and properties of HTML elements such as input fields. To make referencing the input fields easy, you should name each input field in the HTML…

CFC is the name given to objects created by software engineers who use Microsoft's ColdFusion web programming language. Some developers working with additional languages such as JavaScript may need to…

Using JavaScript functions, developers can manipulate the output content within a Web page. The JavaScript language provides a range of resources for controlling and altering the content of an HTML…

Every new browser release, like a new operating system, garners both criticism and praise. Internet Explorer 8, released in 2008, is no exception. The increased performance of its JavaScript…

JavaScript uses curly brackets to define functions and conditional statements. You must use an opening bracket to start the function or conditional statement, then close the statements with a closing…

JavaScript serves as a general scripting language for the web. Programmers can use JavaScript to format and publish web pages with all sorts of content. In order to publish images and videos (or any…

JavaScript lets you dynamically change the CSS in your pages, so you can manage views after the user loads the page in the Web browser. You can change colors, location of HTML elements, visibility and…

With a correctly designed frameset (a group of contiguous rectangles within a web page), you can use JavaScript code to quickly change content within your web page's frames. Designing a correct…

The Eclipse Java compiler has an add-on that lets you debug JavaScript and Ajax in the editor. You must open the Web page in the Eclipse software, which executes the JavaScript in the compiler. Any…

Python is a cross-platform programming language that can be used on PCs, Macs and Linux-based computers. It’s also used on .NET and in Java. Python is simple to code and read, making it an…

Java uses the Model-View-Controller (MVC) system architecture to create web pages and dynamic online content. Separating the "model" portion of the Model-View-Controller strut logic removes it from…

Replacing the shortest matching regular expression (RegEx) in a JavaScript string is helpful when you want to perform a complicated search and replace function on some text. A regular expression…

The Mozilla Firefox Browser provides a unique environment for debugging Javascript programs. In addition to native features, such as source code viewing and error console display, there are numerous…

Computing applications are programs that carry out specific processes. Desktop applications run as standalone programs, launched through the operating system. Web applications, on the other hand, run…

JavaScript code models sequences of text characters as strings. Strings can contain alphabetic characters, numbers and punctuation symbols. In a JavaScript function, strings appear as values or…

JavaScript functions carry out various kinds of Web page processing. When a Web page calls a JavaScript function, this causes the code within the function to execute. A function can optionally receive…

Adobe ColdFusion is an application development platform typically used to create dynamic web applications. The main programming language used to develop these applications is "ColdFusion Markup…

JavaScript represents a foundational scripting language for the web. Within JavaScript, web programmers find a fully functional object-oriented scripting language with numerous built-in capabilities.…

Integrating JavaScript into your Visual Basic .NET (VB.NET) code lets you use both programming languages in a single function. This helps you create dynamic web content for your website with an…

A JavaScript function is a sequence of instructions contained within a block of JavaScript code, which is governed by the programming language syntax of JavaScript. A function is typically executed by…

The JavaScript language lets you dynamically set some properties for your WordPress widgets. One such property is the widget title, which displays in the user's browser. You use the JavaScript…

JavaScript is a scripting language for the Web used to perform calculations or control the layout of Web pages while embedded in HTML script. JavaScript's power and flexibility comes from the fact…

Douglas Crockford, in his book "JavaScript: The Good Parts," famously wrote: "eval is Evil." Experts agree: JavaScript's eval function introduces security issues, dramatically slows script execution…

The Drupal block editor lets you manage and create custom blocks. Both the plain text and full HTML text filters strip out JavaScript code, which prevents JavaScript from being displayed on the live…

One of the many Web page effects that JavaScript allows programmers to implement is the "scrollover" (or "mouseover") effect. This effect performs some sort of computation or visual signal when the…

JavaScript is a language that is widely used to alter user interfaces dynamically. Using JavaScript, Web developers can access the elements that are part of the HTML document object model, directly…

Programmers on the web use JavaScript as a flexible and functional programming language for the web. JavaScript's flexibility comes from the fact that programmers can use many traditional programming…

The Web 2.0 movement is a march towars increasingly interactive and collaborative Internet technology, and Ajax is one of many disciplines at its forefront. Ajax combines several programming and…

JavaScript serves as one of the fundamental languages of the Internet. It can parse and print HTML to Web browsers in order to display Web pages. It can perform complex mathematical computations like…

JavaScript is a popular web programming platform used for making a variety of different websites. It utilizes its own code library in addition to standard web programming codes such as HTML. Getting a…

Object literals are one of the mechanisms available in the JavaScript programming language to write object-oriented code. An object literal consists of a list (enclosed in curly braces) of…

JavaScript serves as a scripting language for the World Wide Web, often embedded into HTML code to execute certain commands or functions. However, JavaScript also functions as a fully-formed, object…

You use a Web form to collect information from visitors to your website, such as those registering to a mailing list or sending a message to an email address. To pass this information through to a Web…

ASP.NET is a Web development application framework developed and deployed by Microsoft. An upgrade to its predecessor, ASP, ASP.NET allows for the development of dynamic Web pages and websites.…

As an object oriented language, JavaScript contains objects and methods in its library to perform numerous tasks. The math object contains various methods and values to aid programmers in simple or…

Nonrepeating numbers such as pi are decimals that have no solution. You must round the number in JavaScript to perform addition on the values. JavaScript includes the "Round" function that rounds the…

A relevant, pithy quote can set the tone for a website. Quotes are also useful to separate thematic elements on individual pages or sections of posted text. The danger of leaving any static text, even…

Java Specification Request (JSR) 223 addresses the issues regarding the non-standardization of procedures or classifications of Java class files with other languages by defining a standard framework…

JavaScript functions in a Web page can output information in various ways. A section of JavaScript code can write out messages or code markup containing the values of variables, such as integers.…

JavaScript is a loosely typed language, so you don't have to declare the data type of a variable when you create it and you can change the type by assigning it new data. This doesn't mean you can…

Programmers use variables to hold bits of information that can change numerous times throughout the execution of a program or script. Once you create a variable, all you need is its name and you can…

The C programming language makes heavy use of functions. Functions compartmentalize code based on a purpose. For example, a function might print some bit of data to an output window. If you have a C…

Embedded objects include movie and sound files, and you have the option to play the file when the user opens the website or create a JavaScript button to play the file after the page loads. You use…

A procedure, function, or subroutine are all segments of larger programs that generally perform a highly specialized task. An example procedure is one that sorts lists. A list is sent over to the…

JavaScript is client-side code, so you use the language to dynamically change HTML controls after the page loads on the browser. You can dynamically remove and add drop-down list elements, so you can…

The object oriented scripting language Javascript is used in Web development to create dynamic websites. Javascript allows programming functionality to be added to HTML pages making websites more…

The JavaScript function "getElementsByTagName" retrieves the number of nodes and returns an array of records. You use this array to determine the number of nodes returned, so you can loop through each…

JavaScript allows you to create dynamic tables on your website. You can add styles to the table when you print the element on the Web page. The JavaScript feature lets you create tables of information…

UTC stands for Coordinate Universal Time, which is a 24 hour implementation of Greenwich Mean Time, or GMT. SST stands for Singapore Standard Time, which is eight hours ahead of UTC. The HP-UX is a…

Behind the familiar language and stylings of your favorite Internet pages are incredibly dense, nearly incomprehensible computer codes that translate into the input fields, images, links and graphics…

The flow of URLs -- the unique hierarchical addresses assigned to all objects on the Web -- is sometimes interrupted by clusters of hexadecimal numbers preceded by percentage signs. These are encoded…

In programming for the Web it might become necessary to perform calculations based on the date (or specific future dates) in order to get information to a viewer. Dates and times are handled…

PHP is a server-side scripting language that has many variable types, including strings, numbers, floats, arrays and objects. PHP does not support explicit type variable declarations, so each…

Scrollbars display automatically on Web pages. The scrollbar to the right of your page is the vertical scrollbar, while the one at the bottom is the horizontal scrollbar. The overflow property in…

Both the statement AddHandler and AddType are directives used in an apache configuration in website design. These statements are often used to modifying how a website displays files and, while they…

Combo Box, an element computer in Microsoft Visual Studio, refers to a construct in a form that allows users to make a choice among predefined alternatives or type their own alternative. Thus, it…

Internet Explorer is browser available from Microsoft, pre-installed on all Windows operating systems. If you have version 8 of Internet Explorer and you experience constant crashes while attempting…

Creating an object in Visual Basic 6 (VB6) means instantiating a class object and assigning it to a variable. Instantiating a class object means you invoke the class methods and properties, so you can…

Mozilla Firefox's "places" feature, enabled in Firefox 3 and later versions, stores your history and bookmarks in a SQLite database. The places database becomes larger and fragments over time. When…

Firebug is a Web development tool. It integrates with Firefox Web browser. With Firebug, you can edit, debug and monitor CSS, HTML and JavaScript live in any Web page. After you download and install…

When you are writing a shell script for a Linux system, you may find yourself referencing items such as the current user's user name or his home directory. In the long run, this can serve as a…

XML is a powerful markup language, similar to HTML. Unlike HTML, however, XML does not use a predefined set of tags. Instead, you create your own tags to organize the data in an XML document in…

Every computer programming language has a unique vocabulary and structure. Depending on what type of application you are building, you could use any variety or combination of languages in order to…

Firebug is a Web developing tool. It uses an advanced JavaScript debugger compatible with any browser. One of the panels in Firebug is the "JavaScript Debugger" panel. You can remove active scripts by…

The title bar is located at the very top of your Web page and contains the name of the page. Sometimes your Web page's title might be too long to fit within the title bar, making it so users cannot…

Web browsers interpret Web pages that are written in HyperText Markup Language, and, when used in conjunction with CSS and JavaScript, HTML is the standard language used to create pages on the World…

HTML forms allow websites to capture user data. HTML markup can include various interactive form elements, including combo-boxes. Combo-boxes provide user options through a drop-down list format.…

Looping structures exist in most programming and scripting languages. These structures allow the programmer to set up repeating (iterating) procedures based on conditions in the code. A loop can…

Developers often use JavaScript to create websites than can handle interactions, perform complex functions and get noticed over the competition. JavaScript is a powerful and flexible code, but even…

The following method may be used to create Java script for looping pictures. The images to be displayed are loaded into individual document object model (DOM) elements, and these elements share the…

Nodes make it possible for Web pages to exist. Objects on a Web page, such as buttons, paragraphs and text are actually elements called "nodes." A parent "paragraph" node, for example, may contain a…

The JavaScript "createTextRange" function sets up a range of characters for a text box. The range of characters is set by the number of characters contained in the "createTextRange" function. Users…

In server-side programming languages like PHP, an isset() function tells you whether or not you've used a variable at that point in the code; this can be used to check whether a form has been…

Failure to verify user input on a Web form can cause problems on your website ranging from minor annoyances to system crashes. A text box on a Web page allows users to enter any and all keyboard…

A JavaScript "slice" is a part of an array of variables. To change a "slice" of the array variable, you must specify the numerical index you want to change and assign the new value to the "sliced"…

The C++ programming language allows you to request memory for an object from the operating system in a process called memory allocation. Other programming languages automate certain aspects of memory…

JavaScript is an open scripting language whose popularity has soared in recent years. Web designers use JavaScript technology, which interacts with HTML source code, to construct interactive websites.…

The JavaScript "void" function provides Web developers with an "onclick" event trigger that returns nothing to the browser. The "void" function is typically used as a placeholder for hyperlinks…

The screen coordinates of an element are specified in its style declaration and stored by the browser within the Document Object Model (DOM) of the displayed HTML page. Each element within the DOM is…

Parsing XML data is generally straightforward in JavaScript. JavaScript functions run within the Web browser, with the ability to process XML provided by the browser program itself. To acquire this…

JavaScript allows you to set up a "select" box, which is the drop-down form element used to collect input from users. You can update and add a new value for users. This type of JavaScript feature is…

To add interactivity and intuitiveness to a website, especially those that are photo- or image-driven, JavaScript image sliders provide a pleasant user experience. JavaScript image sliders also add…

Anchor elements are used in HTML to make hyperlinks to other Web pages, but they can also be used to mark and link to different sections of a single page. A common technique is to create a table of…

The JavaScript programming language enables you to create client-side commands for your Web pages. You have several ways to implement JavaScript to add dynamic functionality to your site. You might…

A "text area" text box displays a multi-line form field where users can type in long paragraphs and comments. You can limit the text area using the scroll bars that show up when the user types in text…

Carrying out calculations in JavaScript is generally an easy task. Depending on the aims within your projects, as a developer you may find yourself often carrying out calculations within the…

IE7 and IE8 refer to Microsoft Internet Explorer 7 and Internet Explorer 8, respectively. They represent the seventh and eighth iterations of Microsoft's Web browser, which the technology company…

WordPress is built on PHP and MySQL. Anything you can do in a regular PHP website, you can also do in WordPress. For this reason, if you want to pass values between pages, use the "Get" method of PHP.…

The JavaScript "indexof" function lets you identify a number in a string. You then assign the number to another variable you set up in the JavaScript function. This type of programming helps you…

Scrollbars give your website's viewers an easy way to navigate long blocks of text if they don't have monitors large enough to display all the content simultaneously, but on a carefully designed…

JavaScript is a programming language widely used on websites that allow users to interact with dynamic content. Websites also rely on JavaScript to implement complex sidebars and menus, as an…

JavaScript is a client-side scripting language that executes when an enabled browser encounters an HTML <script> tag with the type attribute text/javascript. JavaScript has a host of functions…

It is very easy to time events in JavaScript by using the functions setTimeout() and clearTimeout(), where a section of code may be executed after a period of time has elapsed. The JavaScript function…

Style attributes set up your website's layout. You can dynamically control the website layout using JavaScript coding. Removing an attribute involves setting that attribute to a zero-length string.…

Scrollbars in a webpage can allow you to save screen real estate by allowing your readers to scroll within a <div> or similar element. Sometimes, however, these scrollbars can be unsightly…

Firebug is a free Firefox extension that lets you view, edit or debug HTML, CSS and JavaScript live on any Web page. When writing JavaScript code, it's helpful to run the code in Firebug first to make…

In a Web page, JavaScript functions can alter the CSS properties of any HTML element. Using JavaScript to set CSS properties to tailor the style of page elements is common. Learning how to alter…

Javascript is a computer programming language embedded in millions of Web pages and services, including Facebook, Twitter and Gmail. It is designed to provide a more interactive user experience. Most…

For a developer, the ability to trace a JavaScript program's execution is a very valuable skill. Debugging JavaScript often requires programmers to display diagnostic information in alert boxes or…

The Internet Explorer Web browser, included and enabled by default in the Microsoft Windows Vista operating system, features backward compatibility settings for websites using older technology that…

Not all websites display properly in Internet Explorer 8. Microsoft recognized that potential problem and integrated the Compatibility View. This mode displays websites as if they were opened in the…

Compatibility view mode is a feature of Internet Explorer 8 used to display incompatible websites as if they were being viewed in Internet Explorer 7. Some websites are automatically viewed in this…

Changing the class attribute of an HTML element using JavaScript allows developers to create interactive effects within websites. Using a JavaScript function, you can determine what behavior should…

Javascript void errors appear in your Internet browser when Javascript fails to load in your browser. These errors arise within your Web browser from a number of issues, ranging from pop-up blockers,…

Inspecting a JavaScript file for errors, such as a file used by a Web page, is done with tools that are built into Internet Explorer. However, when testing a Web page for JavaScript errors, you will…

If you find "%20" entered into a JavaScript string and you want to delete it, you may first want to consider what deleting this will do to the document in which it is embedded. The symbol "%20" is…

You can configure Internet Explorer 8 to completely shut off all downloads while using the browser. This setting can be useful when children and guests have access to your computer, because downloaded…

If you are cleaning your data set and want to trim text, there are a number of ways to do so. The way you choose to delete text depends largely on how complex your data set is, whether your text is…

Most programming languages have a "Len" function to determine the number of characters contained in a string variable. JavaScript does not have a preprogrammed Len function, but you can create one…

Web browsers react differently to different browser settings because of the way browser specifications have been interpreted or implemented. You can hide scrollbars using JavaScript, but there are…

Sorting a list is an important software operation. Finding something in an unsorted list means, on average, going halfway through the list. Finding something in a sorted list takes, at most, the…

Text strings may be converted to Integers in JavaScript using the parseInt(string, radix); function. The radix parameter is used to specify which numeral system to be used, for example : radix 2 =…

JavaScript is the programming language of the Web and is included with all major browsers. Writing code is as simple as writing the code in a text editor and opening it in a browser. JavaScript…

Mozilla Firefox contains an error console that displays errors, warnings and other messages from the JavaScript and cascading style sheet files on Web pages and installed add-ons. Access to the error…

JavaScript is a client-side scripting language that typically is used to create dynamic Web pages. One of JavaScript's advantages is its extensive library of built-in functions and objects that Web…

Internet browsers are the vehicles we use to traverse the Internet. Chrome is Google's web browser and Internet Explorer 8 (IE8) is an edition of Microsoft's web browser. The unique features of…

When writing JavaScript code, it can be helpful to check if a function exists before using that function in future code. By using the "typeof" operator in an "if" statement, you can check if a…

When developing web pages on your computer, it can be beneficial to test how the code renders in your web browser before uploading it to a web server. This allows you to troubleshoot issues before the…

Internet Explorer 8, like other Web browsers, supports JavaScript. JavaScript support is enabled by default and allows Internet Explorer to run JavaScript files, which are short programs embedded on…

The JavaScript String class provides at least two methods for splitting strings into substrings. The one you chose will depend upon how you want the string divided. One method searches the string for…

JavaScript is a client-side scripting language that gives web developers the ability to dynamically alter most HTML elements contained in web pages, including items contained in drop-down lists.…

Javascript is a client-side language that lets you manipulate a Web page after it loads into the reader's browser. You can use a variable created in your Javascript code to write text to the HTML…

The Java programming language requires the hand-typed Java source code to be compiled into a format that the Java Virtual Machine (JVM) can interpret and to run. This format is called a "byte code"…

Cascading style sheets (CSS) provide you with a way to use classes to set up page layout. The "body" tag contains all of your website images, text and colors. You change this class using JavaScript to…

At its core, HTML is a simple means of displaying text and images in different ways. That, along with the ability to anchor links to lines of text, allowing a user to traverse different pages by…

If you have a long web page that requires the user to scroll a lot, your users might enjoy the ability to get back to the top of the page quickly. This will encourage users to scroll down through the…

Cascading Style Sheets allow Web designers to apply design rules to their websites. One of these design rules is known as the focus pseudo-class. This rule enables Web designers to style the…

JavaScript can modify cascading style sheet information on a Web page, allowing the look or text of a page to change based on user input. An example of this is an HTML, style and JavaScript…

JavaScript is a client-side scripting language, which means it's executed on the client's PC. For a developer, this means that JavaScript can interact in real time with users by updating and…

In Javascript, when you put focus on a field, for example on a text box in an HTML input form, it makes that field active and places the blinking cursor inside the field. A user can type information…

JavaScript was first developed when Unicode was thought to have less than 65,536 functional characters. Since its inception, Unicode is capable of accessing more than a million characters, giving…

Bytes are the primary unit for a computer to store data. Bytes are represented by sequences of zeroes and ones (also called binary notation). Any data type stored in a computer gets converted into…

JavaScript is a client-side scripting language that provides a variety of functions that allow programmers to dynamically change nearly every aspect of a web page's user interface. Many web pages…

Javascript is the programming language built into Web browsers that allow dynamic changes to page format and content. Javascript can change the way page elements look. It can validate forms. It can…

JavaScript is a small program that's installed on web browsers for enhanced browsing. It is an add-on to web browsers, which by default is enabled because many websites use the Java platform. Your…

The Universal Time Clock (UTC) is a standardized format for date storage that can be read from the Java framework. UTC is based on an absolute date: January 1, 1970 in Greenwich Mean Time. Java lets…

It is possible, using Javascript and Cascaded Style Sheet (CSS), to change the color of a column by using the mouseOver(); and mouseOut(); functions to address the column-object in the Document Object…

JavaScript is a scripting language that allows developers some control over a visitor's browser. Developers embed JavaScript on web pages in one of two ways: using the "src" attribute of the…

On March 19th, 2009, the Microsoft Corporation released a new version of its popular Internet Explorer browser. The new version, Internet Explorer 8 (IE8), contains a series of upgrades and…

In computer programming, an integer is a type of variable that represents whole numbers. Integers are used whenever there is a count, an index or wherever else parts of the whole number are not…

JavaScript can be used to check for valid characters in any data value held inside the browser, from user-entered text in input boxes or text areas, to any value inside any tag scope, or object…

The .Net Framework has an extensive memory management system that cleans up old, unused segments of memory periodically. This process is usually referred to as "garbage collection." Most programs can…

If you have ever been on the Internet, you have likely run into JavaScript without even knowing it. As one of the primary programming languages of the Web, JavaScript is incorporated into a vast…

JavaScript is a scripting language that can function as both an object-oriented and a procedural language. JavaScript is bundled with most major browsers and runs when a page that includes the code is…

Javascript is a programming language used to run mini-programs in a Web browser. Most websites that allow the user to interact with the page's content include javascripts to deal with these…

Like most computer languages, PHP comes with a concept of local and global variables. While local variables are defined within a function and dropped from memory after the function ends, global…

UTC (Universal Time Coordinate) is a 24-value time system that serves as a standard for many electronic devices and software. Because UTC is calibrated to the the 0 degree longitude line, which runs…

JavaScript is an essential programming feature that allows you to read the text that appears on the websites that you visit while on the Internet. JavaScript is needed for nearly every website you…

Checking an object property for "null" or "undefined" is an error-detection procedure performed in JavaScript to avoid bugs in your website code. If you attempt to use an object set to "null,"…

The Internet Explorer 8 browser incorporates a compatibility view feature that allows users to view older websites as developers have originally designed them. As Web development evolves, technologies…

Javascript runs Internet processes while a computer is online. If you are having problems with your Javascript, you can enable the debugger on Internet Explorer. This will debug the Javascript every…

The iMac, a computer made by Apple, comes with the Web browser Safari already installed. When you visit a website, it may require JavaScript to be enabled in the browser in order to display the page…

JavaScript is a scripting language designed to work in all Internet browsers, including Internet Explorer, Opera and Firefox. The tool is used by web designers to add interactivity to website…

In Javascript, arithmetic operators function in the same manner and use the same syntax as most scripting or programming languages. Javascript provides arithmetic operators for addition, subtraction,…

Internet browsers were originally created to display simple documents. However, once the popularity of the Internet grew, developers found a need to make things happen on the page, such as changing…

JavaScript is a scripting language for adding specific functions to websites. Some people prefer to use the Internet with JavaScript turned off because it exposes some fundamental security flaws. For…

JavaScript code is great for creating interactive content on your website, but implementing it can be a lengthy process. Even after you have the code, you may have to do quite a bit more to work it…

JavaScript is used in conjunction with HTML code. This script allows web developers to include extra elements on their web pages in an effort to provide more interactivity or functionality. Because it…

The HTML line break character allows web designers to separate lines on a web page. This character is useful for creating a blank line between HTML elements such as text or images. You can also use…

A drop-down form is a menu on a website that has an arrow pointing down; when you click on it, a list of options displays from which you can select the one you want. After selecting the desired…

Modulus is the fancy mathematical term for what is more commonly called the remainder. There are a number of situations when programming where it can be useful to retrieve just the remainder of a…

You may have seen check boxes on forms while surfing the Web. A check box is an HTML element similar to a text box. Instead of displaying text, the check box displays a box. Check boxes on a web page…

JavaScript is a powerful, inexpensive and accessible web development platform available to everyone from amateur developers to advanced programmers. This guide describes how to use the JavaScript…

Internet Explorer has always had a "unique" (not a standards-compliant) way of interpreting JavaScript. As of IE8, most of these issues have been resolved, although there are still a couple of minor…

Javascript is a popular programming language that is used to create effects, add interactivity and alter the behavior of Web page elements. You can create forms, trigger events or detect browsers, and…

Java software does not come preloaded with the Windows operating system. Because of this, you must download the Java software from Java's website and install it. If you do not yet have Java installed,…

Portable Document Format, or PDF, files are standard read-only file formats offered online. PDFs let businesses create documents that readers are unable to change without the administrator password.…

The JavaScript Panel on your Windows computer can take many forms. This panel could be a scrolling news ticker or a flash banner on a website, for example. No matter the form of the panel, you can…

The JavaScript navigation bar on your Internet Explorer program uses JavaScript to give you a quick way to search the Internet. This navigation bar has a search box so you can use it as a search…

JavaScript was designed as a coding language that would be used sparingly to run small tasks on websites when Java might be too heavy. Now, it is widely used on many sites.

UTC, also known as Universal Time Coordinated, reflects the time at Earth's Prime Meridian. The Prime Meridian is the 0 degree longitude that runs through the famous Greenwich Observatory, which is…

One feature of Internet Explorer 8 that web developers have come to enjoy is its ability to switch back and forth between IE7 and IE8 rendering standards. However, there are misconceptions about how…

The Javascript language gives you extended functions to manipulate Web page elements after the user's browser loads your page. The difference between server-side scripting and client-side scripting is…

JavaScript can interact with the HTML elements on a webpage by using a concept known as the HTML Document Object Model, or DOM. JavaScript can detect every button on your webpage, including all…

Setting CSS styles with JavaScript is a straightforward and effective way to make a web page more dynamic and stimulating for visitors. You do not need to have extensive programming knowledge to alter…

Web pages have controls such as text boxes, drop-down boxes and buttons. When users visit your site, they can move through these controls by pressing the tab key. Each control has a tab index. This…

While most major browsers support the CSS (Cascading Style Sheets) property that will render HTML elements with curved corners, Internet Explorer 8 and below don't share this feature. That has left…

When your website needs a visitor to make a choice, you can add check-boxes or radio buttons to your web pages. Check-boxes are useful when you do not care how many items a user chooses. Radio buttons…

Web pages are comprised of a programming language known as "script." A web browser such as Internet Explorer 7 will take this script, load it and display it in the form of web pages. You can test the…

JavaScript is a client-side scripting language used to provide interactivity to web pages. A client-side scripting language uses the client computer, not the server, to execute the script. JavaScript…

JavaScript is an object-oriented scripting language that is commonly used in web development due to its ability to dynamically render webpages. The use of objects in JavaScript can lead to…

If you need to replace the JavaScript on a website, there are a number of places you may need to look. Websites use JavaScript that is stored in many different places. Some JavaScript code may be on…

JavaScript is a scripting language that was developed by Netscape, and is used in millions of web pages and server applications all over the world. If you're experiencing JavaScript errors on your…

Form fields are the elements displayed on a webpage that let your readers submit information. The user enters information and clicks the "Submit" button to send it to a database or an email address.…

The JavaScript programming language lets you interact with users after they have already loaded the page into the Web browser. This language is used after your pages have already loaded the dynamic…

More and more Web pages are incorporating JavaScript functions that run in loops at regular intervals, either to ping a URL for updates or to provide greater user interactivity with the page.…

JavaScript security model is designed to protect the user from malicious code that is intended to access local files on the user's computer. In general, JavaScript restricts websites' control within…

JavaScript is a client-side scripting language that, among other things, allows developers to design web pages that alert users when they have provided invalid input. Web page forms often request…

The modulus operator in Javascript is a type of division operator. When you divide two numbers and there is a remainder, the modulus operator returns the remainder as an integer. This is beneficial…

Each element on your Web page has properties. Properties are a part of the object that establishes design layout details such as the element's color, size, font or location on the page. You can use…

JavaScript errors and bottlenecks can stop beautiful code in its tracks. However, debugging JavaScript in Mozilla Firefox can be greatly expedited by a using a number of widely available extensions.…

JavaScript allows you to navigate interactive and animated websites on your Windows Mobile 6 device. Whether you have a Pocket PC or a smart phone, you can enable Java by downloading the JavaFX…

Java is a computer platform, plug-in and language developed by Sun. Java is similar to, and in competition with products such as Adobe Flash. Like its competitors, Java is free to download, use and…

In JavaScript, a function called "JavaScript:void" will sometimes appear when an attempt to load a page is detected. This function is sometimes used by programmers for various reasons, for example, to…

The JavaScript programming language is a tool website and software developers utilize to promote interaction between your web browser and a website's features. JavaScript is compatible with versions…

JavaScript features a single type for numeric values called "number" to handle integers and floating point values. Under the hood, numbers is a double-precision 64-bit value. While in reality, numbers…

Websites are a common means of collecting information from potential customers. Often, this information includes text that the site visitor must enter into a form. In order for you to capture this…

JavaScript is a programming language used to improve interactive and graphical web content as you surf the Internet. If JavaScript is disabled on your computer, webpages won't display the way they…

JavaScript is a commonly used web development tools. It is one of the easiest scripting languages to learn, but it can also produce powerful web applications. Like any scripting language, its methods…

JavaScript is a Web scripting language used to provide client-side functionality such as form validation and user messages. There are many ways in which JavaScript can help you with the development of…

JavaScript has several interactive features, one of which is browser detection. Many different browsers are available to users today, such as Internet Explorer, Firefox, Chrome and Safari. JavaScript…

JavaScript allows interactive content on web pages to display in web browsers. This interactive content includes videos, music, picture slides and Flash format games. Without JavaScript turned on,…

XML, or Extensible Markup Language, is similar to HTML, but transfers and stores information instead of displaying it. XML works with HTML in carrying data and HTML formats the data for display on a…

Web page developers use programming languages, such as Javascript, to add dynamic features and functions, such as menus, sounds, buttons and other items, to a Website's interface. The language is…

The web coding language JavaScript allows developers to display content in different ways. To get the most out of your browsing experience, enable JavaScript on your computer. There's no need to…

JavaScript is an object-oriented scripting language that allows interaction between page content, the browser, and the input or actions of the reader. JavaScript is used to program Internet games,…

Web pages--which began as a simple way to transfer scientific papers to other people around the world--have blossomed into rich applications built for the Internet and Web browsers. One of the basic…

JavaScript date manipulation is not as robust and full-featured as the date-handling methods found in higher level programming languages such as PHP and ASP.NET. If you need to format a date in…

Many tools enable you to create an interactive website. JavaScript is a client-side scripting language you can use to produce dynamic data with a few lines of code. This keeps your site fresh and…

JavaScript does not have an actual destructor mechanism like C++ or other languages. That said, when you're creating objects in JavaScript, you can still implement some basic destructor-esque…

JavaScript is a popular coding language that is often used alongside the HTML language in website development. These scripts help to make a website more interactive for the users and offer more…

Javascript is primarily used in Web browsers to enhance user interfaces, interactive features and video content. This application is often turned off to enhance security and boost browsing speed.…

JavaScript is a dynamic scripting language that is used to add interactivity to static HTML pages by embedding blocks of code on any part of the web page. Usually, JavaScript is implemented on the…

JavaScript makes it possible for site visitors to jump to a previously viewed Web page by clicking a back button on a Web page. However, there may be times when you want to change a back button's…

JavaScript is a type of scripting language needed to access certain websites on the Internet. JavaScript is enabled by default on the Internet Explorer 8 Web browser, and you can easily disable it at…

Javascript is a Web scripting language that helps make websites interactive for users, according to Devx.com. If you have Javascript disabled in your IE7 web browser, some pages might not work for…

JavaScript is a popular object-based scripting language used for creating Web pages. It helps Web page creators in making more dynamic and complex pages, easier and faster. JavaScript uses a syntax…

JavaScript is a scripting language for developers to insert some interactivity in their websites. Being a lightweight programming language, JavaScript is relatively accessible to web developers who…

As far as JavaScript is concerned, Internet Explorer 7 is huge improvement upon Internet Explorer 6. This improvement can be seen both by developers and general users; naturally, the difference for…

JavaScript is a programming language that runs on your machine and displays complex graphics, such as animation or video, on a web page. JavaScript is designed to run fast because you don't need to…

Javascript provides Web developers with the tools necessary to create dynamic pages. Javascript is used to create menus, change images when the user hovers the mouse, and implement client-side…

Windows Vista's default web browser, Internet Explorer, or IE, can take advantage of the JavaScript web programming language to display content on websites that contain JavaScript-encoded content.…

Many web developers use JavaScript to change a user's text input after he types it into a text box. For example, you could use JavaScript to remove objectionable words from a forum user's post. You…

Javascript executes on the client's Web browser, so it is commonly used for dynamic website configurations and interaction with readers. Javascript does not have an "isNumber" function like other…

The Document Object Model, or DOM, is a representation of a website stored in the memory of a computer. JavaScript is used to add, alter and delete elements from the DOM such as links, images or text.…

The ASP.NET framework provides Web developers with the tools to create dynamic websites. The controls used in an ASP.NET website are executed on the server. This means the control is unavailable to…

The "action" property of a form determines what page processes your Web form. The action property of a form can be dynamically set using Javascript. Javascript is a lightweight programming language…

Sometimes in web programming you'll need to change webpages after they've already been loaded. Luckily, JavaScript makes this simple. If you need to add options to a combo box (called a select box in…

It's important to make sure the input you receive from a user on a webpage is what you expect it to be, in order to prevent errors. For example, you may be programming an online calculator that…

JavaScript is a content creation system used for websites. With JavaScript, it is possible for websites to display interactive content such as dynamic menus or small applications such as calculators…

There are many different coding languages that make up the modern Web as we know it today. Each has its own purpose; HTML is the "skeleton" of Web pages, CSS handles layouts, etc. JavaScript at its…

If Javascript is disabled, you may have trouble viewing some webpages correctly. Javascript is not turned on or off through your Windows Vista Control Panel. Instead, the feature is a…

Objects are a collection of functions and properties used in object-oriented programming. When you attempt to use a property or function without defining an object, an error is displayed in…

JavaScript was developed by Netscape Inc., and while it does share some similarities to the Java platform, they are two completely different types of computer programming languages. Enabling…

JavaScript is an object-oriented scripting language used to provide enhanced user interfaces and dynamic websites. The JavaScript programming language is primarily used to write functions that are…

JavaScript is a popular client-side scripting language. When a visitor views a website, JavaScript embedded in the web page code runs within the visitor's browser. JavaScript can be used to style a…

Javascript is a client-side language used for website programming. A Javascript void(0) error occurs for several reasons, but it is an easily fixed error. Javascript errors are shown in your browser,…

Javascript is a language used to automate some actions on a website. The language is run on the user's computer, so the programmer can change the "action" property in a form located in a web page. The…

Javascript void errors occur when the user blocks Javascript coding on the web browser. Javascript is a small language used to dynamically control a website on the client side. This means the code is…

The variables in your JavaScript code may be "empty," not initialized (never assigned a value) or not declared. Empty values are based on type of the variable. Empty values include: '' (string), null…

JavaScript is a programming language used over the web. Modern web browsers like Internet Explorer, Safari and Firefox all allow you to run JavaScript. JavaScript is a "client side" language. That…

JavaScript is one of the tools in your Web developer toolbox you can use to ensure your visitors have a positive experience on your website. Occasionally, you may have a Web page where you or your…

JavaScript is a lightweight, programming language that works well with the HTML (HyperText Markup Language) that forms the backbone for most websites. Many Web developers use JavaScript to enhance the…

JavaScript is an object-oriented programming language that provides developers access to client applications. The language is most commonly used to achieve dynamic or interactive functionality in web…

JavaScript is an object-oriented programming language, normally used to enhance usability and make websites more dynamic. One of the most dynamic aspects of JavaScript is its ability to process links…

JavaScript is used to create dynamic web pages that include pop up menus and animations on HTML pages. If the web pages are to be run on an Apache web server, then the Apache server needs to be…

JavaScript errors are extremely common and knowing some basics about what happens when such notifications pop up can help in addressing them. JavaScript errors do not originate from your computer, but…

Since JavaScript is a client-side language that runs on the common browser, it can be employed to display interactive web pages. JavaScript can be used to control window scrollbar features of a web…

A modern web page requires that multiple technologies all work seamlessly with one another to perform even the simplest tasks. If one fails, a website can go from a simple, friendly experience to an…

JavaScript would mean nothing if there was not a program to calculate and interpret it. This program is called a compiler. You will need to have the Java compiler installed on your computer before you…

JavaScript is a programming language designed to be usable on Web pages and even directly within HTML documents. It allows a Web page to have more features than it normally would be possible using…

People often express time zones from around the world as positive or negative offsets from Coordinated Universal Time, or UTC. UTC is the time standard based on International Atomic Time and in casual…

Textboxes are HTML form elements that allow users to input information into a website. A textbox element has a standard "Value" attribute which allows the programmer to auto-fill the textbox with…

Values in JavaScript can either be statements or numbers. They are contained within containers called variables. These values can change depending on a number of factors. Thus, while checking for…

Cascading style sheets (CSS) provide a quick and easy way to specify the look and feel of documents written in a markup language. CSS styles are most often applied to web pages written in HTML or…

Extensible Markup Language (XML) is used to display data using "nodes." Each node provides a record for display. Some developers need to retrieve an XML file and display it to the user. This can be…

JavaScript is a useful language for adding any sort of interactive or dynamic elements to HyperText Markup Language (HTML). While JavaScript has a different syntax than that of HTML, it can be easily…

The style class for objects on your Web pages is used to change colors, visibility and font attributes. You can change the styles using JavaScript code in your Web page layout. This makes your layout…

Extensible Markup Language (XML) is a language used to create websites. JavaScript, meanwhile, is a client-side programming language used to create menus and other user interfaces. Together, XML and…

Microsoft Internet Explorer implemented a security model for web pages loaded from the local machine that may block JavaScript. Web developers testing web page edits on their desktop computer may have…

Sometimes it is difficult to find errors in JavaScript code. When testing the code, your browser may simply fail to execute it; or your browser may spit out an alert, but the alert may not have a…

Tables are elements located in a website used to format the layout of images and text. When you place a table on your web page, you set a size. The size is set in the width and height properties of…

JavaScript, a script language created and produced by Sun Microsystems, gives designers the ability to craft programs and applications for online use. Sun provides a wide variety of JavaScript file…

JavaScript, like Java, assigns each piece of data a class. Dates are stored in a compressed format to save memory. Data classes can be converted to make it more convenient to handle the information.…

Realplayer is a video streaming solution created and distributed by Real.com. This software can also be downloaded onto the desktop and used as a multimedia solution. However, websites that use…

Many websites and applications use JavaScript. After formatting your computer or uninstalling Java, JavaScript may not work correctly. Replacing JavaScript is as easy as reinstalling Java. Viruses,…

JavaScript is a powerful programming language, which you can utilize to add usability to your web pages. To use JavaScript you need an understanding of HTML and XHTML programming. Learning a few…

JavaScript void is a web browser error that usually appears when the browser is running into problems loading the JavaScripts on web pages. It is an error that can be caused by different factors…

Many computer applications rely on JavaScripting to function properly. Many websites also rely on Javascripting for display and for communication with other applications within the web browser.…

JavaScripts are snippets of code written in JavaScript, a programming language created specifically for use on the web. While you use HTML to construct your pages and CSS to style them, JavaScript can…

JavaScript is a Web language built into all major browsers that you can use to make your Web pages do a lot of neat tricks. Designing a website's navigation menu is one of the most common things you…

The "javascript:void(0);" statement is often when a link has no URL attached to it but is used to reference a JavaScript function. If there is no URL attached to the link, the browser does not know…

JavaScript is a web programming language that allows you to manipulate websites in ways that simple Hyper Text Markup Language (HTML) code doesn't allow. With JavaScript, you can add enhanced…

JavaScript is the most common language for programming websites. It allows for a level of interactivity that is not possible with HTML alone. Changing the JavaScript may be necessary to update a…

String functions are available in programming languages like JavaScript. These string functions allow manipulation and comparison of strings, including replacement of characters with other characters.…

Javascript was developed in 1996 and appeared as a server side language that accompanied the Netscape Internet browser. The basic idea behind the development of Javascript was to give web page…

JavaScript is a computer scripting language used primarily to grant programmable access to objects featured in other software applications. It is mostly used in websites. You can learn JavaScript…

JavaScript is a coding language used by many websites in order to allow their users to participate in website interaction. Most computers are already equipped to read JavaScript. However, the…

When writing programs and working with web pages written with Javascript, it is often useful to convert strings to integers. In fact, when you are getting input from the user, you will nearly always…

JavaScript is functionality that is built into a Web browser that adds interactivity to the Web page. Developers can write JavaScript and incorporate it into a Web page or website (as a separate file…

Rotating an image on a web page with Javascript is relatively easy. You need to be familiar with HTML, so you know what you're looking at when you edit the web page code to rotate the image, but if…

JavaScript is a client-side scripting language that is embedded in web pages. JavaScript allows for dynamic content than static HTML.

Javascript is a web-based computer language developed by Sun Microsystems. Javascript is used to deliver data to the end user through a web browser. It is commonly used to create menus, web forms and…

If you enjoy making web pages and have used JavaScript in the past, you may want to learn this technique of comparing two strings in JavaScript. Originally, JavaScript was patterned on Java.…

Many websites have input boxes where people visiting the site can input information. This is especially useful for sites that ask users to sign up and create an account, but these types of forms are…

Javascript, developed by Sun Microsystems, is a scripting language used primarily for website development. Flexible and relatively easy to learn, Javascript has been integrated into a number of…

For people who browse the web using Internet Explorer 6 on their PC, JavaScript should be automatically enabled. However, if the feature is accidentally turned off, you can turn it back on through the…

Javascript is actually part of the Sun Microsystems Java Runtime Environment; it's not a program in and of itself. It's a programming language that Web designers use in order to add dynamic content to…

By default, JavaScript should be enabled on Internet Explorer, the web browser that is included with all new PCs running Windows XP or Vista. However, if you find that the JavaScript option has been…

By default, JavaScript is usually enabled on all of your web browsers. However, if it is accidentally turned off or you find it has been disabled for another reason, you can turn it back on in each…

Firebug is Firefox add-on that allows you to experiment, test and troubleshoot HTML, CSS or JavaScript code on any website. Firebug is extremely useful when developing web pages and it displays an…

Edit JavaScript with Firebug using the Document Object Model (DOM) with Find and Edit. Updates are viewable immediately, but they are not saved on the website page. Firebug is also useful for checking…

Debugging JavaScript can be a long, arduous process, but Firebug makes it easy by allowing you to step through the code and find exactly what you're looking for by isolating certain values in the…

Older web browsers are not equipped to handle standard Javascript. The 1 and 2 versions will likely display your full Javascript code instead of performing the Javascript you want. If you don't want…

Part of being an efficient JavaScript programmer is not only ensuring your code runs the way you want it to, but also ensuring that you code your scripts to catch errors. It isn't always easy to catch…

If you've ever want to "throw" a tantrum while writing a script with the JavaScript programming language, it's perfectly understandable. Unfortunately, tantrums don't work well in JavaScript. You can…

Functions--named groups of statements that can be "called" or "invoked"--lie at the heart of JavaScript. Functions can be given special inputs, called "parameters" or "arguments", which control what…

Variables in JavaScript, as in any programming language, hold the numbers, strings, and other values used by a program. They are declared using the var command.

JavaScript allows you to dynamically write text onto the page, using the document.write and document.writeln functions.