JavaScript

There are many times when a web designer needs to expand and collapse text on a website. This feature is especially useful when it comes to setting up FAQs, organizing blog entries and creating...

If you have a website, Javascript is used to create client-side scripting. Client-side scripting is a method that runs code on the website reader's computer. Javascript can be placed within the...

The single rollover image web design technique displays a new image when users move their cursor over the original image. A rollover link offers users the additional option to click on the new...

JavaScript is a scripting language that allows you to add functionality to your Web page. According to statistics from W3schools.com, 5 percent of Web users have JavaScript disabled, as of January...

When most people think of a countdown, they think about the countdown to go into a new year, but there are more features it provides. On websites, countdowns are mainly used to anticipate the time...

Dynamic HTML, or DHTML, is the technique of combining JavaScript actions, HTML formatting and CSS style to add interactivity to a web page. One of the most popular applications of DHTML is to...

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....

Javascript is a Web-based program that allows you to program applications to run alongside of, or along with, other computer software. Javascript is a specific scripting language created by Sun...

Functions are blocks of code that execute only when you call them. JavaScript features a wide range of useful built-in functions for common tasks, like mathematical calculations. You can write...

Web page calculators are a fun way to give your visitors a handy tool for doing a little quick math without pulling out their slide rulers. Calculators add a bit of fun and pizzazz to your...

Java is present in Web browsers and many new digital devices, like video games and Blu-ray discs. JavaScript allows your Web browser to display videos and other images with high-quality graphics,...

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...

Javascript is a programming language that facilitates the inclusion of dynamic elements on a web page. The scripts can be used to create rollover buttons on websites, swap images for dynamic...

A textstream object is a class that allows programmers to open, read and write to basic text files in a Web application. The text files then can be used by other areas of the application....

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...

JavaScript is a fast and easy way to add excitement and functionality to your web pages. And, there are lots of free JavaScripts out there for you to use. Read this article and find out where to...

JavaScript can be used to complete a large number of tasks on your Web page. And while most users will know that they can select "File" and then "Print" on a Web page, sometimes it is easier and...

A widget is a small piece of software or web-based code (e.g. JavaScript) designed to run a simple program. Typically, widgets are used by webmasters to add a tool or utility to their website in...

Adobe's JavaScript Flash Player adds quick interactivity to websites, allowing webmasters to seamlessly integrate JavaScript games, applications and widgets. It is impossible to view these...

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...

In the age of Wi-Fi hotspots, connections to the Internet are nearly ubiquitous; that said, there are often times where it is convenient to have a printout of a particular web page at your...

Javascript applets add functionality to web pages by downloading and serving external content to web browsers. For example, an applet can download data from an external data provider in order to...

JavaScript is a useful element of dynamic web pages. Conditional operators are shortcuts used to simplify "if" statements within JavaScript. Since "if" statements are essential elements of...

Getting URL parts into a JavaScript code segment is as easy as copying and pasting code, but with some basic knowledge, you can format the code yourself and understand the methodology behind...

Learn to use graphics in a Java applet in a few simple steps. This article will help you learn where to find resources for new code. You will be able to draw just about any shape in any object,...

JavaScript is used to add interactivity to an HTML page. Cascading Style Sheets (CSS) are used to create presentational parts of a web page such as colors or layouts. The two can be used in the...

One of the things that separates HTML from JavaScript is that JavaScript can calculate math--and although HTML is pretty powerful, it just doesn't "do" math. So it's the math that makes JavaScript...

Using string objects in JavaScript gives the web programmer a tremendous opportunity to create dynamic web pages with dynamic content, and they certainly save programmers a lot of time and effort....

There comes a time in every JavaScript programmer's life when it's preferable to work with a single part of a Web page or browser, rather than the entire collection itself. Figuring out which part...

Arrays are one of the basic JavaScript datatypes, along with numbers, strings, objects, and functions. JavaScript arrays hold a collection of values, each associated with a numerical index or...

The onClick event is triggered, or fired, whenever an HTML element on a page is clicked by the user. By defining an onClick handler on an element, the web designer can specify a specific action to...

Sometimes, it makes sense to wait until all the text, images, videos and sounds are loaded onto a web page before attempting to run scripts. For instance, scripting commands right in the...

As part of the Internet's "point and click" appeal, the onMouseOver event in JavaScript interacts with a visitor based on where he points the mouse cursor. It's a great way to display messages,...

A great way to automate tasks in JavaScript is to use its onSubmit event. With this event, you can have a web browser validate information submitted through a form before it reaches you. With the...

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...

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...

If you have a budding artist inside of you just waiting to burst out and create something, you've got a chance to strut your stuff with JavaScript! You can create your own objects in JavaScript...

You may at first balk at the idea of using a date object in JavaScript until you begin to understand its power. At first you may think that because your website visitors can see the date and time...

Once you understand the purpose of JavaScript Boolean objects and values, you'll be thankful they're not part of our justice system. In our world, these little things have only one place--and...

The JavaScript continue statement offers an easy way to stop the current iteration of a loop and start a new one. In other words, it skips any remaining statements in a loop...

JavaScript, like all programming languages, allows the programmer to specify that different things be done depending on the situation. This is the If-Then-Else, or If-Else construct. In JavaScript...

JavaScript's switchstatement allows you to specify different actions to be taken based on different values of a variable or expression. Whereas the if statement allows...

Alert boxes are useful for displaying quick informational messages or warnings. They are displayed using JavaScript's alert function.

Confirm boxes are a convenient way to give a web visitor a simple choice: to accept or to decline something. They are displayed using the JavaScript confirm function.

One of the easiest ways to create an interactive web page is to ask visitors to supply some information for the web page to manipulate in some way. In JavaScript, this can be done using the...

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...

JavaScript, like all programming languages, supports loops or repetition, in its case with the for statement. The for statement in JavaScript comes in two flavors: one...

The while JavaScript statement is an alternative to for for looping, in this case until some condition fails to be satisfied.

Normally JavaScript loops run as long as some condition is satisfied. The break statement allows the programmer to break out a loop immediately and unconditionally. It is also used to...