How to Change the HTML Text in Firefox
Changing HTML code inside a webpage allows a user to see what a page looks like with different text, colors or layout. For developers, changing HTML inside the web browser is a safe way to fix issues or to see what limitations a design offers. The main browsers that users look at web pages in are Microsoft Internet Explorer and Mozilla Firefox. One of the major differences between Firefox and Internet Explorer are Firefox's plugins. Firefox offers a wide selection of plugins, including the Firebug plugin, which alters HTML inside a web browser.
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Instructions
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Instructions
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Open Firefox from your desktop. Type https://addons.mozilla.org/ into your address bar and hit the Enter (or Return) key. This address is the plugins page for Firefox.
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Type "Firebug" in the textbox that says "search for add-ons." Click the arrow button to the right of the search box. This will take you to a results page with listings for obtaining Firebug.
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Click on the first option for Firebug. If you don't have the most recent version of Firefox then you have the option of downloading an older version of the plugin. Click the "older version" text to the right to go to a page that has the older versions available. As of January 2010, the current version of Firefox is 3.6 and the current version of Firebug is 1.5. Firebug 1.5 is compatible with Firefox 3.5 or later.
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Install the version of Firebug that works for your version of Firefox. Restart your browser when the Firebug plugin has finished its installation process. You'll be able to find it at the very bottom of your browser window; it's the bug icon.
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Type in a new web address in the address bar. For example, if you want to change text on cnn.com, type in http://www.cnn.com.
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Open the Firebug plugin by clicking the bug icon at the bottom. You'll see the plugin open from the bottom of the browser. Highlight the HTML tab, to the right of the Console tab.
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Click the second icon at the top of the plugin; it looks like a box with an arrow inside of it. This tool allows you to highlight an element from the webpage. Inside the webpage click on the text you want to change.
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Click the Edit button under the top row of icons inside the plugin. The line of HTML that contains the text you just clicked appears. Click inside the box with the HTML text and modify it to your preferred text. The HTML automatically changes inside the webpage. Click the Edit button again to keep your changes throughout your time on the webpage.
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Tips & Warnings
Edits made to a webpage inside of Firebug are not permanent; they are just for visual purposes. Permanent code changes can only happen when files are saved to a web server. Developers, to save code changes pertaining to your website made through Firebug you must go to the "File" tab, then proceed to "Save Page As" to save your changes. Save your HTML file to a location on your computer with an .html or .htm extension and save as type "Web Page, HTML only." Transfer your file using an FTP program to your web server to make changes visible to the public.
