The Firebug add-on can be extended with a wide variety of extensions which provide additional functionality. Click on the 'layout' tab in the right panel of the inspector to analyze the box model of an element.Ī Javascript Debugging Extensions.
To only view which rules eventually apply to an elmeent select 'Show computated style' in the drop down menu of the 'CSS' tab. The cascading effect of the stylesheet is shown as styles that are overruled are stricken out.You can view and edit the styles here live. When you select an element its style is shown in the 'CSS' tab on the right.Click on them to jump to the element in the source code. Use the inspect icon and hover over elements on the webpage to analyze them.Select an element and click on 'edit' to modify the code live. Hover over the HTML elements in the source code to locate (highlight) and check out the element on the webpage.With the HTML Inspector you can view, edit and copy the source code.The core features are the HTML, CSS and Layout inspectors: The Firebug add-on comes with a clear documentation on its features, so rather then quoting the documentation we'll guide you to the right page. We won't go into the AJAX part right here. The first 1:40 min of the screencast will do. The easiest way to explain how this Firebug feature works is by watching the Firebug HTML and CSS inspector video by Jesse Newland. By default you will see the webpage on the top, the HTML source code in the bottom left and the CSS code in the bottom right. To start using Firebug startup Firefox and click on the Firebug icon in the bottom right. If you understand the basics of HTML and CSS the Firebug HTML and CSS inspector allows you to analyze and tweak your own web design and that of any other webpage. To get started download and install Firebug from:
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