Firebug Tutorial
What is Firebug
Firebug is a free web development tool.
In this tutorial we are going to discuss following -
- How to install Firebug.
- Inspect and edit HTML with Firebug.
- Inspect and edit CSS with Firebug.
- Debug and profile JavaScript with Firebug.
- Execute JavaScript on the fly with Firebug.
- Logging for JavaScript with Firebug.
- Monitor network activity with Firebug.
Installing Firebug
You can download and install Firebug from https://addons.mozilla.org/en-US/firefox/addon/1843/.
After visiting the page referenced above, click on the Download button, it shows a window to and click on the Install button there. It takes a while and asks you to restart the Firefox browser. Once rebooted, click on Firebug under Firefox(top left corner of your Firefox browser) > Web developer.
At this stage firebug is not activated. If you click that icon, Firebug will get activated.
Components of Firebug
Firebug Options
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Click an element in the page to inspect
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Go back and forward
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Show command line
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Panel selector
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Console
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HTML Panel
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CSS Panel
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Script Panel
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DOM Panel
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Net Panel (used for profiling so useful for page speed measuring and optimization)
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Buttons for other activities
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1 - Minimize Firebug.
2 - Attach Firebug to the browser window.
3 - Deactivate Firebug for this site.
Test your Programming skills with w3resource's quiz.
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