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The Firebug entry point and also the only Firebug UI visible immediately after installation is s Firebug button (icon) placed at the right side of the navigation Firefox toolbar.

This button is called Firebug Start Button and its main purpose is to open Firebug UI by clicking on it (you can also use F12 key to open Firebug) but, the button does much more than just opening Firebug...

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Firebug's Net panel offers an option called Show BFCache Responses that allows tracking also responses coming from BFCache. But what the heck is this cache for?

Read this post to understand how this cache is different from the standard browser cache and why Firebug supports it.

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Updated: how to use this feature from the command line

Have you ever placed console.log into a JS function just to figure out whether the function has been executed? Did you also happen to make a syntax error when doing that code modification? 😉

Then you could be interested in Firebug feature that allows to log function calls without changing the code!

This feature is ready behind a Log Calls To ... menu item that is available if you right click on a function link (e.g. in the DOM panel).

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Updated: how to use this feature from the command line

This Firebug feature is called simply Log Events and allows developers to log DOM events into the Console panel.

All you need to do is right click on an element in the HTML panel, pick Log Events from the context menu and switch to the Console panel to see the logs in action.

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