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Firefox version 21 What is the WEB DEVELOPER TOOL ? What are the fuctions and what is it for?

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I just want to know what all the tools do in the tools bar/ web developer

What does each of them control?

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0

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cor-el
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10780 solutions 97024 answers

Chosen Solution

Current Firefox versions have a lot of built-in web developer tools including an Inspector and Style editor.

The Web Developer toolbar has a help menu (F1) to facilitate entering commands.
You can also use this toolbar to make a full page screenshot.