![]() ![]() While Firebug focuses on JavaScript performance and provides detailed information about JavaScript function calls during the profiling session, the Performance Tool in the DevTools offers a broad spectrum of information regarding a website’s performance but doesn’t go into detail regarding JavaScript function calls. This is the part where Firebug and the DevTools differ the most, because the outputs are completely different. it also provides information about HTML parsing or layout. The output of the Call Tree is the one that comes nearest to the output in Firebug, but the Performance panel provides much more information than just the JavaScript performance. ![]() FireBug integrates with Firefox and provides a wide range of development tools. A profile can be created via console.profile() and console.profileEnd() like in Firebug or via the “Start Recording Performance” button in the Performance Tool. To install FireBug directly in your browser, click here and click Download. The DevTools provide advanced tooling regarding performance profiling. Getting Set Up To Work On The Firefox Codebaseįirebug allows to profile JavaScript performance via the “Profile” button within the Console panel or the console.profile() and console.profileEnd() commands. ![]()
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