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Questions tagged [firebug]

Firebug was a Firefox extension, which allowed the debugging, editing, and monitoring of any website's CSS, HTML, DOM, JavaScript, network traffic and cookies. You should just use this tag in case the question is directly related to Firebug itself and not a website you are debugging with Firebug.

Firebug was a Firefox extension that allowed the debugging, editing, and monitoring of any website's , , , and . It also had a JavaScript console for logging errors and executing JavaScript as well as a network monitor, which measured the amount of time in milliseconds it took to execute scripts and load images on the page. And it included a way to check and edit the cookies a website sets. Furthermore it had many extensions, which enhanced its functionality.

It became a must have aid tool for developers and testers around the world, but has now been discontinued by its developers.

Firebug is free and open source, licensed under the BSD license.

Relation to Firebug Lite

While Firebug was a Firefox extension, there is also a JavaScript bookmarklet called Firebug Lite, which works in all current browsers. It is also available as Chrome plugin. More info about Firebug Lite is available at the 'firebug-lite' tag page.

When to ask a Firebug question

The 'firebug' tag should just be used if your question is directly related to Firebug itself. You should not use it if your question is about some issue within your page and you use Firebug to debug it.

Before you're asking a question related to the usage of Firebug you should read its FAQ and documentation. If you experience a bug within Firebug, you should follow the steps described at the first aid page.

Useful links

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Firefox makes bogus call when a video tag is present

I have a weird problem with firefox only. To put it simply, I have an html (jsp) page with a
Michel
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How do I check if any Javascript event has been fired, anywhere?

I came across this question: How to find out which JavaScript events fired? But, that method of using Firebug will help me only if I log the events of a particular element right? Here's my situation: I want to analyze a webpage. It displays a list…
Programming Noob
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Error when making a Path sprite in ExtJS

Here's the code I'm working with. This simple function was made just to test that I was doing it correctly. Evidently, I'm not. For a reason that escapes me, unless I comment out this first function I always get the same error. // Build an arrow…
dtauxe
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cross-browser server side web app logging library

To send debug messages from our web application to the browser, we have Firebug+FirePHP for Firefox, as well as Chrome Logger for Chrome/Chromium. FirePHP for Chrome does not work with the latest Chromium/Chrome versions and does not seem to get…
cweiske
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Getting the full url for an image in webpage

I would like to get the full url of an image in a web page. The image is used as a background image. I was using Firebug's inspect feature. In the CSS view, it shows url(/images/myimage.gif) for the background-image element. Is there a way to…
Tony_Henrich
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making many ajax requests instead of one request

I write up a code to delete my articles within a table from the database.everthing is working fine but when i see the requests from firebug NET tab it shows me 11 requests instead of one .is there any wrong of my code ? I have attached my firebug…
Mr PHP
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Trying to find DOM elements matched by a CSS selector using firebug

Is it possible to enter a CSS selector into firebug and for it to highlight the corresponding element(s)? Thanks
More Than Five
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Why does my ajax request disappear immediately from firebug console?

Something is going wrong with my jquery ajax-ing. When in a similar situation before I have been able to open the site in firebug and watch the ajax request in the in the console, seeing exactly what was sent and received. In my current project for…
George Mauer
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Force browser to wait for a long running server script to finish from client side

We have a website which generates a csv file of a group's order history. The script is slow and for groups that have placed a lot of orders, the request isn't completed - i.e. after around 10 mins, the status of the request shows up as (Aborted) in…
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Firebug showing reponse too quickly because page is redirecting

I'm new with Firebug and I'm trying to debug some Ajax. When I click the submit button on a form there is an Ajax response from the server which appears in the Firebug console but it disappears in a split second. In the HTML source code I set the…
Celeritas
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FireBug debugger does not synchronize with the actual javascript code

Im having a issue in using firebug to debug javascript code. It doesn't sync with my actual javascript. It comes to the debug mode but doesn't show the exact line where i added the debugger. instead it goes to some other lines in the code.I tried…
Dilantha
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Save Firepath ( Firebug plugin ) result

i m using Firepath, a firebug extension for Firefox browser. How to show/save the result, example: want to grab all link in pages. there will be list of links in firepath window. Thank you
Andy
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Visual realtime CSS specificity calculator?

I have seen some online css specificity calculators but you have to upload the css files and do some manual work for it to do its work. Is there a visual one like maybe a Firebug extension where when you click or hover over an element, it calculates…
Tony_Henrich
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How to determine time to first byte?

I have been reading a lot about performance lately and there are tools which can assist you in increasing speed of a web page. But I could not find any tool that can tell me what is time to first byte for my web pages. Any hint?
Kumar
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How to tell Firebug to skip debugging jquery.js

I've set a breakpoint in my javascript code and started to debug. At certain points, the debugger jumps into the linked jquery.min.js file and just stops. Is there any way to tell Firebug to skip certain files and stay in my code only?
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