Top "Firefox-developer-tools" questions

For questions relating to the built-in developer tools in Firefox (Web Console, Debugger, Inspector, Style Editor, and other features similar to Firebug).

Edit javascript code in Firefox

I know that editing Javascript code in Chrome Developer Tools is possible - but I have not found a similar …

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Can javascript in the dev tools console download/save files, or is this sandboxed?

I'm attempting to write a bookmarklet-like js snippet that can be run from the developer tools console that will provide …

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How to identify who initiated the http request in Firefox?

I am developing a new Firefox addon that intercept all Firefox's network traffic (http(s) requests with http-on-modify-request) With my …

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How to remove/disable Firefox Developer Tools?

How remove the "Firefox Developer Tools" from Firefox 28.0? Is there a way or script or option in about:config to …

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How to do a simple search in Firefox DevTools' Inspector tab?

I'm using the Firefox DevTools and I'm using the Inspector tab, in which it displays the HTML tree. When I …

firefox dom search firefox-developer-tools
Firefox - Disable 'debugger' keywords

How do I tell Firefox not to stop if it sees a debugger keyword? I need to avoid a continuous …

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How to programmatically replicate a request found in Chrome Developer Tools?

I'm looking at my balance on Venmo.com but they only show you 3 months at a time and I'd like …

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How can you disable the new JSON Viewer/Reader in Firefox Developer Edition?

Firefox Developer Edition 44 now has a built in JSON Viewer. It's a nice gesture, but I highly prefer the readability …

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How to force Firefox to open devtools on each tab?

Is there any way how to enable opening of devtools on all new tabs? I'd like to have devtools opened …

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How to identify insecure content in Chrome DevTools or Firefox?

My web page sometimes (rarely) shows "there are some insecure resources" warning icon (yellow lock) like in the screenshot below. …

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