![]() The browser wars are (mostly) over and we're now focused on making web development easier on . With the connection open, you can open Firefox's WebIDE, select "Chrome Desktop", and you now have access to debug Chrome with Firefox's DevTools as such:Īwesome on both Mozilla and Google's part to allow this type of functionality. That command opens Chrome with port 9222 open for debugging connection. $ /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome -remote-debugging-port=9222 -no-first-run -no-default-browser-check -user-data-dir=$(mktemp -d -t 'chrome-remote_data_dir') Debugging eval scripts, script tags, and scripts that are added dynamically Watches Console Unsupported scenarios Debugging web workers Debugging Chrome extensions Any features that arent script debugging Getting Started Install the extension Open the folder containing the project you want to work on. In order to debug your scripts, select the Sources tab in Developer Tools (Chrome). Built-ins (both for core-js2 and core-js3, such as es.map, es.set. Assuming you have both Firefox and Chrome on your machine, you can kick off the process with the following shell command: Chrome, Firefox and other browsers have Developer Tools integrated. Outputs to console.log the polyfills and. new-window URL Open URL in a new window. Available in Firefox 55+ on Linux, and Firefox 56+ on Windows/Mac OS X. Valence is available as a standalone utility but also gets installed when you open Firefox's WebIDE, commonly used to debug Firefox OS apps. Runs Firefox in headless mode, which is very useful for purposes such as debugging and automated testing. A VS Code extension to debug web applications and extensions running in the Mozilla Firefox browser. Select Search tab at the lower part of the DevTools window and enter keywords specific to the text in the JavaScript code that youre trying to search. ![]() The debugger lets me put break points in the. Debug your JavaScript code running in Firefox from VS Code. Check Search in anonymous and content scripts under Sources section Now Navigate to your page as usual, right-click and open DevTools. Only recently I found out about Mozilla's Valence project Valence allows developers to use Firefox Developer Tools in projects other than Firefox. I am using the FireFox debugger to debug an app that contains both. The only time I use Chrome's development tools is when I have a Chrome-specific bug. ![]() ![]() I can't give a great reason for doing so but Firefox has seemed like a development "security blanket" since I was in college (over a decade ago!). I shared on Twitter last week that I do casual browsing in Google Chrome but do most of my development work in Firefox. ![]()
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