Specifically, Web devs will be able to use Firefox's JavaScript debugger, DOM inspector, and CSS editor with Firefox, Chrome, and Safari.

Building Chrome from source is still the “best way to fully debug web pages,” according to Google. Chrome 73 for iOS is available now via the App Store, with the full release notes below: ...

Microsoft VS Code 1.42 is out: New debug tools for TypeScript, JavaScript, Chrome Microsoft delivers new improvements and fixes for its popular cross-platform code editor, Visual Studio Code.

It also supports debugging client-side JavaScript in Chrome, and it can debug Node.js both locally and remotely.

The Chrome editor supports syntax highlighting for PHP, Python, Java, CSS, HTML, and JavaScript. With the updated DevTools, developers can now live edit their pre-processed CSS files as well.

The Chrome editor supports syntax highlighting for PHP, Python, Java, CSS, HTML, and JavaScript. With the updated DevTools, developers can now live edit their pre-processed CSS files as well.