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.

Debug Chrome, Safari apps from ... DOM inspector, and CSS editor with Firefox, Chrome, and Safari. ... Developer convicted for “kill switch” code activated upon his termination. 2.

Firefox 23 augments its Web Developer Toolbar with a new options panel for customizing the in-browser code debugger. Users can specify their own keyboard shortcuts, external code validation tools ...