Firefox, Chrome strengthen in-browser debugging

Mozilla Firefox gives developers more customization control while Google Chrome introduces an in-browser code editor

By , IDG News Service |  Software

Mozilla and Google have updated their browsers with features to help developers more effectively write and debug their websites.

With Tuesday's release of Firefox 23, Mozilla has introduced a number of features to its Web Developer Toolbar. And Google has announced features to its Chrome Developer Tools as well.

Both sets of technologies recognize the growing use of the browser for richer interactions between users and services, over and above the viewing of static Web pages.

"We still use the browser language, although most of what people do isn't browsing. You have email, calendaring, social networking -- it really is a different kind of activity," said Johnathan Nightingale, vice president of Firefox engineering at Mozilla.

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, syntax highlighting colors and other options.

The open source browser also comes with Network Monitor, which displays all the actions a browser takes when downloading a page, including load times and errors in processing the source code. Formerly, the browser's Web console displayed this information, but in a less visually intuitive way.

Also of potential interest to Web developers: Firefox 23 now can support a range of values for the HTML5 form control. It provides content blocking to protect against man-in-the-middle attacks. It also eliminates support for the much reviled blink effect and blink element.

Google has been paying attention to Web developers as well, updating its Chrome Developer Tools (DevTools), a set of Web authoring and debugging tools built into the Google Chrome browser.

Perhaps the most notable update is the introduction of Workspaces, a built-in source code editor that could eliminate the small but still frequent process of flipping between an external code editor and a browser to check a newly edited Web page.

With Workspaces, the developer can edit a Web page directly from within the browser, using the DevTools console. If the changes are successful, they can then be written back to disk, eliminating the need to open an external editor or IDE (integrated developer environment) altogether.

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