The recently released ECMAScript 262 5.1 fixes bugs in the previous major version 5.0, and is accompanied by Test 262, an online JavaScript compatibility test suite.

The BIG browser benchmark -- where the leading browsers are pitted against five of the toughest benchmark tests -- which browser will be triumphant?

We put 10 contenders through benchmarks to find out which are the fastest Android browsers. Click through to see the verdict!

Test 2: JavaScript & CSS—Tie: Firefox & Chrome! JavaScript continues to grow in importance as a browser benchmark, because it's the backbone of no-reload interfaces like Gmail, Facebook, and ...

Microsoft today launched BrowserSwarm, an open source tool to help Web developers automate testing of their JavaScript frameworks and libraries across devices and browsers. To take advantage, all ...

Opera 10 final is out, Chrome just turned one year old, and Firefox 3.5 has settled into stability. It's time once again to break out the timers and speed test today's web browsers. Like all our ...

On Apple's JetStream test of browser JavaScript performance, Safari 8 soared past Safari 7 and its three biggest browser rivals for a top score. Stephen Shankland/CNET ...

Microsoft: Playwright for Python language lets you test web apps in all major browsers Microsoft extends Playwright web-app testing tool from programming language JavaScript to Python.