But, whichever browser you use, be aware that running JavaScript can be the point of entry for intrusive and infectious malware. Use caution before deciding to allow it on any site that you visit.

With JavaScript it depends on which features the browser supports so you would spend more time making sure the project looks good in all the browsers than actually developing the project," he said.

"JavaScript malware is still cutting-edge, and nobody really knows what you can do with it," he said. "Liken it to the early days of an e-mail virus--that's where we're at now.

How easy is it to hack JavaScript in a browser? Breaking down the possibilities of breaking in.

However, any software that allows the execution of JavaScript code is potentially vulnerable, including PDF readers. It’s not clear if this attack will lead to a resurgence of browser exploits.

Though created as a replacement for JavaScript in the browser, Google's Dart will now be compiled rather than run in its own VM ...

As an example of how both the new JavaScript engine and GPU offloading speeded IE9, LePage showed a demonstration, from the Microsoft test site of some JavaScript-based browser icons that spun around.

Earlier this month, security researcher and former Google employee Felix Krause published a report detailing how Instagram, Facebook, and other apps can use the in-app browser to track people’s online ...