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Firefox 9 released, includes JavaScript performance improvements of 20-30%

Firefox 9 is out, includes improvements to JavaScript.

@anthony256
Published Wed, Dec 21 2011 1:19 AM CST   |   Updated Mon, Oct 19 2020 8:14 PM CDT

The official release of Firefox 9 has flapped its wings out and onto the Internet. The biggest change versus Firefox 8 is the addition of type interference to the JavaScript engine, which singlehandedly improves JS execution speeds by 20- to 30-percent.

Firefox 9 released, includes JavaScript performance improvements of 20-30% | TweakTown.com

It would make sense that if you're an Internet Explorer or Chrome user because of their better JavaScript performance, it might pay to check Firefox 9 out because of this improvement. JavaScript-heavy sites such as Gmail, Facebook and Google+ should see some very nice improvements.

As usual, bug and stability fixes make their way into the new and improved Firefox 9, and the Mac-based version of Firefox 9 now includes support for "two finger swipe navigation" and deeper them integration. Finally, there's additional HTML5 and CSS support, and new hooks that allow developers to query your Do Not Track status via JavaScript.

Download it for Windows, Mac or Linux.

NEWS SOURCE:extremetech.com

Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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