Firefox 18 Beta使用新JavaScript引擎

Mozilla週一宣佈釋出Firefox 18 beta，新版最大的變化是大幅改進了JavaScript效能。Firefox 18 Beta採用了新版JavaScript. JIT編譯器IonMonkey，Mozilla稱，無論是展示Web應用、遊戲還是其它使用大量JavaScript的網頁，都能觀察到顯著的效能增強。在 Kraken和Google V8基準測試中，Firefox 18的成績比Firefox 17提高了大約26%。

What’s New

NEW
Support for Retina Display on OS X 10.7 and up
NEW
Preliminary support for WebRTC
CHANGED
Experience better image quality with our new HTML scaling algorithm
CHANGED
Performance improvements around tab switching
DEVELOPER
CSS3 Flexbox implemented
DEVELOPER
Support for new DOM property window.devicePixelRatio
DEVELOPER
Support for @supports added
DEVELOPER
Improvement in startup time through smart handling of signed extension certificates
HTML5
Support for W3C touch events impemented, taking the place of MozTouch events
FIXED
Disable insecure content loading on HTTPS pages (62178)
FIXED
Improved responsiveness for users on proxies (769764)

來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/301743/viewspace-750079/，如需轉載，請註明出處，否則將追究法律責任。