JavaScript性能测试：IE11/Chrome 28/FF22/Opera 15-快科技-科技改变生活

JavaScript性能测试：IE11/Chrome 28/FF22/Opera 15

萧萧
2013年07月26日 10:16
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IE11随Windows 8.1预览版一同到来，今天IE11登陆Windows 7，为该平台提供与Win8.1版IE11同样的性能完善、更快的页面加载速度、对更多新标准的支持、全新的F12开发者工具。

在保证兼容性、互操作性、安全性的基础上，IE11大大提升了JavaScript引擎Chakra的性能，还新增了对ECMAScript 6标准的支持，包括let、const、Map、Set、WeakMap、as __proto__ for。

微软提供了IE11与其它几款浏览器的JavaScript性能基准测试，测试选用的是权威的WebKit SunSpider测试软件，平台为Windows 7。根据测试结果，IE11比IE10快4%，Chrome 28、Firefox 22、Opera 15更是被远远抛在身后。

IE11开发者预览版官方下载页面：

http://windows.microsoft.com/zh-cn/internet-explorer/ie-11-worldwide-languages

JavaScript性能测试：IE11/Chrome 28/FF22/Opera 15

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#IE浏览器 #Chrome浏览器 #Firefox浏览器

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