Chrome Beta 24发布

On 2012年11月9日, in soft, by netoearth

Chrome 23 刚发布,谷歌马上又发布了Windows, MAC 和 Linux三大平台的 Chrome Beta 24 。据Chrome官方博客称,在Octane的JavaScript基准测试中,Chrome Beta 24比Chrome 15快了26%,速度快是Chrome Beta 24的核心。同时Chrome Beta 24也带来了新的API,MathML等更多的新功能。此外Chrome 23已经开始支持“Do Not Track”协议。

On the consumer side, Google wants to emphasize speed increases in Chrome 24. The company’s own Octane JavaScript test shows that this is the faster Chrome release yet. In fact, Google is touting that Chrome is 26 percent faster in terms of Octane than it was last year:

octane m15to24 520x297 Google releases Chrome 24 beta, says browser has become 26% faster since last year

Google describes Octane as a benchmark “designed to measure performance of real-world applications on the modern web.” While there comes a point where JavaScript speed is so fast that it really doesn’t matter anymore, it’s still interesting to see the improvements that Google is managing to pull off.

On the developer side, Google wants to emphasize Datalist support in date and time and MathMLDatalist allows you to specify a list of suggested dates and times for input elements while MathML lets you write mathematical content in a consistent way.

Screen Shot 2012 11 08 at 10.15.27 AM 520x112 Google releases Chrome 24 beta, says browser has become 26% faster since last year

Screen Shot 2012 11 08 at 10.17.31 AM 520x131 Google releases Chrome 24 beta, says browser has become 26% faster since last year

Google also listed the following changes:

  • CSS custom filters have landed behind a flag. They enable sweet cinematic effects like page flipping with just CSS and HTML. You can turn them on with chrome://flags.
  • Chromium now parses the autocomplete attribute according to spec. Use it to specify which type of saved user data the browser should use to prefill input elements. Examples are name and street-address.
  • A few brand new features landed with a prefix: -webkit-hyphens gives you more control over hyphenation at line breaks, and -webkit-clip-path enables you to clip DOM content to an SVG shap. APIs un-prefixed include: IndexedDBIntlpostMessagerequestAnimationFrame,

While the beta release supports these APIs in both their prefixed and un-prefixed forms, they will switch to the un-prefixed versions once Chrome 24 is released, at which point the prefixed versions will be deprecated. Speaking of deprecation, Google has removed some experiments from Chrome: The Blob constructor should now be used instead of the WebKitBlobBuilder API, Blob.slice() succeeds the Blob.webkitSlice() method, and Web Intents have been disabled.

The Chrome 24 beta release today comes just two days after Google released Chrome 23. That new version was massive, but already it looks like the company has big plans for the next version, which should be out before the end of the year.

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