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Chrome 66 Beta发布：CSS类型对象模型变化

发布时间:2018-03-22 15:07:07来源:红联作者:baihuo
除非另有说明，否则 Chrome 66 Beta 发布的更改适用于 Android，Chrome OS，Linux，macOS 和Windows 。在 ChromeStatus 上查看 Chrome 66 中功能的完整列表。

更新内容：

的ImageBitmap渲染上下文

CSS类型对象模型的更改

异步剪贴板API

AudioWorklet

有几个 JavaScript 更改：

The Function.prototype.toString() function now returns exactly what is written in the source code. This includes whitespace and other text that may have been used. For example, if there is a comment between the function keyword and the function name, the comment is now returned in addition to the keyword and name.

JSON is now a syntactic subset of ECMAScript, which allows line separator (U+2028) and paragraph separator (U+2029) symbols in string literals.

The catch clause of a try statement can now be used without a parameter.

String.prototype.trimStart() and String.prototype.trimLeft() are now available as the standards-based way of trimming whitespace from strings, in addition to String.prototype.trim() which was already implemented. The non-standard trimLeft() and trimRight() remain as aliases of the new methods for backward compatibility.

The Array.prototype.values() method returns a new array iterator object that contains the values for each index in the array.

软件详情：https://blog.chromium.org/2018/03/chrome-66-beta-css-typed-object-model.html

来自:开源中国社区
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