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unescape()

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已废弃
该特性已经从 Web 标准中删除,虽然一些浏览器目前仍然支持它,但也许会在未来的某个时间停止支持,请尽量不要使用该特性。

已废弃的 unescape() 方法计算生成一个新的字符串,其中的十六进制转义序列将被其表示的字符替换。上述的转义序列就像escape里介绍的一样。因为 unescape 已经废弃,建议使用 decodeURI()或者decodeURIComponent 替代本方法。

Note: Do not use unescape to decode URIs, use decodeURI instead.

Syntax

unescape(str)

Parameters

str
A string to be decoded.

Description

The unescape function is a property of the global object.

Examples

unescape("abc123");     // "abc123"
unescape("%E4%F6%FC");  // "äöü"
unescape("%u0107");     // "ć"

Specifications

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
unescape
Standard Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers
ECMAScript 5.1 (ECMA-262)
unescape
Standard Defined in the (informative) Compatibility Annex B
ECMAScript 1st Edition (ECMA-262)
unescape
Standard Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

See also

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