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escape()

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。

概览

废弃的 escape() 方法生成新的由十六进制转义序列替换的字符串. 使用 encodeURIencodeURIComponent 代替.

语法

escape(str)

参数

str
待编码的字符串.

描述

escape 函数是全局对象的属性. 特色字符如: @*_+-./ 被排除在外.

字符的16进制格式值,当该值小于等于0xFF时,用一个2位转移序列: %xx 表示. 大于的话则使用4位序列:%uxxxx 表示.

示例

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

// special characters
escape("@*_+-./");    // "@*_+-./"

规范

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

浏览器兼容性

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)

其他链接

文档标签和贡献者

 此页面的贡献者: 1renhaO, yenshen
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