encodeURI
- encodeURI是对整个URI进行转义,将URI中的非法字符转换为合法字符,所以对一些在URI中有特殊意义的字符不会进行转义
encodeUIComponent
- encodeUIComponent是对URI中的组成部分进行转义,所以一些特殊字符也会得到转义
escape
- escape和encodeURI的作用相同,不过在对于unicode编码为0xff之外的字符时会有区别,escape是直接在字符的Unicode编码之前加上%u,而encodeURI会先将字符转换为UTF-8的格式,再在每个字节前加上%
- 目前该方法已废弃
var set1 = ";,/?:@&=+$"; // 保留字符
var set2 = "-_.!~*'()"; // 不转义字符
var set3 = "#"; // 数字标志
var set4 = "ABC abc 123"; // 字母数字字符和空格
console.log(encodeURI(set1)); // ;,/?:@&=+$
console.log(encodeURI(set2)); // -_.!~*'()
console.log(encodeURI(set3)); // #
console.log(encodeURI(set4)); // ABC%20abc%20123 (the space gets encoded as %20)
console.log(encodeURIComponent(set1)); // %3B%2C%2F%3F%3A%40%26%3D%2B%24
console.log(encodeURIComponent(set2)); // -_.!~*'()
console.log(encodeURIComponent(set3)); // %23
console.log(encodeURIComponent(set4)); // ABC%20abc%20123 (the space gets encoded as %20)
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