1、替换全部
- String.prototype.replaceAll = function(s1, s2) {
- return this.replace(new RegExp(s1, "gm"), s2)
- }
2、清除空格
- String.prototype.trim = function() {
- var reExtraSpace = /^\s*(.*?)\s+$/;
- return this.replace(reExtraSpace, "$1")
- }
来源: http://www.phpxs.com/code/1003797/