摘要:
(^\s+)|(\s+$)/g/ pattern /g是js正则字符串的语法g (全文查找出现的所有 pattern)i (忽略大小写)m (多行查找)String.prototype.trim = function(){ return this.replace(/^\s+|\s+$/g,"")}String.prototype.ltrim = function(){ return this.replace(/^\s+/g,"")}String.prototype.rtrim = function(){ return this.replace(/\s+$ 阅读全文