JS去除字符串两端空格的简单实例

//去左空格;function ltrim(s){ return s.replace(/(^s*)/g, “”);}//去右空格;function rtrim(s){return s.replace(/(s*$)/g, “”);}//去左右空格;function trim(s){return s.replace(/(^s*)|(s*$)/g, “”);}