js去掉空格

去掉输入框中的空格

jquery 

$.trim(str)

js

 function Trim(str,is_global)

        {

            var result;

            result = str.replace(/(^\s+)|(\s+$)/g,"");

            if(is_global.toLowerCase()=="g")

            {

                result = result.replace(/\s/g,"");

             }

            return result;

}