zftest为要去除空格的字符串:
去除所有空格: zftest= zftest.replace(/\s+/g,""); 去除两头空格: zftest= zftest.replace(/^\s+|\s+$/g,"");
去除左空格:
zftest=zftest.replace( /^\s*/, '');
去除右空格:
zftest=zftest.replace(/(\s*$)/g, "");