JS常用方法总结

function trimStr(str){
return str.replace(/(^\s*)|(\s*$)/g,"");
}

/**
* 金额按千位逗号分割
* @character_set UTF-8
* @author Jerry.li([e-mail])
* @version 1.2014.08.24.2143
*  Example
*  <code>
*      alert($.formatMoney(1234.345, 2)); //=>1,234.35
*      alert($.formatMoney(-1234.345, 2)); //=>-1,234.35
*      alert($.unformatMoney(1,234.345)); //=>1234.35
*      alert($.unformatMoney(-1,234.345)); //=>-1234.35
*  </code>
*/ 
;(function($) 
{ 
    $.extend({ 
        /**
         * 数字千分位格式化
         * @public
         * @param mixed mVal 数值
         * @param int iAccuracy 小数位精度(默认为2)
         * @return string
         */ 
        formatMoney:function(mVal, iAccuracy){ 
            var fTmp = 0.00;//临时变量 
            var iFra = 0;//小数部分 
            var iInt = 0;//整数部分 
            var aBuf = new Array(); //输出缓存 
            var bPositive = true; //保存正负值标记(true:正数) 
            /**
             * 输出定长字符串，不够补0
             * <li>闭包函数</li>
             * @param int iVal 值
             * @param int iLen 输出的长度
             */ 
            function funZero(iVal, iLen){ 
                var sTmp = iVal.toString(); 
                var sBuf = new Array(); 
                for(var i=0,iLoop=iLen-sTmp.length; i<iLoop; i++) 
                    sBuf.push('0'); 
                sBuf.push(sTmp); 
                return sBuf.join(''); 
            }; 
 
            if (typeof(iAccuracy) === 'undefined') 
                iAccuracy = 2; 
            bPositive = (mVal >= 0);//取出正负号 
            fTmp = (isNaN(fTmp = parseFloat(mVal))) ? 0 : Math.abs(fTmp);//强制转换为绝对值数浮点 
            //所有内容用正数规则处理 
            iInt = parseInt(fTmp); //分离整数部分 
            iFra = parseInt((fTmp - iInt) * Math.pow(10,iAccuracy) + 0.5); //分离小数部分(四舍五入) 
 
            do{ 
                aBuf.unshift(funZero(iInt % 1000, 3)); 
            }while((iInt = parseInt(iInt/1000))); 
            aBuf[0] = parseInt(aBuf[0]).toString();//最高段区去掉前导0 
            return ((bPositive)?'':'-') + aBuf.join(',') +'.'+ ((0 === iFra)?'00':funZero(iFra, iAccuracy)); 
        }, 
        /**
         * 将千分位格式的数字字符串转换为浮点数
         * @public
         * @param string sVal 数值字符串
         * @return float
         */ 
        unformatMoney:function(sVal){ 
            var fTmp = parseFloat(sVal.replace(/,/g, '')); 
            return (isNaN(fTmp) ? 0 : fTmp); 
        }, 
    }); 
})(jQuery); 



var oDate1 = new Date(startdate.getValue().replace(/-/,"/"));
var oDate2 = new Date(enddate.getValue().replace(/-/,"/"));
if(oDate1.getTime() >= oDate2.getTime()){
nui.alert("开始时间必须小于结束时间");
return;
}