• JavaScript实现限时抢购实例


    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>限时抢购倒计时</title>
    <style type="text/css">
        body{
        text-align: center;
        }
        #first{
        color:#ff7300;
        font-size:30px;
        margin-left:10px;
        }
    </style>
    <script type="text/javascript">
    window.onload=function(){
    setInterval(changTime, 500);
    function changTime(){
    document.getElementById("time").innerHTML=getTime();
    changeStyle();
    }
    function gR()
    {
        return Math.floor(Math.random()*16);
    }
    function changeStyle(){
    var ele=document.getElementById("time");
    var size=Math.random()*40;
    ele.style.fontSize=((size+10)+"px");
    var mc=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F");
    ele.style.color="#"+mc[gR()]+mc[gR()]+mc[gR()]+mc[gR()]+mc[gR()]+mc[gR()];
     
    }
    function getTime(){
        var now=new Date().getTime();
        var end=new Date("2015/2/13").getTime();
        var temp=end-now;
        if(temp<=0)
        {
            document.getElementById("first").innerHTML="国庆已结束!!!!!";
            return "";
        }else
        {
        var temp2=new Date();
        temp2.setTime(temp);
        var sec=Math.floor((temp)/1000%60);
        var min=Math.floor(temp/(60*1000)%60);
        var hou=Math.floor(temp/(60*60*1000)%24);
        var day=Math.floor(temp/(24*60*60*1000));
     
        return day+"天  "+hou+"小时  "+min+"分钟  "+sec+"秒";
        }
    }
    };
    </script>
    </head>
    <body>
        <br/><br/><br/><br/><br/>
        <span id="first">距离限时抢购还有&nbsp;</span>
        <span id="time"></span>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/telwanggs/p/5306102.html
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