本文實(shí)例為大家分享了JavaScript實(shí)現(xiàn)限時(shí)搶購，供大家參考，具體代碼如下
運(yùn)行效果圖：
具體代碼如下：
<!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=gb2312"><title>限時(shí)搶購倒計(jì)時(shí)</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("2015/12/20").getTime(); var temp=end-now; if(temp<=0) { document.getElementById("first").innerHTML="搶購活動已結(jié)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+"小時(shí) "+min+"分鐘 "+sec+"秒"; }}};</script></head><body> <br/><br/><br/><br/><br/> <span id="first">距離限時(shí)搶購還有 </span> <span id="time"></span></body></html>希望本文實(shí)例希望對大家學(xué)習(xí)javascript程序設(shè)計(jì)有所幫助。
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