var gift=['iphone','ipad','三星note7','三星平板电脑','佳能相机','谢谢参与'], play=document.getElementById('play'), stop=document.getElementById('stop') title=document.getElementById('title'), timer=null, flag=0; window.onload=function(){ //封装一个类 var eventUntil={ addEvent:function(element,type,hander){ if(element.addEventListener){ element.addEventListener(type,hander); }else if(element.attachEvent){ element.attachEvent('on'+type,hander); }else{ element['on'+type]=hander; } }, } eventUntil.addEvent(play,'click',playFun())//鼠标事件 } //getrandom函数 function getrandom(){ var myrandom=Math.floor(Math.random()*gift.length); } //开始函数 function playFun(){ clearInterval(timer); timer=setInterval(function(){ var random=Math.floor(Math.random()*gift.length)},50); title.innerHTML=gift[random]; };
HTML和老师基本一样,我用了input标签,
你最后少了一个 } 号