<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style type="text/css">
*{ margin:0; padding:0}
.title{ width:200px; height:50px; color:#F90307; font-size:30px; margin:0 auto; padding-top:10px}
.btns{ width:150px; height:50px; margin:0 auto}
.btns span{width:40px; height:25px; line-height:25px; background:blue; border:1px #04052E solid; border-radius:5px; color:#fff; text-align:center; font-size:14px; display:block; float:left; cursor:pointer;margin-right:10px}
</style>
<script type="text/javascript">
var data = ['谢谢参与','苹果笔记本','佳能相机','惠普打印机','智能手机','50元充值卡','1000元购物券','再抽一次'];
var timer = null;
var flag = 0;
window.onload = function(){
var play = document.getElementById('play');
var stop = document.getElementById('stop');
play.onclick = playFun; //开始抽奖
stop.onclick = stopFun; //停止抽奖
document.onkeyup = function(event){ //键盘事件
var event = event || window.event;
if(event.keyCode == 13){
playFun();
flag = 1;
}else{
stopFun();
flag = 0;
}
}
}
function playFun(){
var that = this; //函数从哪调用的，this就是谁
var title = document.getElementById('title');
var play = document.getElementById('play');
clearInterval(timer);
timer = setInterval(function(){
var random = Math.floor(Math.random()*data.length);
title.innerHTML = data[random];
},50);
play.style.background = '#999';
}
function stopFun(){
clearInterval(timer);
var play = document.getElementById('play');
play.style.background = 'blue';
}
</script>
</head>
<body>
<div id="title" class="title">开始抽奖了！</div>
<div class="btns">
<span id="play">开始</span>
<span id="stop">停止</span>
</div>
</body>
</html>
添加回答
举报
0/150
提交
取消