代码求找错啊。。。慕课这编辑器不会报哪里错了，写错了就傻眼了。还不知道哪里错了，重写了好几次了
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<div style="width:400px;margin:0 auto">
<img src="http://img1.sycdn.imooc.com//53577ee900016c2102080260.jpg" id="myImage" /><br />
<input type="button" id="max" value="放大" />
<input type="button" id="min" value="缩小" />
</div>
<script>
window.onload = function(){
var maxBtn = document.getElementById("max");
maxBtn.onclick = function(){//添加放大点击事件
maxFun();//放大函数
}
var img = document.getElementById("myImage");
var maxWidth = img.width*2;//放大宽度的极限值
var maxHeight = img.height*2;//放大的高度极限值
//定义放大函数
function maxFun(){
var endWidth =img.width*1.3;
var endHeight =img.height*1.3;
var maxTimer = setInterval(function(){
//判断图片宽度或者高度，数值不能超过1.5倍
if(img.width<maxWidth){
if(img.width<endWidth){
img.width = img.width*1.05;
img.height = img.height*1.05;
}else{
alert("已经放大到最大值了");
//终止定时器
clearInterval(maxTimer);
}
}else{
clearInterval(maxTimer);
}
},10);
}
</script>
</body>
</html>
