请问一下为什么我代码跟老师的一模一样,但是却没有效果呢
<!DOCTYPE html>
<html>
<head>
<title>3D效果</title>
<style>
#my3Dspace{
-webkit-perspective: 800;
-webkit-perspective-origin: 50% 50%;
ovetflow:hidden;
}
#pagegrounp{
width:400px;
height:400px;
margin: 0 auto;
-webkit-transform-style: preserve-3d;
position:relative;
}
.page{
width:360px;
height:360px;
padding:20px;
background-color: black;
color:white;
font-weight: bold;
font-size: 360px;
line-height: 360px;
text-align: center;
position:absolute;
}
#page1{
-webkit-transform-origin: bottom;
-webkit-transition: -webkit-transform 1s linear;
}
#page2,#page3,#page4,#page5,#page6{
-webkit-transform-origin: bottom;
-webkit-transition: -webkit-transform 1s linear;
-webkit-transform: rotateX(90deg);
}
#op{
text-align:center;
margin:40px auto;
}
</style>
<script type="text/javascript">
var curIndex=1;
function next()
{
if(curIndex==6)return;
var curpage=document.getElementById("page"+curIndex);
curpage.style.webkitTransform="rotateX(-90deg)";
curIndex++;
var nextpage=document.getElementById("page"+curIndex);
nextpage.style.webkitTransform="rotate(0deg)";
}
function prec(){
if(curIndex==1)return;
var curpage=document.getElementById("page"+curIndex);
curpage.style.webkitTransform="rotateX(90deg)";
curIndex--;
var precpage=document.getElementById("page"+curIndex);
precpage.style.webkitTransform="rotateX(0deg)";
}
</script>
</head>
<body>
<div id="my3Dspace">
<div id="pagegrounp">
<div class="page",id="page1">1</div>
<div class="page",id="page2">2</div>
<div class="page",id="page3">3</div>
<div class="page",id="page4">4</div>
<div class="page",id="page5">5</div>
<div class="page",id="page6">6</div>
</div>
</div>
<div id="op">
<a href="javascript:next()">next</a> <a href="javascript:prec()">previous</a>
</div>
</body>
</html>