本文实例讲述了JS模仿腾讯图片站的图片翻页按钮效果。分享给大家供大家参考，具体如下：
运行效果截图如下：
具体代码如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>模仿腾讯图片翻页</title>
<style type="text/css">
*{
margin:none;
padding:none;
}
body{
background:#000000;
}
#tip{
position:absolute;
width:564px;
height:362px;
top:-362px;
background:url(../img/TencentImg/tipLayer.png);
}
#left{
position:absolute;
width:101px;
height:95px;
background:url(../img/TencentImg/left.png);
border:1px solid #f2f2f2;
display:none;
cursor:hand;
}
#right{
position:absolute;
width:101px;
height:95px;
background:url(../img/TencentImg/right.png);
border:1px solid #f2f2f2;
display:none;
cursor:hand;
}
#mouseXPosition{
width:30px;
height:20px;
color:#ffffff;
display:inline;
}
#mouseYPosition{
width:30px;
height:20px;
color:#ffffff;
display:inline;
}
#divTop{
width:30px;
height:20px;
color:#ffffff;
display:inline;
}
</style>
<script type="text/javascript">
function init(){
var ml = document.body.clientWidth/2 - 40;
document.getElementById("left").style.pixelTop = 300;
document.getElementById("right").style.pixelTop = 300;
document.getElementById("left").style.pixelLeft = ml - 101*4;
document.getElementById("right").style.pixelLeft = ml + 101*4;
var tip = document.getElementById("tip");
var initH = (document.body.clientWidth - tip.offsetWidth)/2;
document.getElementById("tip").style.left = initH;
document.getElementById("tip").style.pixelTop = -362;
}
function mousePosition(ev){
if(ev.pageX || ev.pageY){
return {x:ev.pageX, y:ev.pageY};
}
return {
x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,
y:ev.clientY + document.body.scrollTop - document.body.clientTop
};
}
document.onmousemove = mouseMove;
function mouseMove(e){
e = e || window.event;
var mousePos = mousePosition(e);
var mid = document.body.clientWidth/2;
document.getElementById('mouseXPosition').innerHTML = mousePos.x;
document.getElementById('mouseYPosition').innerHTML = mousePos.y;
if(mousePos.x < mid){
document.getElementById("left").style.display = "block";
document.getElementById("right").style.display = "none";
}else if(mousePos.x > mid){
document.getElementById("right").style.display = "block";
document.getElementById("left").style.display = "none";
}
}
function show(){
if(document.getElementById("tip").style.pixelTop < 80){
document.getElementById("tip").style.pixelTop += 20;
document.getElementById("divTop").innerHTML = document.getElementById("tip").style.pixelTop;
setTimeout("show()",10)
}
}
function hide(){
if(document.getElementById("tip").style.pixelTop > -362){
document.getElementById("tip").style.pixelTop -= 20;
document.getElementById("divTop").innerHTML = document.getElementById("tip").style.pixelTop;
setTimeout("hide()",10)
}
}
</script>
</head>
<body onload="init()">
<div id = "left" onclick="hide()"></div>
<div id = "right" onclick="show()"></div>
<span style = "color:#ffffff;">鼠标 X 轴:</span>
<div id="mouseXPosition">0</div><br/>
<span style = "color:#ffffff">鼠标 Y 轴:</span>
<div id="mouseYPosition">0</div><br/>
<span style = "color:#ffffff;font-size:13px;">图片上边距:</span>
<div id = "divTop">0</div>
<div id = "tip">0</div>
</body>
</html>
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