javascript编写的购物网站的商品图片放大程序
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>Insert title here</title>
<script style="text/javascript">
//商城 购物网,图片放大程序
window.onload = function(){
var sImg = document.getElementById("sImg");
var bImg = document.getElementById("bImg");
var div = document.getElementById("div");
sImg.onmousemove = function(){
var xMove = event.x - 8;
var yMove = event.y - 8;
bImg.style.marginLeft = -xMove * 2;
bImg.style.marginTop = -yMove * 2;
}
sImg.onmouseenter = function(){
div.style.display = "block";
}
sImg.onmouseleave = function(){
div.style.display = "none"; //为什么不直接些none?
}
}
</script>
</head>
<body>
<img src="../img/beau.jpg" style="width:50px; height:70px" id="sImg">
<!--为什么要放到div中?-->
<div style="border:1px solid; width:100px; height:140px; position:absolute; left:58px; top:78px; overflow:hidden;display:none" id="div">
<img src="../img/beau.jpg" id="bImg">
</div>
</body>
</html>
