JS案例：网页加载时对图片进行缩小设置
来自CloudWiki
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>网页加载图片</title>
<script type="text/javascript">
function blow(){
var img1=document.getElementById("img1");
img1.width=img1.width-80;
}
function reduce(){
alert("迎下次光临本网页！");
}
</script>
</head>
<body onload="blow()">
<img id="img1" src="images/3.jpg"/>
</body>
</html>
