摘要：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xml
<!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" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>js小案例By Johnson</title>
<style type="text/css" media="screen">
div{margin:200px auto;width:200px;height:100px;background-color:#009688;border-radius:2px;color:#FFF;text-align:center;line-height:100px;}
</style>
<script type="text/javascript" charset="utf-8" >
function bc(y){
y.style.backgroundColor="#FF5722";
y.style.width="1000px";
y.style.transition="5s";
y.style.borderRadius="10px";
}
function lv(y){
y.style.width='200px';
y.style.height='100px';
y.style.backgroundColor='#009688';
y.style.borderRadius='2px';
}
</script>
</head>
<body>
<div onmouseover="bc(this)" onmouseleave="lv(this)">
<h1>变长，变长....</h1>
</div>
</body>
</html>
