摘要：<!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> </head> <body> <script type="text/javascript"> functi
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<script type="text/javascript">
function changeDiv(x) {
x.style.background= "red";
x.style.borderRadius="100px";
}
</script>
<div style="width: 200px;height: 200px;border:1px solid red;background: blue;" onmouseover="changeDiv(this)">
</div>
</body>
</html>
内容不可纯英文，凑字数
批改老师：灭绝师太批改时间：2019-01-06 09:48:41
老师总结：作业已截图，怕耽误你课程进度，作业给你批了，希望以此为戒，作业好好写，练习全面点！
