摘要：<!DOCTYPE html><html><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0&qu
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script type="text/javascript"src="js/jq_3.3.1_mi.js"></script>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
$("div").hide()
$("button").click(function(){
$("div").show()
})
})
</script>
<div style="width: 100px;height: 100px;background: pink;"></div>
<button>点击</button>
</body>
</html>
批改老师：灭绝师太批改时间：2019-02-19 15:18:16
老师总结：你这作业完成的有点跳跃啊,希望看完课程有所收获!
