摘要：<!DOCTYPE html><html><head><meta charset="utf-8"> <title>jQuery事件切换</title> <script type="text/javascript"src="jquery-3.3.1.min.js"
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>jQuery事件切换</title>
<script type="text/javascript"src="jquery-3.3.1.min.js"></script>
<style type="text/css">
div{width:100px;height:100px; background: #ccc;margin:20px auto;}
#bout{width:50px;height:30px;background:yellow;margin:50px auto;}
</style>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
$('div').hover(
function(){
$(this).css('background','red')
},
function(){
$(this).css('background','green')
}
)
$('button').click(function(){
$('div').toggle().css('background','red')
})
})
</script>
<div style="display:none">这是导航内容
<button style="align:center">点击消失</button>
</div>
<button id="bout">导航</button>
</body>
</html>
批改老师：查无此人批改时间：2019-04-03 13:15:59
老师总结：完成的不错。jq语句，每行结束最后增加;号。继续加油
