摘要：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>JQuery事件函数</title> <script type="text/javascript" src=&quo
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JQuery事件函数</title>
<script type="text/javascript" src="jquery-3.3.1.min.js"></script>
<style type="text/css">
div{width: 100px;height: 100px;background: #ccc;
text-align: center;line-height: 100px;margin-top: 20px;}
</style>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
$('input').focus(function(){
$('input').css('background','red')
});
$('div').mousedown(function(){
$('div').text('真乖')
});
$('div').mouseup(function(){
$('div').css('background','blue')
});
});
</script>
<input type="text" name="">
<div>按下并松开</div>
</body>
</html>事件函数真好玩，期待后面的课程案例
