<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/jquery.js"></script>
<script>
//扩展jquery插件库
jQuery.fn.extend({
//改变背景颜色
fn1:function(){
this.css('background-color','red');
},
//改变大小
fn2:function(){
this.css('font-size','30px');
}
});
</script>
<script>
$(function(){
$('#result').bind('click',function(){
//1.调用fn1方法
$('#result').fn1();
//2.调用fn2方法并且传参
$('#result').fn2('30px');
});
});
</script>
</head>
<body>
<div id="result">
aaaaaaaaaaaaaaaaa
</div>
</body>
</html>
