<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/jquery-1.11.0.js" ></script> //jQuery必备
<script type="text/javascript" src="js/demo10.js" ></script> //根据自己的js包名更改
<style>
#box{
width: 50px;
height: 50px;
border: 1px solid black;
}
</style>
</head>
<body>
<button class="btn">按钮</button>
<div id="box">
</div>
<script>
/*
利用jquery对象编写一个插件color,让#box背景颜色发生改变,并且可以实现连缀
例如:
$.color($("#box"),"blue").html("变化")
$.color($("#box"),"yellow").html("变化")
$.color($("#box"),"black").html("变化")
*
*
*
* */
</script>
</body>
</html>