如何实现左右点击减少和增加中间的值:
这是云链接:http://codepen.io/anon/pen/wo...
现在此感谢了!!!
<html lang="en-US">
<head>
<title>text</title>
</head>
<body>
<span class = "reduce"><</span>
<span class = "value">1</span>
<span class = "plus" >></span>
<span class = "reduce"><</span>
<span class = "value">1</span>
<span class = "plus">></span>
<script>
</script>
</body>
</html>
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你是以获取CLASS属性名来获取的节点,从而绑定事件的方式,那么问题来了,你每获取一次,都会生成一个数组,事件绑定给数组内的哪一个?
<span class = "reduce" id="prove"><</span>