源代码：
<!DOCTYPE html>
<html>
<head>
</script>
</head>
<body class="jchartfx_body">
<div>
<input type="radio" disabled id="html" name="fav_language" value="HTML">
<label for="html">HTML</label><br>
<input type="radio" id="css" name="fav_language" value="CSS">
<label for="css">CSS</label><br>
<button class="btn-primary">Click Me</button>
<button class="btn btn-block btn-primary" disabled>Click Me 2</button>
</div>
<script language="javascript">
$(document).ready(function ($) {
var temp = $("button");
var filter = temp.filter(".btn.btn-block.btn-primary");
var find = temp.find(".btn.btn-block.btn-primary");
debugger;
});
</script>
</div>
</div>
</body>
</html>
filter:
find：找不到数据：
更多Jerry的原创文章，尽在：“汪子熙”:
