jquery 判断标签内元素内容为空时，隐藏该模块

<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<title>判断元素为空时隐藏</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>


<script>
    ....
</script>


<style>
    .box{
        width: 50px;
        height: 50px;
        background: red;
    }
</style>
<body>


<div class="box">
    <h1>111</h1>
</div>




<div class="box">
    <h1>222</h1>
</div>




<div class="box">
    <h1>333</h1>
</div>




<div class="box">
    <h1></h1>
</div>



</body>
</html>

判断如果h1内容为空时，隐藏该box~~试了一下，都没实现

jquery

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2 个回答

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