jQuery删除DOM节点常采用以下方法:
**1、empty():**删除匹配元素集合中所有的子节点,不包括自身;
示例如下:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="js/jquery-3.3.1.js"></script>
</head>
<body>
<p><span>I </span><b>Love You.</b></p>
<script>
$("p").empty();
</script>
</body>
</html>
**2、remove():**删除匹配元素;
示例如下:
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="js/jquery-3.3.1.js"></script>
</head>
<body>
<p><span>I </span><b>Love You.</b></p>
<script>
$("p").remove();
</script>
<div><span>I </span><span class="letters">Love You.</span></div>
<script>
$("span").remove(".letters");//删除class为letters的所有span标签
</script>
</body>
</html>