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Delete DOM nodes using JS

php中世界最好的语言Original: 2018-04-20 10:25:262503browse

This time I will bring you the use of JS to delete DOM nodes, what are the precautions for deleting DOM nodes using JS, the following is a practical case, let's take a look.

1 Introduction

Deleting nodes is achieved by using the removeChild() method.

removeChild() method is used to delete a child node.

obj. removeChild(oldChild)oldChild: Indicates the node that needs to be deleted.

Second application

Delete nodes, this example will use removeChild()## of DOM object #Method to dynamically delete the selected text on the page.

Three Code

<!DOCTYPE html>
<html>
<head>
<title> 删除节点</title>
<script language="javascript">
<!--
function delNode()
{
var deleteN=document.getElementById(&#39;di&#39;);
if(deleteN.hasChildNodes())
{
  deleteN.removeChild(deleteN.lastChild);
}
}
-->
</script>
</head>
<body>
<h1>删除节点</h1>
<p id="di">
<p>第一行文本</p>
<p>第二行文本</p>
<p>第三行文本</p>
</p>
<form>
<input type="button" value="删除" onclick="delNode();"/>
</form>
</body>
</html>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!

Delete DOM nodes using JS

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