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How to implement DOM deletion of nodes in JS

php中世界最好的语言Original: 2018-04-08 10:52:022861browse

This time I will show you how to delete nodes in DOM using JS. What are the precautions for deleting nodes in DOM using JS? The following is a practical case, let’s take a look.

The example in this article describes how to implement DOM node deletion operation using JS. Share it with everyone for your reference, the details are as follows:

1 Introduction

Delete nodes by using the

removeChild() method to fulfill.

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 codes

<!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>

Four running results

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!

How to implement DOM deletion of nodes in JS

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