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How to implement DOM deletion of nodes in JS

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Release： 2018-04-08 10:52:02
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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>
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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!

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Related labels：
javascript delete node
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