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JS dynamically manipulates HTML tags

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php中世界最好的语言Original
2018-05-02 09:51:511513browse

This time I will bring you JS dynamic operation of HTML tags. What are the precautions for JS dynamic operation of HTML tags? The following is a practical case, let's take a look.

1 Introduction

Dynamicly adding an HTML tag can be achieved using the

createElement() method.

CreateElement()The method can create an HTML tag based on a specified type.

Syntax:

##sElement=

document.createElement(sName)<a href="http://www.php.cn/code/658.html" target="_blank"></a>

sElement

: Used to receive an object returned by this method.

sName

: Used to set the type and basic attributes of HTML tags.

Second ApplicationDynamicly add a text box

This example clicks the "Dynamic Add Text" button to add Dynamically add a text box to the page.

Three Code

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>动态添加HTML标记</title>
<script language="javascript">
 <!--
 function addText()
 {
   var txt=document.createElement("input");
   txt.type="text";
   txt.name="txt";
   txt.value="动态添加的文本框";
   document.fm1.appendChild(txt);
 }
 -->
</script>
</head>
<body>
<form name="fm1">
<input type="button" name="btn1" value="动态添加文本框" onclick="addText();" />
</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!

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