HTML DOM createAttribute() method


HTML DOM createAttribute() Method

Instance

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
.democlass{
	color:red;
}
</style>
</head>
<body>

<h1>Hello World</h1>
<p id="demo">单击按钮来创建一个“类”属性值“democlass”插入到上面的H1元素。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
	var h1=document.getElementsByTagName("H1")[0];
	var att=document.createAttribute("class");
	att.value="democlass";
	h1.setAttributeNode(att);
}
</script>

</body>
</html>

Run Example»

Click the "Run Example" button to view the online example

Definition and usage

The createAttribute() method is used to create an attribute with a specified name and return the Attr object Attributes.

Browser support

QQ截图20161108165429.png

All major browsers support the createAttribute() method

Syntax

document.createAttribute(attributename)

Parameters

##Parameters TypeDescriptionAttr objectRequired. The name of the property to create.
attributename
Return value

TypeDescriptionNode ObjectCreated Properties
Technical Details

DOM VersionCore Level 1 Document Object


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