JS & DOM Reference
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Document getElementsByTagName() Method
Document Object
Definition and Usage
The getElementsByTagName() method accesses all elements with the specified tagname.
Syntax
document.getElementsByTagName(tagname)
| Parameter | Description |
|---|---|
| tagname | Required. The tagname of the element you want to access/manipulate |
Browser Support
The getElementsByTagName() method is supported in all major browsers.
Example
Example
<html>
<head>
<script type="text/javascript">
function getElements()
{
var x=document.getElementsByTagName("input");
alert(x.length);
}
</script>
</head>
<body>
<input type="text" size="20" /><br />
<input type="text" size="20" /><br />
<input type="text" size="20" /><br /><br />
<input type="button" onclick="getElements()" value="How many input elements?" />
</body>
</html>
<head>
<script type="text/javascript">
function getElements()
{
var x=document.getElementsByTagName("input");
alert(x.length);
}
</script>
</head>
<body>
<input type="text" size="20" /><br />
<input type="text" size="20" /><br />
<input type="text" size="20" /><br /><br />
<input type="button" onclick="getElements()" value="How many input elements?" />
</body>
</html>
Try it yourself »
Document Object
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Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.