HTML DOM length Property
 Complete Form Object Reference
Definition and Usage
The length property returns the number of elements in a form.
Syntax
Example
The following example returns the number of elements in the form:
<html>
<body>
<form id="myForm" method="get">
Name: <input type="text" size="20" value="Peter Griffin" /><br />
Text: <input type="text" size="20" value="Hello World" />
</form>
<script type="text/javascript">
document.write("Number of elements in myForm: ");
document.write(document.getElementById('myForm').length);
</script>
</body>
</html>
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Try-It-Yourself Demos
Get the
number of elements in a form
Complete Form Object Reference
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