Mega Code Archive
Form elements length
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The elements.length property specifies the number of items in the elements array.
Each item in the array refers to an object in the HTML form.
<html>
<head>
<title> Using the elements.length property of the Form object</title>
</head>
<body>
<script language="JavaScript">
<!--
function getNum(){
var numOfElements = document.form1.elements.length;
alert("The number of elements in this document are:" + numOfElements);
}
-->
</script>
<form name="form1">
Dummy text box:
<input type="text" name="textbox1" size="25">
<br>
<input type="button" value="Dummy Button">
<input type="text" size="20" name="Sample">
<br><br>
Click on the button to get the number of elements in this form.
<input type="button" value="Get Elements" onClick='getNum()'>
</form>
</body>
</html>
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