How to create a field's max length
How to create a field's max length using JavaScript
Step 1. Written below code in your application
<html>
<script language="javascript">
function chek_leng(x,y)
{
if (y.length==x.maxLength)
{
var next=x.tabIndex
if (next<document.getElementById("myForm").length)
{
document.getElementById("myForm").elements[next].focus()
}
}
}
</script>
<body>
<p>Enter your key value:</p>
<form id="myForm">
<input size="4" tabindex="1" maxlength="4" onkeyup="chek_leng(this,this.value)">
<input size="2" tabindex="2" maxlength="2" onkeyup="chek_leng(this,this.value)">
<input size="3" tabindex="3" maxlength="3" onkeyup="chek_leng(this,this.value)">
</form>
</body>
</html>
Step 2. Run the Application.