Validation for Mobile text Field by JavaScript
<script>
function Validate()
{
var y =document.getElementById("y").value;
if(isNaN(y)||y.indexOf(" ")!=-1)
{
alert("Enter numeric value")
return false;
}
if (y.length>10)
{
alert("enter 10 characters");
return false;
}
return true;
}
</script>
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