javascript code:
<script type="text/javascript">
function number_validation(s)
{
var i;
s = s.toString();
for (i = 0; i < s.length; i++)
{
var c = s.charAt(i);
if (isNaN(c))
{
alert("Given value is not a number");
return false;
}
}
return true;
}
</script>
html code:
<input type="text" name="number" id="number" onkeyup="number_validation(this.value);" />
<script type="text/javascript">
function number_validation(s)
{
var i;
s = s.toString();
for (i = 0; i < s.length; i++)
{
var c = s.charAt(i);
if (isNaN(c))
{
alert("Given value is not a number");
return false;
}
}
return true;
}
</script>
html code:
<input type="text" name="number" id="number" onkeyup="number_validation(this.value);" />
its working...this is only javascript code.
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