Kamis, 22 September 2011

Input Number

<script>
var ok = ” This chip will work”;
var nook = “This chip will not work”;
function check_input()
{
var entry = document.forms.f.textfield.value;
var length = entry.length
document.clear();
res = isNaN(entry) ? “please enter only numbers”: “Press OK to continue”;
alert(res);
if(length == 15) document.write(ok);
else
document.write(nook);
}
</script>
sumber : http://www.wahyukurniawan.info

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