how to validate this

[tauchai83]

I create a field and only want user to enter Integer...how should I validate using JS?



any1 can help me? thxs!!

[Zeon]

[code]
<script language="javascript" type="text/javascript">
var lastval=''
function numeric(obj,e){
if (!e) e=window.event

var a = document.getElementById('a')
if (obj.value.match(/^\d+$/g) || obj.value==''){
lastval=obj.value
}else{
obj.value=lastval
}
return false
}
</script>
<input type="text" onkeyup="numeric(this,event)" />
[/code]

[tauchai83]

Ok.Thanks a lot Zeon..it works well..