Input Type Number

by XcsN

HTML

Only numbers please:
<input type="text" name="someid" onkeypress="return isNumberKey(event)" />
<script>
    var dot = true;

    function isNumberKey(evt) {
        var charCode = (evt.which) ? evt.which : event.keyCode;
        if (charCode > 48 && charCode < 57) return true;
        else if (dot && charCode == 46) {
            dot = false;
            return true;
        }
        return false;
    }
</script>