Hay - - - -- (straw) = - -- ---
OK, I admit: JS doesn't seem make much sense to me. Simple things
(evaluating some "IF's" with some AND's and OR's thrown in for fun)
don't seem to work. I am doing some client-side validation just to
try to "get over it." So far, not so much.
I have a little, simple JS routine which validates a form. So far, so
good. (Just evaluating whether the user filled in the right
combinations of stuff, code below).
Now I have a date I want to evaluate. In my "play" sample, a Credit
Card expiration month/year which needs to be after "now." I can't yet
evaluate this, as the simple attempt to create a date object causes
the script to fail. (By that I mean, the script no longer works. When
I invoke the frmChk() function, It doesn't execute the "alert(msg)"
line under any circumstances. Nothing else changes but the enabling
of that line noted in the script. Works fine with the line disabled.)
Tested in ff2 and ie6.
To wit:
------------------------------
<script type="text/javascript">
<!--
function frmChk() {
var msg = "";
var chk_value = "";
/* THE LINE BELOW, when enabled, causes the working script to
fail. */
/*var donow = new date ();*/
if (document.form_general.rb_payment[0].checked == true) {
if (document.form_general.cc_number.value == "") {
msg = "We need your Credit Card number!";
}
}
if (document.form_general.rb_payment[1].checked == true) {
chk_value = document.form_general.po_number.value
+document.form_general.supername.value;
if (chk_value == "") {
msg = "We need your PO or Supervisor name and
number";
} else if (
document.form_general.superphone.value == "" ||
document.form_general.supername.value=="")
{
msg = "We require your both your Supervisor's
name and number";
}
}
alert(msg);
}
//-->
</script>
-------------------------------------------
????
What ain't I getting? The code is directly from books and web sites....
Ken
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