On 14 nov, 15:32, Michael Peters <[EMAIL PROTECTED]> wrote:
> ditman wrote:
> > I've tried to implement 2 suggestions that you have made here...
>
> May I suggest a 3rd? When your page is loaded serialize the form into a JSON
> string and store the results. Then in your unload handler serialize the form
> again. If the 2nd serialized string matches the first then nothing has changed
> so you ignore it. If it has, then something has changed so you warn the user.
>
Cool solution, this simplifies my first version a lot, but still has
the following problems:
- Doesn't work with Opera
- I can't customize the returnValue of the event in IE :(
Here it goes:
<script type="text/javascript">
var FormWatch4 = Class.create();
FormWatch4.prototype = {
initialize : function(form, options) {
this.form = $(form);
// Lets serialize this.form and store it...
this.formcontents = $(form).serialize();
// Observe beforeunload event...
Event.observe(window, 'beforeunload',
this.confirmExit.bind(this));
},
confirmExit : function(ev) {
this.newcontents = this.form.serialize();
if (this.formcontents != this.newcontents) {
return Event.stop(ev);
}
}
}
</script>
How can I fix that code to modify the returnValue of "ev" in
confirmExit ? ev.returnValue = "My Error String" works in FF but not
in IE.
Then... How can I make it work in Opera?? :D
Thanks! :)
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