[OpenLayers-Dev] occasional alpha hack error with FF 3

[Frédéric Junod]

Zac,

I use FF 3.0.5 and the firefox nightly build on firefox and never got this
error ...

Anyway, you're right about the array length test, could you open a ticket ? 
See http://trac.openlayers.org/wiki/FilingTickets 

fredj

Le Tue, 13 Jan 2009 00:20:20 +1100,
"Zac Spitzer" <zac.spitzer at gmail.com> a écrit :

> this code for detecting IE is throwing warnings in firebug
> 
> OpenLayers.Util.alphaHack = function() {
>     if (OpenLayers.Util.alphaHackNeeded == null) {
>         var arVersion = navigator.appVersion.split("MSIE");
>         var version = parseFloat(arVersion[1]);
> 
> Unexpected value undefined parsing r attribute.
> [Break on this error] undefined
> Util.js (line 414)
> 
> (my line numbers are a bit out as i have the $ stuff commented out as
> I found IE gets
> confused with jquery)
> 
> shouldn't there be a be a check to see if the array has two elements
> before checking it?
> 
> logically
> 
> var arVersion = navigator.appVersion.split("MSIE");
> if(arVersion.length === 1)
>  OpenLayers.Util.alphaHackNeeded= false;
> 


-- 
Frédéric Junod
Camptocamp SA