|By Coach Wei||
|December 2, 2007 12:30 PM EST||
However, it turns out that my browsing experience is unusually slow at this moment. Eventually I realized it is because I have my FireBug turned on due to my earlier little project. After I disabled FireBug, web browsing resumed its normal performance.
A few hours later when I tried to run my little application again, it surprisingly failed on FireFox. The app loads into FireFox, but it does not respond to any user interaction. It is not frozon or dead, as I can still type into text fields. It looks fine too as the UI is still rendered correctly. But it is just not responding to any event such as "submit" or "click". On IE, the application is still working fine. The only thing that's changed is that I have FireBug disabled now. Would disabling FireBug break my app? Hard to imagine. Nevertheless, I re-enabled FireBug. Surprisingly the application is working again. If I disable FireBug, the application stops working. So does disabling FireBug actually break my application?
What does the error message mean? Where does the error come from?
Well, now enters a four-hour exciting debugging session....
if (window.XMLHttpRequest) req = new XMLHttpRequest();
else if (window.ActiveXObject)
req = new ActiveXObject((navigator.userAgent.toLowerCase().indexOf('msie 5') != -1) ? "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP");
req.open("GET", url, false);
The problem is the "req.send()" statement. When you call "send()" method for an XHR object, FireFox expects an argument for this method, even if it is "null". Without an argument, FireFox throws the above exception. Once I changed "req.send();" to "req.send(null);", the problem went away.
Can the message be any more esoteric?
|God 12/01/07 11:34:26 AM EST|
Browser security may differ for opening the pages from local or Internet. Use Opera.
|God 12/01/07 11:30:50 AM EST|
Browser security may differ for opening the pages from local or Internet. Use Opera.
|Unknown 11/30/07 10:09:46 AM EST|
If "God" doesn't like being in the title he can remove it himself.
|Unknown 11/30/07 09:33:54 AM EST|
Like ate article. Did you have to use God's name though in the title.
|Nexaweb News Desk 11/21/07 10:06:07 AM EST|
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