Comments on: JavaScript onload

By: Torstens Blog » Problem mit onload.window bei EventCalendar3 und SimpleTags

Torstens Blog » Problem mit onload.window bei EventCalendar3 und SimpleTags — Thu, 18 Oct 2007 11:55:58 +0000

[…] Um die Probleme zu beheben, hat die Autorin des EventCalendar eine kleine Anleitung geschrieben, wie die Autoren anderer Plugins dieses Problem beheben können. Da ich aber nicht die Geduld hatte, auf eine entsprechende Antwort im Wordpress-Deutschland Forum zu warten, habe ich mich trotz mangelnder JavaScript-Kenntnisse an das Problem gewagt und sogar geschafft, dieses auch zu beseitigen. Die überarbeiteten Dateien könnt Ihr hier von mir downloaden: angepasste Datein für das SimpleTags-Plugin. […]

By: mohan

mohan — Sat, 09 Jun 2007 22:17:30 +0000

I want to keep a header java script in a separate file and have this script loaded to different pages when the page opens, How do I do that? Thanks Mohan

By: Optimus Pete » Blog Archive » JS: Execute JavaScript on Page Load

Optimus Pete » Blog Archive » JS: Execute JavaScript on Page Load — Mon, 14 May 2007 10:46:26 +0000

[…] I originally saw this technique here. Alternative JS initialisation scripts are available but so far this one has worked well for me, so Iâ€™ll be sticking with it. […]

By: Brandon

Brandon — Tue, 27 Feb 2007 21:54:33 +0000

Exactly what I was looking for, and it works like a charm! Thanks a ton.

By: Steve

Steve — Wed, 31 Jan 2007 17:38:07 +0000

Works for me! Thanks for the help!

By: Dag Sverre

Dag Sverre — Tue, 30 Jan 2007 11:45:01 +0000

Re paranthesis on f: I believe strongly it is bad to make “function behave more robust” against user error. Fail early and fail violently, that’s the best way to avoid bugs. If you are actually calling this things with a null parameter then you probably have a bug somewhere else in your script!

If anything, add a check at the top: if (typeof(f) != ‘function’) throw “f cannot be null”;

BTW, standard-compliant etc. way of doing this is using window.addEventListener, which doesn’t replace the original event handler. However IE doesn’t support it (but has an attachEvent which might work the same, not sure).

By: Dave

Dave — Wed, 10 Jan 2007 18:16:58 +0000

Thanks so much. I’m using Event Calendar inside an onLoad collapsible menu, and I couldn’t figure out why the “Prev” and “Next” links weren’t dynamic until you explained it on the Event Calendar blog. Using this fix, it works like a charm….I really appreciate it!!

By: Adam Hamilton

Adam Hamilton — Tue, 02 Jan 2007 03:16:49 +0000

I finally nailed down that “F is not a function” error yesterday - my script dynamically added 0 to n functions to WindowOnload, and having 0 functions added resulted in f being null. Thus, f() is not valid, because a null function cannot be called. However, using f (no parenthesis), we get the same result if f is not null; if f is null, this statement evaluates to ‘null;’, which is also valid. So removing the parenthesis should make the function more robust, although they are not technically an error.

By: Oliver

Oliver — Tue, 19 Dec 2006 16:45:44 +0000

@Blackshadow

To call a function with a parameters, wrap the call in another function that doesn't take parameters:

WindowOnload(function() { myInitFunction(param) });

By: Ryan

Ryan — Wed, 29 Nov 2006 13:47:42 +0000

How about a function for removing a specific function call from an existing event.

I can convert the event (windows.onload) to a string and then manipulate the string, but how can I re-attach the string as an event again...

Or is there a better way of detecting a function call in an event and then targeting it for removal?

I realise I can simply remove all function calls from an event, but I'd prefer to remove the specific function call.

Thanks, Ryan