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window.onload in self invoking function

nimo frey
Ranch Hand

Joined: Jun 28, 2008
Posts: 580
I have a self invoking function with a window.onload in it. But the window.onload is not really called after windows is loaded. Often, myBtn returns null as the chrome-debugger says

"Uncaught TypeError: Cannot set property 'onclick' of null".

Why is that so? How can I solve that?

Using jquery and this script returns the same error:

I have put the script into the head-element.

I know, that document.ready will run immediately after DOM is built.
Self-invoking functions will run instantly - but window-onload should, normally should run after dom is built.
But this is not the case. Why?
Eric Pascarello

Joined: Nov 08, 2001
Posts: 15385
In both cases it means that you do not have a single element on the page with that id.

nimo frey
Ranch Hand

Joined: Jun 28, 2008
Posts: 580
I was so blind! You are right!

I am using jsf with templating and had something like this <ui:remove>

within the tags which was called by javascript.

So that was the reason.

Thanks !!
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