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From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: remove listener
Date: Sat, 21 Jan 2017 06:07:01 +0100
Organization: PointedEars Software (PES)
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Andrew Poulos wrote:

> why does doing this fail to remove any of the listeners

It does not fail; it is just ineffective.

> when I pass valid values for 'me', 'elem' and 'i'?
> 
> elem.removeEventListener("click", function(m) {
>    return function() {
>      me.show(m);
>    };
> }(i));

You are attempting to remove an event listener that was not added in the 
first place.  Each use of a function expression creates a new Function 
instance.
 
> Is it because event handlers can't be anonymous?

No.

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