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From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: removeEventListener why
Date: Tue, 07 Feb 2017 17:31:02 +0100
Organization: PointedEars Software (PES)
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Michael Haufe (TNO) wrote:

> On Monday, February 6, 2017 at 6:46:14 PM UTC-6, Andrew Poulos wrote:
>> Is it good practice to remove all listeners I add or does it make no
>> difference? I'm usually careful about removing all listeners I add but I
>> don't know if today it serves any real purpose.
>> 
>> In the past I used to be worried about memory leaks. Is it still an
>> issue?
> 
> Doesn't matter anymore on modern browsers.

True; however, it is a good rule of thumb.  Backwards-compatibility can be 
important; I would think that it is in Andrew’s case (IIRC, he is developing 
e-learning applications based on Moodle).

In which browser/layout engine versions is this issue resolved?

> Beware of doing things with an <object/> <embed /> or <applet /> tag
> though if you have them. God knows what happens when you interact with
> browser plugins with a bridge.

ACK.


PointedEars
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