Re: removeEventListener why

From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	comp.lang.javascript
Subject	Re: removeEventListener why
Date	2017-02-07 17:31 +0100
Organization	PointedEars Software (PES)
Message-ID	<5241706.lOV4Wx5bFT@PointedEars.de> (permalink)
References	<hbCdnUYE2rVRhQTFnZ2dnUU7-dvNnZ2d@westnet.com.au> <10efabc5-8543-46ac-9674-576a9c16ed68@googlegroups.com>

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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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Thread

removeEventListener why Andrew Poulos <ap_prog@hotmail.com> - 2017-02-07 11:46 +1100
  Re: removeEventListener why "Julio P. Di Egidio" <julio@diegidio.name> - 2017-02-07 05:51 +0100
    Re: removeEventListener why "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-02-07 11:41 +0100
      Re: removeEventListener why Julio Di Egidio <julio@diegidio.name> - 2017-02-07 03:00 -0800
        Re: removeEventListener why "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-02-07 12:44 +0100
      Re: removeEventListener why JJ <jj4public@vfemail.net> - 2017-02-07 22:50 +0700
        Re: removeEventListener why "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-02-07 18:17 +0100
          Re: removeEventListener why JJ <jj4public@vfemail.net> - 2017-02-08 23:11 +0700
            Re: removeEventListener why "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-02-08 19:39 +0100
        Re: removeEventListener why Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-09 02:02 +0100
          Re: removeEventListener why Julio Di Egidio <julio@diegidio.name> - 2017-02-08 20:33 -0800
            Re: removeEventListener why "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-02-09 11:51 +0100
            Re: removeEventListener why Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-09 12:01 +0100
          Re: removeEventListener why JJ <jj4public@vfemail.net> - 2017-02-09 18:36 +0700
            Re: removeEventListener why Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-09 13:09 +0100
  Re: removeEventListener why "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-02-07 06:32 -0800
    Re: removeEventListener why Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-07 17:31 +0100
      Re: removeEventListener why Julio Di Egidio <julio@diegidio.name> - 2017-02-07 11:59 -0800
        Re: removeEventListener why Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-07 21:55 +0100
          Re: removeEventListener why Julio Di Egidio <julio@diegidio.name> - 2017-02-07 13:23 -0800
            Re: removeEventListener why "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-02-08 06:03 -0800
      Re: removeEventListener why "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-02-08 05:54 -0800

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