Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.javascript > #32552

Re: removeEventListener why

Path csiph.com!2.us.feeder.erje.net!feeder.erje.net!1.eu.feeder.erje.net!weretis.net!feeder4.news.weretis.net!feeder5.news.weretis.net!news.solani.org!.POSTED!not-for-mail
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)
Lines 31
Message-ID <5241706.lOV4Wx5bFT@PointedEars.de> (permalink)
References <hbCdnUYE2rVRhQTFnZ2dnUU7-dvNnZ2d@westnet.com.au> <10efabc5-8543-46ac-9674-576a9c16ed68@googlegroups.com>
Reply-To Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
Mime-Version 1.0
Content-Type text/plain; charset="UTF-8"
Content-Transfer-Encoding 8Bit
X-Trace solani.org 1486485063 20239 eJwNysEBwCAIA8CVEEOUcWgo+4/Q3vtic1EHDCIm5tbut1BMeZsbZuuqO9DrHxaHWcMW0h/TfCTTEV0= (7 Feb 2017 16:31:03 GMT)
X-Complaints-To abuse@news.solani.org
NNTP-Posting-Date Tue, 7 Feb 2017 16:31:03 +0000 (UTC)
User-Agent KNode/4.14.2
Cancel-Lock sha1:tMHnin78W6TESBdnfk3SwhwYyhs=
X-Face %i>XG-yXR'\"2P/C_aO%~;2o~?g0pPKmbOw^=NT`tprDEf++D.m7"}HW6.#=U:?2GGctkL,f89@H46O$ASoW&?s}.k+&.<b';Md8`dH6iqhT)6C^.Px|[=M@7=Ik[_w<%n1Up"LPQNu2m8|L!/3iby{-]A+#YE}Kl{Cw$\U!kD%K}\2jz"QQP6Uqr],./"?;=4v
Face 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
X-User-ID eJwNwokRACEIBLCW8GAXKUce+y/BmwTKxXIjaLg/9GAsYhW3RipDFbsDl+eaMyDdFN0+UmfmZMIrJby7+ns/8RW1
X-NNTP-Posting-Host eJwNycEBwCAIA8CVQBLQdUhl/xHsfY+RniokExxOfKbdLVzjUYlqjQKtszaCbrBrXvw3Z9YDK24RKQ==
Xref csiph.com comp.lang.javascript:32552

Show key headers only | View raw


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
-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | <http://PointedEars.de/es-matrix>
<https://github.com/PointedEars> | <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | Please do not cc me./Bitte keine Kopien per E-Mail.

Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


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

csiph-web