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Re: Is it necessary to explicitly destroy elements?

From "Leonardo Azpurua" <leonardo@exmvps.org>
Newsgroups comp.lang.javascript
Subject Re: Is it necessary to explicitly destroy elements?
Date 2015-05-16 11:42 -0430
Organization A noiseless patient Spider
Message-ID <mj7q18$kkp$1@dont-email.me> (permalink)
References <mj7odj$ejr$1@dont-email.me> <GC-20150516175759@ram.dialup.fu-berlin.de>

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"Stefan Ram" <ram@zedat.fu-berlin.de> escribió en el mensaje 
news:GC-20150516175759@ram.dialup.fu-berlin.de...
> "Leonardo Azpurua" <leonardo@exmvps.org> writes:
>>My question (which is browser dependent, but there's no better place to 
>>ask
>>browser related questions than here) is: do most "modern" browsers (say
>>FireFox, Chrome, IE9+, Opera, Safari) automatically handle all the cleanup
>>of a disposed element (detaching event handlers, freeing graphical
>>resources, deallocating memory, etc) for all the elemets inside a disposed
>>control, or is it necessary to provide a function to handle all of it
>>explicitly?
>
>  The garbage collectors should take care of JavaScript objects and of
>  DOM objects. But some collectors cannot clean up in all situations.
>  To be on the safe side:
>
> - avoid circular references between JavaScript objects and DOM objects
> - avoid using closure variables in event handlers
> - avoid using inline event handlers (onclick='f()')
> - avoid using expando properties
> - nullify expando properties and DOM references when not needed anymore

Nice!

Thanks!

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Thread

Is it necessary to explicitly destroy elements? "Leonardo Azpurua" <leonardo@exmvps.org> - 2015-05-16 11:14 -0430
  Re: Is it necessary to explicitly destroy elements? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-16 17:44 +0200
    Re: Is it necessary to explicitly destroy elements? "Leonardo Azpurua" <leonardo@exmvps.org> - 2015-05-16 11:32 -0430
      Re: Is it necessary to explicitly destroy elements? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-16 18:06 +0200
  Re: Is it necessary to explicitly destroy elements? "Leonardo Azpurua" <leonardo@exmvps.org> - 2015-05-16 11:42 -0430
    Re: Is it necessary to explicitly destroy elements? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-16 18:12 +0200
  Re: Is it necessary to explicitly destroy elements? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-16 18:09 +0200
    Re: Is it necessary to explicitly destroy elements? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-05-16 22:05 -0300
      Re: Is it necessary to explicitly destroy elements? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-17 08:01 +0200
        Re: Is it necessary to explicitly destroy elements? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-05-17 13:29 -0300
          Re: Is it necessary to explicitly destroy elements? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-17 19:06 +0200
      Re: Is it necessary to explicitly destroy elements? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-17 11:53 +0200
        Re: Is it necessary to explicitly destroy elements? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-05-17 13:20 -0300

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