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Groups > comp.lang.javascript > #18681

Re: Setting focus

Message-ID <10568013.HPcdpVcOZq@PointedEars.de> (permalink)
From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Organization PointedEars Software (PES)
Date 2013-03-01 13:12 +0100
Subject Re: Setting focus
Newsgroups comp.lang.javascript
References (2 earlier) <2fhvi8djf47mg171ogdejn3akiam4s10ds@4ax.com> <2754930.5lBmWyc64D@PointedEars.de> <kgokv7$du5$1@speranza.aioe.org> <XnsA175F03EDDEB5eejj99@194.109.133.133> <kgpko7$iq0$1@speranza.aioe.org>

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Cezary Tomczyk wrote:

> W dniu 2013-02-28 23:37, Evertjan. pisze:
>> Cezary Tomczyk wrote on 28 feb 2013 in comp.lang.javascript:
>>> W dniu 2013-02-28 22:17, Thomas 'PointedEars' Lahn pisze:
>>> [...]
>>>>     var t = window.setTimeout(function () {
>>>>       field.focus();
>>>>       window.clearTimeout(t);
>>>>       field = null;
>>>>       t = null;
>>>>     }, 50);
>>>
>>> Why here is window.clearTimeout(t);?
>>
>> Not needed, the timeout is cleared on firing.

You probably have evidence to back that up.

>> There is no need te set the field variable to null.

Yes, there is.  man Closure

>> There is no need te set the t variable to null.

Yes, there is.  man Reliability

>> There is no need to name the setTimeout(),
>> if you don't want to prevent firing it,
>> so the variable t is not needed at all.

Yes, there is.  man Repetition

> Exactly I think in the same way. That's why I asked.

And why you expect a good answer from him of all people?
 
-- 
PointedEars

Twitter: @PointedEars2
Please do not Cc: me. / Bitte keine Kopien per E-Mail.

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Thread

Setting focus Tim Slattery <Slattery_T@bls.gov> - 2013-02-28 14:30 -0500
  Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-02-28 20:50 +0100
    Re: Setting focus Tim Slattery <Slattery_T@bls.gov> - 2013-02-28 16:05 -0500
      Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-02-28 22:17 +0100
        Re: Setting focus Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-02-28 23:16 +0100
          Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-02-28 23:36 +0100
            Re: Setting focus Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-03-01 08:21 +0100
              Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-01 13:10 +0100
          Re: Setting focus "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-02-28 23:37 +0100
            Re: Setting focus Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-03-01 08:18 +0100
              Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-01 13:12 +0100
                Re: Setting focus Bernd Nawothnig <Bernd.Nawothnig@t-online.de> - 2013-03-02 15:16 +0100
        Re: Setting focus Scott Sauyet <scott.sauyet@gmail.com> - 2013-03-21 20:06 -0700
          Re: Setting focus Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-03-22 10:03 +0100
            Re: Setting focus Tim Slattery <Slattery_T@bls.gov> - 2013-03-22 08:53 -0400
              Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-23 15:09 +0100
            Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-23 15:07 +0100
              Re: Setting focus Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-03-24 12:38 +0100
                Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-24 13:42 +0100
                Re: Setting focus Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-03-24 13:54 +0100
          Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-23 15:04 +0100
            Re: Setting focus Scott Sauyet <scott.sauyet@gmail.com> - 2013-03-23 17:35 -0700
              Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-24 10:41 +0100
                Re: Setting focus Scott Sauyet <scott.sauyet@gmail.com> - 2013-03-24 16:42 -0700
                Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-30 14:27 +0100
                Re: Setting focus Scott Sauyet <scott.sauyet@gmail.com> - 2013-03-30 09:25 -0700
                Re: Setting focus Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-30 19:50 +0100
                Re: Setting focus Scott Sauyet <scott.sauyet@gmail.com> - 2013-03-30 17:11 -0700
              Re: Setting focus Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2013-03-30 01:02 +0100
                Re: Setting focus Scott Sauyet <scott.sauyet@gmail.com> - 2013-03-30 09:17 -0700
                Re: Setting focus "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-03-30 17:55 +0100

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