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Message-ID: <10568013.HPcdpVcOZq@PointedEars.de>
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To: Thomas 'PointedEars' Lahn <usenet@PointedEars.de>
Organization: PointedEars Software (PES)
Date: Fri, 01 Mar 2013 13:12:46 +0100
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Subject: Re: Setting focus
Newsgroups: comp.lang.javascript
References: <gkbvi8t9r9n3gob0gm3tiofn8rbif8naa9@4ax.com> <2471865.AAA9jsC1C5@PointedEars.de> <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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Xref: csiph.com comp.lang.javascript:18681

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?
 
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PointedEars

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