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Groups > comp.lang.javascript > #18668

Re: Setting focus

Message-ID <1590776.uEoHKtjbnQ@PointedEars.de> (permalink)
From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Organization PointedEars Software (PES)
Date 2013-02-28 23:36 +0100
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>

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Cezary Tomczyk wrote:

> 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);?

Because you clean up after yourself.  Usually you should also clear timeouts 
onunload (see my website), but this one might be short enough so that 
clearing when it is done would suffice.

-- 
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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