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Groups > comp.lang.javascript > #29247
| From | Tim Streater <timstreater@greenbee.net> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: Using break in while loops bad habit? |
| Date | 2016-01-16 13:43 +0000 |
| Message-ID | <160120161343519329%timstreater@greenbee.net> (permalink) |
| References | <94ec98fa-9956-48c9-ad34-de8d07cd6419@googlegroups.com> <MPG.31044fd5afc9fcf9896d8@news.eternal-september.org> |
In article <MPG.31044fd5afc9fcf9896d8@news.eternal-september.org>, Philip Herlihy <thiswillbounceback@you.com> wrote: >In article <94ec98fa-9956-48c9-ad34-de8d07cd6419@googlegroups.com>, >jonas.thornvall@gmail.com says... >> >> I have a question regarding the use of breaks in while loops, it seem most >> breaks can be avoided by adding extra conditions for the loop. However it >> somehow make it a bit harder to get the logic of the loop right. >> >> But how does the approaches compare from performance view? >> What was the main reason to include break in the language? >> Is there logic that can not be resolved without a break in loop? > >Given that the hardware understands only binary, it follows that any >high-level language is a tool to allow human readers to follow the logic >of a program. If you buy into that the only thing that really matters >is whether the code is readily and accurately comprehensible. It may be >that the use of 'break' lends itself semantically to exception >conditions. It does and that is just how I proceed. I don't use GOTO (in fact I've not used one since 1978 when I stopped writing in FORTRAN) but I'll certainly use break where it's appropriate. There may be two or three reasons to exit a while loop. So I'll test for each one and then break. Putting all the conditions in the while itself just gets clumsy. -- "That which can be asserted without evidence, can be dismissed without evidence." -- Christopher Hitchens
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Using break in while loops bad habit? jonas.thornvall@gmail.com - 2016-01-16 04:19 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-16 13:59 +0100
Re: Using break in while loops bad habit? Philip Herlihy <thiswillbounceback@you.com> - 2016-01-16 15:41 +0000
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-16 16:41 -0800
Re: Using break in while loops bad habit? Philip Herlihy <thiswillbounceback@you.com> - 2016-01-16 13:02 +0000
Re: Using break in while loops bad habit? Tim Streater <timstreater@greenbee.net> - 2016-01-16 13:43 +0000
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-16 14:56 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-18 09:39 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-18 19:16 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-23 10:32 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-24 00:49 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-25 21:36 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-26 10:12 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-26 11:11 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-26 22:48 +0100
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-26 15:03 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-27 00:51 +0100
Re: Using break in while loops bad habit? Norman Peelman <npeelman@cfl.rr.com> - 2016-01-23 21:00 -0500
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-25 21:39 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-26 10:17 +0100
Re: Using break in while loops bad habit? Doc O'Leary <droleary@2015usenet1.subsume.com> - 2016-01-26 17:10 +0000
Re: Using break in while loops bad habit? Doc O'Leary <droleary@2015usenet1.subsume.com> - 2016-01-26 16:44 +0000
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-26 11:17 -0800
Re: Using break in while loops bad habit? Doc O'Leary <droleary@2015usenet1.subsume.com> - 2016-01-27 05:00 +0000
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-27 09:29 -0800
Re: Using break in while loops bad habit? Norman Peelman <npeelman@cfl.rr.com> - 2016-01-23 20:53 -0500
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-24 10:28 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-25 21:41 -0800
Re: Using break in while loops bad habit? Robert Heller <heller@deepsoft.com> - 2016-01-16 09:06 -0600
Re: Using break in while loops bad habit? Tim Streater <timstreater@greenbee.net> - 2016-01-16 17:31 +0000
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-16 16:52 -0800
Re: Using break in while loops bad habit? Aleksandro <aleksandro@gmx.com> - 2016-01-16 12:43 -0300
Re: Using break in while loops bad habit? Silvio <silvio@internet.com> - 2016-01-16 17:51 +0100
Re: Using break in while loops bad habit? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-01-17 09:09 +0100
Re: Using break in while loops bad habit? John Harris <niam@jghnorth.org.uk.invalid> - 2016-01-17 11:19 +0000
Re: Using break in while loops bad habit? Silvio <silvio@internet.com> - 2016-01-18 00:40 +0100
Re: Using break in while loops bad habit? Andrew Poulos <ap_prog@hotmail.com> - 2016-01-18 13:53 +1100
Re: Using break in while loops bad habit? Silvio <silvio@internet.com> - 2016-01-18 07:59 +0100
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-16 16:34 -0800
Re: Using break in while loops bad habit? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-01-17 01:29 +0000
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-17 19:22 -0800
Re: Using break in while loops bad habit? Tim Streater <timstreater@greenbee.net> - 2016-01-18 10:00 +0000
Re: Using break in while loops bad habit? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-01-18 10:50 +0000
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-20 16:40 -0800
Re: Using break in while loops bad habit? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-01-21 01:50 +0000
Re: Using break in while loops bad habit? Dr J R Stockton <reply1600@merlyn.demon.co.uk.invalid> - 2016-01-18 22:55 +0000
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-18 16:10 -0800
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-18 09:46 -0800
Re: Using break in while loops bad habit? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-01-18 10:16 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-18 19:18 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-23 10:33 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-24 00:51 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-25 21:46 -0800
Re: Using break in while loops bad habit? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-01-26 10:22 +0100
Re: Using break in while loops bad habit? Gene Wirchenko <genew@telus.net> - 2016-01-26 11:19 -0800
Re: Using break in while loops bad habit? Doc O'Leary <droleary@2015usenet1.subsume.com> - 2016-01-19 16:48 +0000
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