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Groups > comp.lang.javascript > #32880

Re: Understanding someone's code

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups comp.lang.javascript
Subject Re: Understanding someone's code
Date 2017-03-30 18:13 +0200
Organization PointedEars Software (PES)
Message-ID <10806979.O9o76ZdvQC@PointedEars.de> (permalink)
References <WumdnYlb48xrFUHFnZ2dnUU7-K_NnZ2d@westnet.com.au> <34qdnaF51IrJJUHFnZ2dnUU7-WednZ2d@westnet.com.au> <tjo1muwhhj61$.11pjjckner5z8$.dlg@40tude.net>

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JJ wrote:

> On Thu, 30 Mar 2017 18:48:38 +1100, Andrew Poulos wrote:
>>> which has me confused. Is the line
>>>
>>>   b.getPageInView && (a = b.getPageInView()) && (F = a,
>>> document.getElementById("pageNumber").value = a);
>>>
> [snip]
>> 
>> Or  should I have said, is equivalent to
>> 
>> if (b.getPageInView) {
>>    a = b.getPageInView();
>>    if (a) {
>>      F = a;
>>      document.getElementById("pageNumber").value = a;
>>    }
>> }
> 
> Yes, it's the same.

No, it is not.

-- 
PointedEars
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Thread

Understanding someone's code Andrew Poulos <ap_prog@hotmail.com> - 2017-03-30 15:26 +1100
  Re: Understanding someone's code Andrew Poulos <ap_prog@hotmail.com> - 2017-03-30 18:48 +1100
    Re: Understanding someone's code "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-03-30 12:07 +0200
      Re: Understanding someone's code tony@mountifield.org (Tony Mountifield) - 2017-03-30 11:43 +0000
        Re: Understanding someone's code "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-03-30 14:00 +0200
          Re: Understanding someone's code tony@mountifield.org (Tony Mountifield) - 2017-03-30 13:44 +0000
            Re: Understanding someone's code "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-03-30 19:07 +0200
    Re: Understanding someone's code JJ <jj4public@vfemail.net> - 2017-03-30 18:58 +0700
      Re: Understanding someone's code Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-03-30 18:13 +0200
    Re: Understanding someone's code Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-03-30 18:13 +0200
      Re: Understanding someone's code John G Harris <niam@jghnorth.org.uk.invalid> - 2017-03-31 10:30 +0100
        Re: Understanding someone's code Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-04-02 14:41 +0200
          Re: Understanding someone's code John G Harris <niam@jghnorth.org.uk.invalid> - 2017-04-02 19:05 +0100
            Re: Understanding someone's code Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-04-10 05:00 +0200
              Re: Understanding someone's code John G Harris <niam@jghnorth.org.uk.invalid> - 2017-04-10 10:03 +0100

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