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Re: Inserting a DIV inside another DIV

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From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups comp.lang.javascript
Subject Re: Inserting a DIV inside another DIV
Date Sun, 27 Aug 2017 16:27:29 +0200
Organization PointedEars Software (PES)
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Thomas 'PointedEars' Lahn wrote:

> That is why
> 
>   el.insertBefore(child, el.lastChild);
> 
> is equivalent to
> 
>   el.appendChild(child);

*Only* …
 
> [If the element node has no child nodes,

… I should say, because then

> el.lastChild is `null`, and el.insertBefore() is specified and implemented 
> to handle that, so this is safe in all cases.]

IOW,

  el.insertBefore(child, null);
 
is equivalent to

  el.appendChild(child);

> <https://www.w3.org/TR/2015/REC-dom-20151119/#dom-node-insertbefore>

-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | <http://PointedEars.de/es-matrix>
<https://github.com/PointedEars> | <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | Please do not cc me./Bitte keine Kopien per E-Mail.

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Thread

Inserting a DIV inside another DIV bit-naughty@hotmail.com - 2017-08-22 21:47 -0700
  Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-23 12:08 +0200
    Re: Inserting a DIV inside another DIV bit-naughty@hotmail.com - 2017-08-23 23:19 -0700
      Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-24 08:58 +0200
        Re: Inserting a DIV inside another DIV Tim Streater <timstreater@greenbee.net> - 2017-08-24 08:55 +0100
        Re: Inserting a DIV inside another DIV bit-naughty@hotmail.com - 2017-08-24 23:16 -0700
          Re: Inserting a DIV inside another DIV tony@mountifield.org (Tony Mountifield) - 2017-08-25 09:04 +0000
            Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-25 15:54 +0100
            Re: Inserting a DIV inside another DIV bit-naughty@hotmail.com - 2017-08-27 23:43 -0700
              Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-28 11:04 +0100
              Re: Inserting a DIV inside another DIV Julio Di Egidio <julio@diegidio.name> - 2017-08-28 04:02 -0700
                Re: Inserting a DIV inside another DIV "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-08-28 06:24 -0700
                Re: Inserting a DIV inside another DIV Julio Di Egidio <julio@diegidio.name> - 2017-08-28 07:42 -0700
                Re: Inserting a DIV inside another DIV "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-08-29 06:45 -0700
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-28 15:13 +0100
                Re: Inserting a DIV inside another DIV Julio Di Egidio <julio@diegidio.name> - 2017-08-28 07:30 -0700
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-29 10:11 +0100
                Re: Inserting a DIV inside another DIV "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-08-29 07:00 -0700
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-30 18:24 +0100
                Re: Inserting a DIV inside another DIV "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-08-29 06:57 -0700
                Re: Inserting a DIV inside another DIV "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-08-29 06:51 -0700
                Re: Inserting a DIV inside another DIV bit-naughty@hotmail.com - 2017-09-02 11:18 -0700
                Re: Inserting a DIV inside another DIV Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2017-09-11 19:57 -0300
                Re: Inserting a DIV inside another DIV Julio Di Egidio <julio@diegidio.name> - 2017-09-12 05:30 -0700
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-12 14:37 +0200
                Re: Inserting a DIV inside another DIV Julio Di Egidio <julio@diegidio.name> - 2017-09-12 06:15 -0700
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-12 15:44 +0200
                Re: Inserting a DIV inside another DIV Tim Streater <timstreater@greenbee.net> - 2017-09-12 14:51 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-12 16:38 +0200
                Re: Inserting a DIV inside another DIV Tim Streater <timstreater@greenbee.net> - 2017-09-12 20:20 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-09-13 18:47 +0200
                Re: Inserting a DIV inside another DIV Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-09-13 01:20 -0300
          Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-25 14:33 +0200
          Re: Inserting a DIV inside another DIV Peter Flynn <peter@silmaril.ie> - 2017-08-26 21:21 +0100
            Re: Inserting a DIV inside another DIV Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-08-27 03:16 +0200
              Re: Inserting a DIV inside another DIV Peter Flynn <peter@silmaril.ie> - 2017-08-27 11:40 +0100
                Re: Inserting a DIV inside another DIV Julio Di Egidio <julio@diegidio.name> - 2017-08-27 04:05 -0700
                Re: Inserting a DIV inside another DIV Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-08-27 16:15 +0200
                Re: Inserting a DIV inside another DIV Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-08-27 16:27 +0200
                Re: Inserting a DIV inside another DIV Tim Streater <timstreater@greenbee.net> - 2017-08-27 15:42 +0100
            Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-27 14:10 +0100
              Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-27 15:40 +0200
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-28 10:50 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-28 22:35 +0200
                Re: Inserting a DIV inside another DIV Tim Streater <timstreater@greenbee.net> - 2017-08-28 22:53 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-29 00:27 +0200
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-29 10:16 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-29 23:05 +0200
                Re: Inserting a DIV inside another DIV Tim Streater <timstreater@greenbee.net> - 2017-08-29 22:51 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-30 00:29 +0200
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-30 16:33 +0100
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-29 09:57 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-29 18:05 +0200
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-30 16:33 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-30 21:43 +0200
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-31 10:08 +0100
                Re: Inserting a DIV inside another DIV "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-08-31 16:40 +0200
                Re: Inserting a DIV inside another DIV John G Harris <niam@jghnorth.org.uk.invalid> - 2017-08-31 18:37 +0100

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