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From: Cezary Tomczyk <cezary.tomczyk@gmail.com>
Newsgroups: comp.lang.javascript
Subject: Re: Inserting stuff received with AJAX into the DOM
Date: Sun, 20 Aug 2017 21:50:24 +0200
Organization: csiph.com Internet News Service
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References: <7e54d58e-0ce6-4bb5-9f07-f65b69a94a64@googlegroups.com> <5846bd55-f0bd-4088-a596-aba50eef32a5@googlegroups.com> <DOM-insertation-20170819210612@ram.dialup.fu-berlin.de> <11843581.uLZWGnKmhe@PointedEars.de> <onc4cc$2mkt$1@csiph.com> <7340100.T7Z3S40VBb@PointedEars.de>
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On 20/08/2017 19:18, Thomas 'PointedEars' Lahn wrote:
> Cezary Tomczyk wrote:
> 
>> On 20/08/2017 12:16, Thomas 'PointedEars' Lahn wrote:
>>> Stefan Ram wrote:
>>>> { const text = document.createTextNode( rt );
>>>>     const par = document.createElement( 'p' ); par.appendChild( text );
>>>>     const div = document.createElement( 'div' ); div.appendChild( par );
>>>>     div.setAttribute( 'id', 'particularid' );
>>>>     whereyouwanttoappendit.appendChild( div ); }
>>> […]
>>> The first thing that one wants to do is to test each return values before
>>> one uses it:
>>>
>>>     if (par && text) par.appendChild(text);
>>>
>>> Even better, in a function is the “gauntlet” or “early return” approach:
>>>
>>>     if (!(par && text)) return …;
>>
>> My approach would be a bit different. I would rather not do that as "if"
>> statement here tends to hides the potential error. Better, in my
>> opinion, is to use directly:
>>
>> par.appendChild(text);
>>
>> "par" is always defined, […]
> 
> How did you get that idea?

const par = document.createElement( 'p' );

-- 
Cezary Tomczyk
http://www.ctomczyk.pl/