Re: CTRL use on canvas.

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From	Arno Welzel <usenet@arnowelzel.de>
Newsgroups	comp.lang.javascript
Subject	Re: CTRL use on canvas.
Date	Thu, 12 Nov 2020 10:25:29 +0100
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Jonas Thörnvall:

> Den onsdag 11 november 2020 kl. 20:28:02 UTC+1 skrev Jonas Thörnvall:
>> Den onsdag 11 november 2020 kl. 18:17:06 UTC+1 skrev Michael Haufe (TNO):
>>> On Wed, 11 Nov 2020 00:30:32 -0800 (PST), Jonas Thörnvall wrote: 
>>>> I have started a "silly" project trying to simulate some sort of text 
>>>> editor/command cursor format on canvas. 
>>>>
>>>> Shift seem to work implicity, chosing correct Charcode character, but 
>>>> CTRL charcode 17 just produce some rectangle symbol. 
>>>
>>> Look at an ASCII table. What did you expect charcode 17 to display?
>>
>> Ok i was a bit tired this morning so forget that question, but i have a connected question, when i . and ,"echo" dot it correctly tells me keycode 188 and keycode 190.
>>
>> But what is echoed out is 3/4 and !/4 symbols, i know is is something with i am echoing wrong type of value.
>> key = e.keyCode ? e.keyCode : e.which;
>> character= String.fromCharCode(key);
> 
> By the way
> key = e.keyCode ? e.keyCode : e.which;
> Is some heavy monkey grammer who come up with this shit?

No, this is called a ternary operator and many languages have this.

Also see <https://en.wikipedia.org/wiki/%3F:>

-- 
Arno Welzel
https://arnowelzel.de

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Thread

CTRL use on canvas. Jonas Thörnvall <jonas.thornvall@gmail.com> - 2020-11-11 00:30 -0800
  Re: CTRL use on canvas. Jonas Thörnvall <jonas.thornvall@gmail.com> - 2020-11-11 00:41 -0800
    Re: CTRL use on canvas. Jonas Thörnvall <jonas.thornvall@gmail.com> - 2020-11-11 00:45 -0800
  Re: CTRL use on canvas. JJ <jj4public@gmail.com> - 2020-11-11 18:15 +0700
    Re: CTRL use on canvas. "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2020-11-11 14:03 +0100
    Re: CTRL use on canvas. "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2020-11-11 09:16 -0800
      Re: CTRL use on canvas. Jonas Thörnvall <jonas.thornvall@gmail.com> - 2020-11-11 11:27 -0800
        Re: CTRL use on canvas. Jonas Thörnvall <jonas.thornvall@gmail.com> - 2020-11-11 11:28 -0800
          Re: CTRL use on canvas. "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2020-11-11 11:34 -0800
          Re: CTRL use on canvas. Arno Welzel <usenet@arnowelzel.de> - 2020-11-12 10:25 +0100

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