Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.javascript > #35197

Re: Base64 encode using using windows-1250 encoding

From Jupi Krem <nomail@gmail.com>
Newsgroups comp.lang.javascript
Subject Re: Base64 encode using using windows-1250 encoding
Date 2018-06-09 09:55 +0200
Organization Iskon Internet d.d.
Message-ID <pfg16f$54g$1@sunce.iskon.hr> (permalink)
References <pfe3di$lvq$1@sunce.iskon.hr> <3469849.XUi3uDslzQ@PointedEars.de> <pffn0r$t08$1@sunce.iskon.hr> <XnsA8FC60AA57528eejj99@194.109.6.166>

Show all headers | View raw


Than you but your code works with English language - but not with 
EastEuropean.


Evertjan. formulated the question :
> Jupi <nomail@gmail.com> wrote on 09 Jun 2018 in comp.lang.javascript:
>
>> Thomas 'PointedEars' Lahn expressed precisely :
>>> Jupi wrote:
>>> ^^^^
>>> Your real name belongs there.
>> 
>> Mr. Jupi Krem
>> 
>>>> I need to encode string using Central European Windows-1250 encoding.
>>> 
>>> Why?
>> 
>> Because I need it.
>> 
>>>> I know how to use simple base64 but it is utf-8 encoded and I need
>>>> windows-1250.
>>> 
>>> Base64 is a transfer encoding.  UTF-8 and Windows-1250 are character 
>>> encodings.  They have nothing to do with each other.
>>> 
>>> One uses character encodings to encode code points of characters of 
>>> character sets.
>>> 
>>> One uses a transfer encoding to transfer (character) codes that cannot be 
>>> handled verbatim by a protocol or network connection.
>>> 
>>> <https://en.wikipedia.org/wiki/Base64>
>> 
>> I do not understand all this. I just need to encode some string which 
>> contains Easteuropean characters to base64 string. Curently, when I 
>> encode string, it is encoded using utf-8.
>> Thank you.
>
> IMHO:
>
> base64 translates ["encodes"] any string
> into a human-readable string.
>
> It should[!] not matter what is in the input string,
> or what encoding is used.
>
> =======================
>
> <script type='text/javascript'> 
> 'use strict';
>
> // Define the string
> let str = 'Hello World!';
>
> // Encode the String
> let encodedString = btoa(str);
> console.log(encodedString); // Outputs: "SGVsbG8gV29ybGQh"
>
> // Decode the String
> let decodedString = atob(encodedString);
> console.log(decodedString); // Outputs: "Hello World!"
>
> </script>
>
> However please read these first:
>
> <https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64
> _encoding_and_decoding#The_Unicode_Problem>
>
> <https://stackoverflow.com/questions/30106476/using-javascripts-atob-to-
> decode-base64-doesnt-properly-decode-utf-8-strings>
>
> https://caniuse.com/#search=btoa
>
> https://caniuse.com/#search=atob

Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

Base64 encode using using windows-1250 encoding Jupi <nomail@gmail.com> - 2018-06-08 16:21 +0200
  Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-08 20:26 +0200
    Re: Base64 encode using using windows-1250 encoding Jupi <nomail@gmail.com> - 2018-06-08 22:09 +0200
      Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-08 22:57 +0200
    Re: Base64 encode using using windows-1250 encoding Jupi <nomail@gmail.com> - 2018-06-09 07:02 +0200
      Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-09 09:25 +0200
        Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 09:52 +0200
          Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-09 10:12 +0200
            Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 10:25 +0200
        Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-09 09:53 +0200
          Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 10:01 +0200
            Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-09 10:17 +0200
              Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 10:32 +0200
          Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 10:02 +0200
            Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-09 10:20 +0200
              Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 10:29 +0200
                Re: Base64 encode using using windows-1250 encoding Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-06-09 12:07 +0200
      Re: Base64 encode using using windows-1250 encoding "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2018-06-09 09:30 +0200
        Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 09:55 +0200
          Re: Base64 encode using using windows-1250 encoding "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2018-06-09 13:11 +0200
        Re: Base64 encode using using windows-1250 encoding Frank Kozuschnik <franko@nurfuerspam.de> - 2018-06-09 12:45 +0200
          Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 13:13 +0200
            Re: Base64 encode using using windows-1250 encoding Mickey Finn <mfinn@gmail.com> - 2018-06-14 19:22 -0300
  Re: Base64 encode using using windows-1250 encoding "Christoph M. Becker" <cmbecker69@arcor.de> - 2018-06-09 12:30 +0200
    Re: Base64 encode using using windows-1250 encoding Jupi Krem <nomail@gmail.com> - 2018-06-09 13:14 +0200
    Re: Base64 encode using using windows-1250 encoding Yappi <nomail@gmail.com> - 2018-06-09 13:33 +0200

csiph-web