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Re: JavaScript Packers, Compression & Decompression

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From "Christoph M. Becker" <cmbecker69@arcor.de>
Newsgroups comp.lang.javascript
Subject Re: JavaScript Packers, Compression & Decompression
Date Thu, 27 Nov 2014 13:46:22 +0100
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Chris White wrote:

> *Why doesn't JavaScript have built in decompression for all the top 
> formats?*

Because it is not the job of JavaScript to decompress anything
transmitted via HTTP -- it is generally the client's job, see RFC 2616
section 3.5[1] (resp. the newer RFCs obsoliting RFC 2616).  If you want
better/other content-codings, you can propose them -- but this is OT in
this newsgroup, anyway.

> All my attempts of self extracting web pages fail because people 
> complain that all stuff is now hidden from search engines!

Not only from search engines, but from all clients that don't support
the required scripting language.  Note that the HTML5 specification says[2]:

| Authors are also encouraged to make their applications degrade
| gracefully in the absence of scripting support.

[1] <http://tools.ietf.org/html/rfc2616#section-3.5>
[2] <http://www.w3.org/TR/html5/scripting-1.html#scripting-1>

-- 
Christoph M. Becker

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Thread

JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-27 03:34 -0800
  Re: JavaScript Packers, Compression & Decompression "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-27 13:46 +0100
  Re: JavaScript Packers, Compression & Decompression Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-27 15:26 +0100
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 06:16 -0800
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 06:17 -0800
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 06:27 -0800
    Re: JavaScript Packers, Compression & Decompression "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-28 15:43 +0100
    Re: JavaScript Packers, Compression & Decompression Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-28 16:16 +0100
      Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 07:21 -0800
        Re: JavaScript Packers, Compression & Decompression Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-28 17:04 +0100
          Re: JavaScript Packers, Compression & Decompression "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-28 18:26 +0100
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 08:20 -0800
    Re: JavaScript Packers, Compression & Decompression Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-28 17:57 +0100
      Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 10:10 -0800
    Re: JavaScript Packers, Compression & Decompression danca <cyberdanny@tiscalinet.it> - 2014-11-28 22:31 +0100
      Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-28 15:01 -0800
      Re: JavaScript Packers, Compression & Decompression Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-29 14:48 +0100
        Re: JavaScript Packers, Compression & Decompression Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-29 15:05 +0100
          [OT] Re: JavaScript Packers, Compression & Decompression danca <cyberdanny@tiscalinet.it> - 2014-12-01 18:44 +0100
  Re: JavaScript Packers, Compression & Decompression Denis McMahon <denismfmcmahon@gmail.com> - 2014-11-29 06:46 +0000
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-30 18:41 -0800
    Re: JavaScript Packers, Compression & Decompression "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2014-11-30 20:38 -0800
    Re: JavaScript Packers, Compression & Decompression Denis McMahon <denismfmcmahon@gmail.com> - 2014-12-01 16:28 +0000
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-11-30 18:41 -0800
  Re: JavaScript Packers, Compression & Decompression Chris White <0ntariokingston@gmail.com> - 2014-12-15 15:54 -0800

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