Change all background-color attribute values

From	Janis Papanagnou <janis_papanagnou@hotmail.com>
Newsgroups	comp.lang.javascript
Subject	Change all background-color attribute values
Date	2015-11-22 15:24 +0100
Organization	Aioe.org NNTP Server
Message-ID	<n2sj7k$ttl$1@speranza.aioe.org> (permalink)

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I want to iterate over the DOM to change all background-color attribute
values, (informally written) something like

  for (obj in DOM)
    if (obj.hasAttribute(background-color))
      obj.background-color = some_funct(obj.background-color)

Is there a way to achieve that in such a simple form? Or maybe even simpler,
without addressing the objects but just change all existing background-color
attributes?

Thanks for any hints.

Janis

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Change all background-color attribute values Janis Papanagnou <janis_papanagnou@hotmail.com> - 2015-11-22 15:24 +0100
  Re: Change all background-color attribute values Martin Honnen <mahotrash@yahoo.de> - 2015-11-22 16:19 +0100
    Re: Change all background-color attribute values Janis Papanagnou <janis_papanagnou@hotmail.com> - 2015-11-22 16:38 +0100
      Re: Change all background-color attribute values Martin Honnen <mahotrash@yahoo.de> - 2015-11-22 17:02 +0100
        Re: Change all background-color attribute values Janis Papanagnou <janis_papanagnou@hotmail.com> - 2015-11-22 18:18 +0100
          Re: Change all background-color attribute values Martin Honnen <mahotrash@yahoo.de> - 2015-11-22 19:27 +0100
          Re: Change all background-color attribute values Scott Sauyet <scott.sauyet@gmail.com> - 2015-11-22 11:33 -0800
            Re: Change all background-color attribute values Janis Papanagnou <janis_papanagnou@hotmail.com> - 2015-11-23 16:01 +0100
  Re: Change all background-color attribute values JJ <jj4public@vfemail.net> - 2015-11-22 22:32 +0700
    Re: Change all background-color attribute values JJ <jj4public@vfemail.net> - 2015-11-22 22:47 +0700
      Re: Change all background-color attribute values Janis Papanagnou <janis_papanagnou@hotmail.com> - 2015-11-22 16:54 +0100
    Re: Change all background-color attribute values Janis Papanagnou <janis_papanagnou@hotmail.com> - 2015-11-22 16:49 +0100
  Re: Change all background-color attribute values Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-11-23 01:11 +0000
    Re: Change all background-color attribute values Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-11-23 11:27 +0000

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