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Re: Code: 501 Protocol scheme 'javascript' is not supported

From: Hugo Haas <hugo@w3.org>
Date: Mon, 26 Mar 2001 18:25:25 -0500
To: shannonb@xilinx.com
Cc: www-validator@w3.org
Message-ID: <20010326182525.E1243@jibboom.w3.org>
* Shannon Bristow <Shannon.Buxton@xilinx.com> [2001-03-22 18:13-0500]
> I am getting an error message on links to javascript.  To include
> javascript in a page, such as opening a new window, is relatively
> common. Is this really not supported or am I doing something wrong?
> Code: 501 Protocol scheme 'javascript' is not supported

The link checker does not support the javascript: scheme[1].

Also, note that the Web Content Accessibility Guidelines[2] using
"javascript:" links[3] makes your document not accessible; this is a
priority[4] 1 checkpoint:

   [Priority 1]
          A Web content developer must satisfy this checkpoint.
          Otherwise, one or more groups will find it impossible to access
          information in the document. Satisfying this checkpoint is a
          basic requirement for some groups to be able to use Web



  1. http://developer.netscape.com/docs/manuals/js/client/jsref/index.htm
  2. http://www.w3.org/TR/1999/WAI-WEBCONTENT-19990505/
  3. http://www.w3.org/TR/1999/WAI-WEBCONTENT-19990505/#tech-scripts
  4. http://www.w3.org/TR/1999/WAI-WEBCONTENT-19990505/#priorities
Hugo Haas - W3C
mailto:hugo@w3.org - http://www.w3.org/People/Hugo/ - tel:+1-617-452-2092
Received on Monday, 26 March 2001 18:25:25 UTC

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