svn commit: r41848 - head/en_US.ISO8859-1/htdocs/layout/js

Hiroki Sato hrs at
Fri Jun 7 00:26:15 UTC 2013

Eitan Adler <eadler at> wrote
  in <CAF6rxg=tnyCyLP50RpO8j20jbnGO_Mycb7aq5P3pRVz9NtvokA at>:

ea> On 6 June 2013 16:28, Hiroki Sato <hrs at> wrote:
ea> >
ea> >  null, "", and undefined are evaluated as false in Javascript.
ea> >
ea> Javascript has an odd concept of true and false:
ea> null, an empty string,  +0, -0, and NaN, and false are the 'false' values.
ea> An object will return true.

 I see.  I am not familiar with DNT implementation, but is there a www
 browser to define navigator.doNotTrack as the value "false"?

 If so, I think something like the following is needed.

 var dnt = window.navigator.msDoNotTrack || window.navigator.doNotTrack;
 var allow_track = (dnt && dnt == 'yes'|| dnt == 1);

-- Hiroki
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