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Re: Dynamically assign image map values?

From Tuxedo <tuxedo@mailinator.com>
Newsgroups comp.lang.javascript
Subject Re: Dynamically assign image map values?
Date 2014-10-30 18:35 +0100
Organization albasani.net
Message-ID <m2tssv$d2r$1@news.albasani.net> (permalink)
References <m2q62u$u73$1@news.albasani.net> <m2q89q$c5m$1@dont-email.me> <m2qkt1$reb$1@news.albasani.net> <m2rbk4$a71$1@news.albasani.net> <m2rjvi$r6c$1@news.albasani.net>

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Tuxedo wrote:

[...]

> var map = document.createElement("map");
> map.setAttribute("name","mymap");
> 
> var area = document.createElement("area");
> area.setAttribute("href","bla");
> area.setAttribute("coords","100,100,300,300");
> area.setAttribute("shape","rect");

If the area coords attributes are variables, how can they be included in 
the area.setAttribute function? Eg.:

x1 = 100; y1 = 100; x2 = 300; y2 =300;

area.setAttribute("coords","+x1+","+y1+","+x2+","+y2+");

But this is wrong. It reports in the console:
Error: The "coords" attribute of the <area shape="rect"> tag is not in the 
"left,top,right,bottom" format.

Many thanks for any pointers!

Tuxedo

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Thread

Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-29 08:47 +0100
  Re: Dynamically assign image map values? "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-10-29 10:25 +0200
    Re: Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-29 13:00 +0100
      Re: Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-29 19:28 +0100
        Re: Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-29 21:50 +0100
          Re: Dynamically assign image map values? "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-10-30 07:51 +0200
            Re: Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-30 09:44 +0100
          Re: Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-30 18:35 +0100
            Re: Dynamically assign image map values? "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-10-30 19:57 +0200
              Re: Dynamically assign image map values? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-10-30 19:46 +0100
                Re: Dynamically assign image map values? "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-10-30 20:57 +0200
                Re: Dynamically assign image map values? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-10-30 21:26 +0100
                Re: Dynamically assign image map values? "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-10-30 22:58 +0200
              Re: Dynamically assign image map values? Tuxedo <tuxedo@mailinator.com> - 2014-10-30 20:52 +0100
                Re: Dynamically assign image map values? "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-10-30 22:23 +0200

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