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Re: Element visible

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Evertjan. wrote:
> Andrew Poulos wrote
> 
>> I've found window.matchMedia and together with addListener (given I'll 
>> need to work around the lack of support for it in IE 9) I should be able 
>> to track the "visibility" of the things that need tracking.
> 
> The visibility does not mean you can see the element.
> You will first have to define visibility as something else,
> perhaps having the CSS style visibility as not hidden,
> and the css style display as not none,
> and z-index not making the element below an other one,
> and ... ad libitum.
> 
> All this is not javascript related.

With the OP's discussion of "tracking" the visibility, presumably
the values of some of these properties can change dynamically.  If
that's the case, then I think this is very much the domain of client-
side Javascript.  


> However if you programme consistent html cum css, 
> you will know if an element is visible,
> there is no need to "track".

Only if those properties remain static.

  -- Scott

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Thread

Element visible Andrew Poulos <ap_prog@hotmail.com> - 2014-07-09 10:09 +1000
  Re: Element visible Andrew Poulos <ap_prog@hotmail.com> - 2014-07-09 13:32 +1000
    Re: Element visible "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-09 09:54 +0200
    Re: Element visible Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-07-09 11:18 +0200
      Re: Element visible Andrew Poulos <ap_prog@hotmail.com> - 2014-07-09 23:17 +1000
        Re: Element visible John Harris <niam@jghnorth.org.uk.invalid> - 2014-07-09 16:08 +0100
      Re: Element visible Andrew Poulos <ap_prog@hotmail.com> - 2014-07-10 10:07 +1000
        Re: Element visible "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-10 09:15 +0200
          Re: Element visible "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2014-07-10 10:45 +0300
            Re: Element visible Andrew Poulos <ap_prog@hotmail.com> - 2014-07-10 22:13 +1000
              Re: Element visible "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-10 14:31 +0200
                Re: Element visible Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-10 13:35 -0700
                Re: Element visible "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-11 00:23 +0200
                Re: Element visible Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-12 20:09 -0700
                Re: Element visible "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-13 09:07 +0200
          Re: Element visible John Harris <niam@jghnorth.org.uk.invalid> - 2014-07-10 10:46 +0100
        Re: Element visible Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-07-10 12:10 +0200
          Re: Element visible Andrew Poulos <ap_prog@hotmail.com> - 2014-07-14 13:00 +1000
          Re: Element visible Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-07-15 15:08 +0200

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