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From: Andrew Poulos <ap_prog@hotmail.com>
Subject: Differentiate between touch start and click
Date: Fri, 16 Sep 2016 18:26:16 +1000
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Xref: csiph.com comp.lang.javascript:31381

I have a touchstart event and a click event both triggering this function

function checkTrigger(e){
   if (e.type != "click") {
     e = e.touches[0];
   }

   var elem = document.elementFromPoint(e.pageX - window.pageXOffset,
                                        e.pageY - window.pageYOffset);
   ...
}

To tell whether it was a touchstart or a click I'm using
   (e.type != "click")
is that the right way to differentiate between the two or should I have 
two smaller functions (one for each event) which then pass on the 
relevant values to checkTrigger?

Andrew Poulos