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javascript validation


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//lol, great name for this fxn.

function valiDate(input) 
      //gave it an id ?
    var ymd=input.value.split('-');
    if (ymd[0].length=='4'  && !isNan(ymd[0]))
        // is a number by  !isNan?  (not (is not a number)?)
        var yeargood=true;
      else { var yeargood=false; }

      // ect.  same for month, same for day.
      // return in the end,  true or false,  handle as you see fit.
    // else there is no id for that input
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