<script src="https://hammerjs.github.io/dist/hammer.js"></script>

<div id="myElement"></div>

#myElement {
  background: silver;
  height: 300px;
  text-align: center;
  font: 30px/300px Helvetica, Arial, sans-serif;
}

var myElement = document.getElementById('myElement');

// We create a manager object, which is the same as Hammer(), but without the presetted recognizers. 
var mc = new Hammer.Manager(myElement);

// Default, tap recognizer
mc.add( new Hammer.Tap() );

// Tap recognizer with minimal 4 taps
mc.add( new Hammer.Tap({ event: 'quadrupletap', taps: 4 }) );

// we want to recognize this simulatenous, so a quadrupletap will be detected even while a tap has been recognized.
// the tap event will be emitted on every tap
mc.get('quadrupletap').recognizeWith('tap');


mc.on("tap quadrupletap", function(ev) {
    myElement.textContent += ev.type +" ";
});