jshbrntt

// <img id="myimage" src="http://placecage/1280/720">
var image = document.getElementById('myimage');

var mc = new Hammer.Manager(image);

var pinch = new Hammer.Pinch();
var pan = new Hammer.Pan();

pinch.recognizeWith(pan);

FremyCompany

// once in the headers
defineMetaEvent('Namespace','Click');

// then when you need it
document.body.onNamespaceClick.add(function(e) { /*...*/ });
document.body.onNamespaceClick.clear();