var Events = require('events');
var events = new Events();
var a = document.querySelector('a');
var onclick = function () {
  e.preventDefault();
  console.log(e.target);
};
events.bind(a, 'click', function () {
  e.preventDefault();
  console.log(e.target);
});
events.bind(a, 'click', onclick);
events.bind(a, 'dblclick', function () {
  e.preventDefault();
  console.log(e.target);
});
events.bind(a, 'dblclick', function () {
  e.preventDefault();
  console.log(e.target + "2");
});
events.unbind(a, 'click', onclick); // removes only the onclick listener
events.unbind(a, 'dblclick'); // remove all the `dblclick` listeners
events.unbind(a); // remove all event listeners