jQuery memory leaking

gistfile1.js

(function() {
  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

  window.Leak = (function() {
    function Leak(node, data) {
      this.data = data;
      this.onNodeChanged = __bind(this.onNodeChanged, this);
      $(node).on("change", this.onNodeChanged);
    }

    Leak.prototype.onNodeChanged = function() {
      return console.log("node changed with data", this.data);
    };

    return Leak;

  })();

}).call(this);

node = $('<div id="will-leak"></div>')[0];

document.body.appendChild(node);

new Leak(node, 'gibberish');

$(node).trigger('change');

node2 = $('<span id="replace-leak"></span>')[0];

document.body.replaceChild(node2, node);

// $(node).remove()
node = null;