gistfile1.txt

(function (ns, w, d, $) {

	var harukaze = ns.harukaze = $.extend({}, ns.harukaze);

	var _key_stacks = [];

	harukaze.keybind = {
		keystack: {
			push: function (code) {
				_key_stacks.push(code);
			},

			pop: function () {
				_key_stacks.pop();
			},

			clear: function () {
				_key_stacks = [];
			},

			characters: function () {
				var keystack = this;
				return $.map(_key_stacks, function () {
					return keystack.convert(this);
				}).join('');
			},

			mixed: function () {
				return {
					characters: this.characters(),
					shiftkey: this.shiftkey(),
					ctrlkey: this.ctrlkey(),
					metakey: this.metakey()
				}
			}
		}
	};

})(this, window, document, jQuery);