Add a function that allows us to remove the event listeners

mousetrap.js

@@ -182,6 +182,23 @@
         object.attachEvent('on' + type, callback);
     }
 
+     /**
+     * cross browser remove event method
+     *
+     * @param {Element|HTMLDocument} object
+     * @param {string} type
+     * @param {Function} callback
+     * @returns void
+     */
+      function _removeEvent(object, type, callback) {
+        if (object.removeEventListener) {
+            object.removeEventListener(type, callback, false);
+            return;
+        }
+
+        object.detachEvent('on' + type, callback);
+    }
+
     /**
      * takes the event and returns the key character
      *
@@ -891,6 +908,19 @@
         _addEvent(targetElement, 'keyup', _handleKeyEvent);
     }
 
+    /**
+     * Removes the event listeners. This is useful if the element is
+     * being removed and to prevent memory leaks.
+     * 
+     * @returns void
+     */
+    Mousetrap.prototype.removeListeners = function() {
+        _removeEvent(targetElement, 'keypress', _handleKeyEvent);
+        _removeEvent(targetElement, 'keydown', _handleKeyEvent);
+        _removeEvent(targetElement, 'keyup', _handleKeyEvent);
+    };
+
+
     /**
      * binds an event to mousetrap
      *

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mousetrap",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "description": "Simple library for handling keyboard shortcuts",
   "main": "mousetrap.js",
   "directories": {