Merge pull request #649 from lokesh/remove-alpha-key-press-shortcuts

Remove alpha key press shortcuts

src/js/lightbox.js

@@ -1,11 +1,11 @@
 /*!
- * Lightbox v2.10.0
+ * Lightbox v2.11.0
  * by Lokesh Dhakar
  *
  * More info:
  * http://lokeshdhakar.com/projects/lightbox2/
  *
- * Copyright 2007, 2018 Lokesh Dhakar
+ * Copyright Lokesh Dhakar
  * Released under the MIT license
  * https://github.com/lokesh/lightbox2/blob/master/LICENSE
  *
@@ -500,16 +500,15 @@
     var KEYCODE_RIGHTARROW = 39;
 
     var keycode = event.keyCode;
-    var key     = String.fromCharCode(keycode).toLowerCase();
-    if (keycode === KEYCODE_ESC || key.match(/x|o|c/)) {
+    if (keycode === KEYCODE_ESC) {
       this.end();
-    } else if (key === 'p' || keycode === KEYCODE_LEFTARROW) {
+    } else if (keycode === KEYCODE_LEFTARROW) {
       if (this.currentImageIndex !== 0) {
         this.changeImage(this.currentImageIndex - 1);
       } else if (this.options.wrapAround && this.album.length > 1) {
         this.changeImage(this.album.length - 1);
       }
-    } else if (key === 'n' || keycode === KEYCODE_RIGHTARROW) {
+    } else if (keycode === KEYCODE_RIGHTARROW) {
       if (this.currentImageIndex !== this.album.length - 1) {
         this.changeImage(this.currentImageIndex + 1);
       } else if (this.options.wrapAround && this.album.length > 1) {