1 files changed, 2 insertions, 1 deletions
diff --git a/js/src/modal.js b/js/src/modal.js
index f52af09a2..2f26bc0d9 100644
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -25,6 +25,7 @@ const Modal = (($) => {
   const JQUERY_NO_CONFLICT           = $.fn[NAME]
   const TRANSITION_DURATION          = 300
   const BACKDROP_TRANSITION_DURATION = 150
+  const ESCAPE_KEYCODE               = 27 // Escape (Esc) key
 
   const Default = {
     backdrop : true,
@@ -271,7 +272,7 @@ const Modal = (($) => {
     _setEscapeEvent() {
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
-          if (event.which === 27) {
+          if (event.which === ESCAPE_KEYCODE) {
             this.hide()
           }
         })