From c6f1c5cd2af9bd2154f040633a09c0df0f6ad005 Mon Sep 17 00:00:00 2001
From: Jason <jason.white@owasp.org>
Date: Wed, 25 Oct 2017 17:11:54 -0600
Subject: [PATCH] #351 - using listenToOnce to get rid of redundant calls

---
 .../resources/static/js/goatApp/controller/LessonController.js  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webgoat-container/src/main/resources/static/js/goatApp/controller/LessonController.js b/webgoat-container/src/main/resources/static/js/goatApp/controller/LessonController.js
index 8fcb97c0d..216a33897 100644
--- a/webgoat-container/src/main/resources/static/js/goatApp/controller/LessonController.js
+++ b/webgoat-container/src/main/resources/static/js/goatApp/controller/LessonController.js
@@ -74,7 +74,7 @@ define(['jquery',
 
             this.loadLesson = function(name,pageNum) {
                 if (this.name === name) {
-                    this.listenTo(this.lessonHintView, 'hints:showButton', this.onShowHintsButton);
+                    this.listenToOnce(this.lessonHintView, 'hints:showButton', this.onShowHintsButton);
                     this.listenTo(this.lessonHintView, 'hints:hideButton', this.onHideHintsButton);
                     this.lessonContentView.navToPage(pageNum);
                     this.lessonHintView.hideHints();