From 18c1e320470105dc6a9a0effeb5adda7258e6765 Mon Sep 17 00:00:00 2001
From: Ningxin Hu <ningxin.hu@intel.com>
Date: Wed, 27 Sep 2017 14:46:21 +0800
Subject: [PATCH] Fix image uploading failure for OpenCV.js tutorials

---
 doc/js_tutorials/js_assets/utils.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/js_tutorials/js_assets/utils.js b/doc/js_tutorials/js_assets/utils.js
index d2916c64d1..e7b21a3e35 100644
--- a/doc/js_tutorials/js_assets/utils.js
+++ b/doc/js_tutorials/js_assets/utils.js
@@ -12,7 +12,7 @@ function Utils(errorOutputId) { // eslint-disable-line no-unused-vars
             onloadCallback();
         });
         script.addEventListener('error', () => {
-            this.printError('Failed to load ' + OPENCV_URL);
+            self.printError('Failed to load ' + OPENCV_URL);
         });
         script.src = OPENCV_URL;
         let node = document.getElementsByTagName('script')[0];
@@ -99,7 +99,7 @@ function Utils(errorOutputId) { // eslint-disable-line no-unused-vars
         let inputElement = document.getElementById(fileInputId);
         inputElement.addEventListener('change', (e) => {
             let imgUrl = URL.createObjectURL(e.target.files[0]);
-            loadImageToCanvas(imgUrl, canvasId);
+            self.loadImageToCanvas(imgUrl, canvasId);
         }, false);
     };