From 7333459a471d2e8a16d25e1a1ab6aabbedc78d8b Mon Sep 17 00:00:00 2001
From: Parthasarathy Dharmalingam <parthasarathy@securden.com>
Date: Mon, 4 May 2020 14:23:37 +0530
Subject: [PATCH] IE Browser check added.

---
 Myrtille.Web/js/securden.js | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/Myrtille.Web/js/securden.js b/Myrtille.Web/js/securden.js
index efef9c0..7e2b0b1 100644
--- a/Myrtille.Web/js/securden.js
+++ b/Myrtille.Web/js/securden.js
@@ -1,14 +1,33 @@
 var disableUserClose = true;
 var isSessionConnected = false;
 
+this.isIEBrowserExceptEdge = function () {
+    var ua = navigator.userAgent;
+
+    // IE 10 or older
+    var msie = ua.indexOf('MSIE ');
+    if (msie > 0) {
+        return true;
+    }
+
+    // IE 11
+    var trident = ua.indexOf('Trident/');
+    if (trident > 0) {
+        return true;
+    }
+
+    return false;
+};
+
 window.onbeforeunload = function (evt) {
     if (disableUserClose) {
-        return "Do you want to close tab?";
+        if (!isIEBrowserExceptEdge() || isSessionConnected) {
+            return "Do you want to close tab?";
+        }
     }
 }
 
 window.onunload = function (evt) {
-    alert(isSessionConnected);
     if (isSessionConnected) {
         doDisconnect();
     }