From bf9ebab2955b6b7ef5c1d091c87e03db25cd1a39 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Sat, 30 Sep 2017 02:32:05 +0300
Subject: [PATCH] extract browser version instead of boolean

---
 js/messaging.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/messaging.js b/js/messaging.js
index 594beeb0..55809e50 100644
--- a/js/messaging.js
+++ b/js/messaging.js
@@ -4,8 +4,8 @@
 // keep message channel open for sendResponse in chrome.runtime.onMessage listener
 const KEEP_CHANNEL_OPEN = true;
 
-const FIREFOX = /Firefox/.test(navigator.userAgent);
-const OPERA = /OPR/.test(navigator.userAgent);
+const FIREFOX = parseFloat(navigator.userAgent.match(/\bFirefox\/(\d+\.\d+)|$/)[1]);
+const OPERA = parseFloat(navigator.userAgent.match(/\bOPR\/(\d+\.\d+)|$/)[1]);
 
 const URLS = {
   ownOrigin: chrome.runtime.getURL(''),