From 6a91448aee5d036b35c621bbdaff250dc84e15f3 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <machniak@kolabsys.com>
Date: Wed, 30 Oct 2013 19:51:55 +0100
Subject: Improve performance and code readability by using String's
 startsWith() method, other code improvements

---
 program/js/common.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'program/js/common.js')

diff --git a/program/js/common.js b/program/js/common.js
index afaf91639..02934f734 100644
--- a/program/js/common.js
+++ b/program/js/common.js
@@ -592,6 +592,14 @@ Date.prototype.getStdTimezoneOffset = function()
   return tzo;
 }
 
+// define String's startsWith() method for old browsers
+if (!String.prototype.startsWith) {
+  String.prototype.startsWith = function(search, position) {
+    position = position || 0;
+    return this.slice(position, search.length) === search;
+  };
+}
+
 // Make getElementById() case-sensitive on IE
 if (bw.ie) {
   document._getElementById = document.getElementById;
-- 
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