Merge pull request GoogleChromeLabs#110 from gierschv/fix-companion-ie

Companion: Avoid old IE errors with document.currentScript
jugnuttha · Apr 8, 2016 · 8da9b87 · 8da9b87
2 parents 78ad6bc + 359ee7d
commit 8da9b87
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/companion.js b/companion.js
@@ -15,7 +15,7 @@
 */
 (function() {
   'use strict';
-  var workerScript = document.currentScript.dataset.serviceWorker;
+  var workerScript = document.currentScript && document.currentScript.dataset.serviceWorker;
 
   if (workerScript && 'serviceWorker' in navigator) {
     navigator.serviceWorker.register(workerScript);