docs(requirejs): update example to work on IE9

As this file is loaded into the browser, it must not contain any ES5-only methods/functionality. It's still very common to need tests for IE 8 & 7 and this code is currently causing an error in those.
karma-runner · Jul 13, 2013 · 1d04dab · 1d04dab
1 parent 9829504
commit 1d04dab
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/docs/plus/02-RequireJS.md b/docs/plus/02-RequireJS.md
@@ -111,9 +111,14 @@ asynchronously as dependencies must be fetched before the tests are run.
 The `test/main-test.js` file ends up looking like this:
 
 ```javascript
-var tests = Object.keys(window.__karma__.files).filter(function (file) {
-      return /Spec\.js$/.test(file);
-});
+var tests = [];
+for (var file in window.__karma__.files) {
+  if (window.__karma__.files.hasOwnProperty(file)) {
+    if (/Spec\.js$/.test(file)) {
+      tests.push(file);
+    }
+  }
+}
 
 requirejs.config({
     // Karma serves files from '/base'