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diff --git a/javascript/videojs/src/js/fullscreen-api.js b/javascript/videojs/src/js/fullscreen-api.js
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+++ b/javascript/videojs/src/js/fullscreen-api.js
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+/**
+ * @file fullscreen-api.js
+ * @module fullscreen-api
+ */
+import document from 'global/document';
+
+/**
+ * Store the browser-specific methods for the fullscreen API.
+ *
+ * @type {Object}
+ * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
+ * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
+ */
+const FullscreenApi = {
+  prefixed: true
+};
+
+// browser API methods
+const apiMap = [
+  [
+    'requestFullscreen',
+    'exitFullscreen',
+    'fullscreenElement',
+    'fullscreenEnabled',
+    'fullscreenchange',
+    'fullscreenerror',
+    'fullscreen'
+  ],
+  // WebKit
+  [
+    'webkitRequestFullscreen',
+    'webkitExitFullscreen',
+    'webkitFullscreenElement',
+    'webkitFullscreenEnabled',
+    'webkitfullscreenchange',
+    'webkitfullscreenerror',
+    '-webkit-full-screen'
+  ]
+];
+
+const specApi = apiMap[0];
+let browserApi;
+
+// determine the supported set of functions
+for (let i = 0; i < apiMap.length; i++) {
+  // check for exitFullscreen function
+  if (apiMap[i][1] in document) {
+    browserApi = apiMap[i];
+    break;
+  }
+}
+
+// map the browser API names to the spec API names
+if (browserApi) {
+  for (let i = 0; i < browserApi.length; i++) {
+    FullscreenApi[specApi[i]] = browserApi[i];
+  }
+
+  FullscreenApi.prefixed = browserApi[0] !== specApi[0];
+}
+
+export default FullscreenApi;