diff --git a/.vscode/settings.json b/.vscode/settings.json
index 6155c43..496dab5 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -52,6 +52,7 @@
 		"recaptcha",
 		"ruleset",
 		"spodermenpls",
+		"statechange",
 		"unticking",
 		"webgl",
 		"whitelisted",
diff --git a/test/navigatorTest.js b/test/navigatorTest.js
index af18a48..a1a46b4 100644
--- a/test/navigatorTest.js
+++ b/test/navigatorTest.js
@@ -36,14 +36,12 @@ if (!userAgentIsConsistent){
 }
 const lines = {};
 
-iframeAPI.forEachMethod(function(windowToUse, name){
+function processNavigatorObject(navigator, keys, name){
 	"use strict";
-
-	const navigator = windowToUse.navigator;
-	Object.keys(navigator.__proto__).sort().forEach(function(property){
+	
+	keys.sort().forEach(function(property){
 		const value = navigator[property];
 		if ((typeof value) === "string"){
-			const isFirst = !lines[property];
 			if (!lines[property]){
 				lines[property] = {
 					values: [],
@@ -60,4 +58,52 @@ iframeAPI.forEachMethod(function(windowToUse, name){
 			}
 		}
 	});
+}
+
+iframeAPI.forEachMethod(function(windowToUse, name){
+	"use strict";
+
+	const navigator = windowToUse.navigator;
+	processNavigatorObject(navigator, Object.keys(navigator.__proto__), name);
+});
+
+const worker = new Worker("navigatorTestWorker.js");
+worker.addEventListener("message", function(event){
+	"use strict";
+	
+	processNavigatorObject(event.data, Object.keys(event.data), "Worker");
+	worker.terminate();
+});
+
+const sharedWorker = new SharedWorker("navigatorTestWorker.js");
+sharedWorker.port.addEventListener("message", function(event){
+	"use strict";
+	
+	processNavigatorObject(event.data, Object.keys(event.data), "SharedWorker");
+	sharedWorker.port.close();
+});
+sharedWorker.port.start();
+
+navigator.serviceWorker.register("navigatorTestWorker.js").then(function(registration){
+	"use strict";
+	
+	const worker = (registration.active || registration.waiting || registration.installing);
+	navigator.serviceWorker.addEventListener("message", function(event){
+		processNavigatorObject(event.data, Object.keys(event.data), "ServiceWorker");
+		registration.unregister();
+	});
+	if (worker.state !== "activated"){
+		worker.addEventListener("statechange", function(){
+			if (worker.state === "activated"){
+				worker.postMessage("send");
+			}
+		});
+	}
+	else {
+		worker.postMessage("send");
+	}
+	return registration;
+}).catch(function(error){
+	"use strict";
+	console.error("Unable to register service worker:", error);
 });
diff --git a/test/navigatorTestWorker.js b/test/navigatorTestWorker.js
new file mode 100644
index 0000000..3098842
--- /dev/null
+++ b/test/navigatorTestWorker.js
@@ -0,0 +1,24 @@
+(function(){
+	"use strict";
+	
+	const values = {};
+	const navigator = self.navigator;
+	Object.keys(navigator.__proto__).sort().forEach(function(property){
+		const value = navigator[property];
+		if ((typeof value) === "string"){
+			values[property] = value;
+		}
+	});
+	if (self.postMessage){
+		self.postMessage(values);
+	}
+	self.addEventListener("connect", function(event){
+		event.ports.forEach(function(port){
+			port.postMessage(values);
+		});
+	});
+	self.addEventListener("message", function(event){
+		event.source.postMessage(values);
+		return values;
+	});
+}());
\ No newline at end of file