created connection to headless chromium

chromium.js

+
+class HeadlessChromium
+{
+	constructor(websocketUrl)
+	{
+		this.websocketUrl = websocketUrl
+		this.websocket = new WebSocket(websocketUrl)
+	}
+	
+	isConnected()
+	{
+		return this.websocket.readyState == WebSocket.OPEN
+	}
+	
+	runCommand(method, params = {}, callback)
+	{
+		var command = {id: 0, method: method, params: params}
+		this.websocket.send(JSON.stringify(command))
+		this.websocket.onmessage = (response) => {		
+			callback(response.data)
+		}
+	}
+}
+

index.html

@@ -7,10 +7,24 @@
     	<script src="connection.js"></script>
     	<script src="chromium.js"></script>
     	<script>
+    		var searchParams = (new URL(window.location.href)).searchParams
+    		var websocketUrl = searchParams.get("websocket")
+    		var browser = new HeadlessChromium(websocketUrl)
+    		
     		function mainloop()
     		{
-    			console.log("Hello, World " + test())
-    			setTimeout(mainloop, 5 /* seconds */ * 1000) 
+    			if (browser.isConnected())
+    			{
+    				browser.runCommand("Browser.getVersion", {}, (version) => {
+    					console.log(version)
+    				})
+    			}
+    			else
+    			{
+    				console.log("Not connected!")
+    			}
+
+    			setTimeout(mainloop, 2 /* seconds */ * 1000) 
     		}
     		mainloop()
     	</script>