listening in the browser

lib/watercooler/public/main.js

@@ -1 +1,9 @@
-console.log("Hello")
+var $message = document.getElementById('messages') // 1.
+
+displayUpdate = function (update) { // 2.
+  var line = "<li>" + update.data +"</li>"
+  $message.innerHTML = line + $message.innerHTML
+}
+var source = new EventSource('/listen'); // 3.
+
+source.onmessage = displayUpdate // 4.