global id counter, get recent messages updated with since, routes cleaned, innerhtml, moved listener to div

Author: katarzynakaz

sprint3 prep tasks/index.html

@@ -18,8 +18,8 @@ <h1 id="greeting">Chat feed</h1>
 			<button type="button" class="secondary-btn" id="refresh-btn">
 				Get latest messages
 			</button>
-			<button type="button" class="secondary-btn" id="hide-btn">Hide messages</btn>
-			<button style="opacity: 0" type="button" class="secondary-btn" id="test-ws">Test websocket</btn>
+			<button type="button" class="secondary-btn" id="hide-btn">Hide messages</button>
+			<button style="opacity: 0" type="button" class="secondary-btn" id="test-ws">Test websocket</buttotn>
 		</div>
 
 		<div class="container add-message">