Moved chat example to chatserver.

examples/chatserver/static/js/chat.js

@@ -0,0 +1,46 @@
+$(function() {
+
+    var index = -1,
+        $document = $(document),
+        $messages = $('.messages');
+
+    // Retrieve all messages after the specified index
+    function update() {
+        $.ajax({
+            type: 'POST',
+            url: '/api/getMessages',
+            data: JSON.stringify({index: index}),
+            contentType: 'application/json',
+            complete: function() {
+                window.setTimeout(update, 2000);
+            },
+            success: function(data) {
+                $.each(data.messages, function(i, e) {
+                    $('<div>')
+                        .addClass('message')
+                        .text(e.message)
+                        .appendTo($messages);
+                    index = e.index;
+                });
+                $document.scrollTop(10000);
+            }
+        });
+    }
+
+    update();
+
+    // Find the message input box and set the appropriate handler for [enter]
+    var $input = $('#input').focus().keypress(function(e) {
+        if(e.which == 13) {
+            $.ajax({
+                type: 'POST',
+                url: '/api/postMessage',
+                data: JSON.stringify({message: $(this).val()}),
+                contentType: 'application/json'
+            });
+            // Clear the contents
+            $(this).val('');
+            return false;
+        }
+    });
+});