PHP chatroom

var pollServer = function() { $.get('chat.php', function(result) { if(!result.success) { console.log("Error polling server for new messages!"); return; } $.each(result.messages, function(idx) { var chatBubble; if(this.sent_by == 'self') { chatBubble = $('<div class="row bubble-sent pull-right">' + this.message + '</div><div class="clearfix"></div>'); } else { chatBubble = $('<div class="row bubble-recv">' + this.message + '</div><div class="clearfix"></div>'); } $('#chatPanel').append(chatBubble); }); setTimeout(pollServer, 5000); }); } $(document).on('ready', function() { pollServer(); $('button').click(function() { $(this).toggleClass('active'); }); }); $('#sendMessageBtn').on('click', function(event) { event.preventDefault(); var message = $('#chatMessage').val(); $.post('chat.php', { 'message' : message }, function(result) { $('#sendMessageBtn').toggleClass('active'); if(!result.success) { alert("There was an error sending your message"); } else { console.log("Message sent!"); $('#chatMessage').val(''); } }); });