Building Instant Messaging and Chat over WebSocket with XMPP - The Definitive Guide to HTML5 WebSocket - page 81

Strophe.forEachChild(presence, "show", function(elem) {
show = elem.textContent;
});
Strophe.forEachChild(presence, "status", function(elem) {
status = elem.textContent;
});
if (show || status){
log("[presence] " + from + ":" + status + " " + show);
}
// Indicate that this handler should be called repeatedly
return true;
}
// Create chat UI
var chatArea = document.getElementById("chatArea");
var toJid = document.createElement("input");
toJid.setAttribute("placeholder", "user@server");
chatArea.appendChild(toJid);
var chatBody = document.createElement("input");
chatBody.setAttribute("placeholder", "chat body");
chatArea.appendChild(chatBody);
var sendButton = document.createElement("button");
sendButton.textContent = "Send";
sendButton.onclick = function() {
var message = $msg({to: toJid.value, type:"chat"})
.c("body").t(chatBody.value);
connection.send(message);
}
chatArea.appendChild(sendButton);
function messageHandler(message) {
var from = message.getAttribute("from");
var body = "";
Strophe.forEachChild(message, "body", function(elem) {
body = elem.textContent;
});
// Log message if body was present
if (body) {
log(from + ": " + body);
}