Arena Albionu has written about Django and Comet using the Orbited Python event driven comet server.
The article walks through the hello world of Comet... a chat server. The JavaScript looks like this:
JAVASCRIPT:
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function processGetPost()
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{
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var myajax=ajaxpack.ajaxobj
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var myfiletype=ajaxpack.filetype
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if (myajax.readyState == 4)
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{ //if request of file completed
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if (myajax.status==200 || window.location.href.indexOf("http")==-1)
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{ //if request was successful or running script locally
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if (myfiletype=="txt")
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alert(myajax.responseText)
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else
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alert(myajax.responseXML)
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}
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}
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}
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function connect()
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{
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var nick = document.getElementById('nickname').value;
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Orbited.connect(chat_event, nick, "/chat", "0");
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ajaxpack.getAjaxRequest("/join/" + nick + "/", "", processGetPost, "txt");
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}
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chat_event = function(data) {
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var chat_box = document.getElementById('box');
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var div = window.parent.document.createElement('div');
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div.className = "event";
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div.innerHTML = data;
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chat_box.appendChild(div);
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chat_box.scrollTop = chat_box.scrollHeight;
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}
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function send_msg() {
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var msg = document.getElementById('chat').value;
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var nick = document.getElementById('nickname').value;
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ajaxpack.getAjaxRequest("/send/" + nick + "/" + msg + "/", "", processGetPost, "txt");
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}
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