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cowboy_eventsource_index.html
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cowboy_eventsource_index.html
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<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function ready() {
if (!!window.EventSource) {
setupEventSource();
} else {
document.getElementById('status').innerHTML =
"Sorry but your browser doesn't support the EventSource API";
}
}
function setupEventSource() {
var source = new EventSource('/eventsource');
source.addEventListener('message', function(event) {
addStatus("server sent the following: '" + event.data + "'");
}, false);
source.addEventListener('open', function(event) {
addStatus('eventsource connected.')
}, false);
source.addEventListener('error', function(event) {
if (event.eventPhase == EventSource.CLOSED) {
addStatus('eventsource was closed.')
}
}, false);
}
function addStatus(text) {
var date = new Date();
document.getElementById('status').innerHTML
= document.getElementById('status').innerHTML
+ date + ": " + text + "<br/>";
}
</script>
</head>
<body onload="ready();">
Hi!
<div id="status"></div>
</body>
</html>