event.namespaceReturns: String

Description: The namespace specified when the event was triggered.

This will likely be used primarily by plugin authors who wish to handle tasks differently depending on the event namespace used.

Example:

Determine the event namespace used.

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<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<button>display event.namespace</button>
<p></p>
<script>
$("p").on("test.something", function(event) {
alert( event.namespace );
});
$("button").click(function(event) {
$("p").trigger("test.something");
});
</script>
</body>
</html>

Demo: