The jQuery event.namespace property is used to return the custom namespace whenever the event is triggered. It is used to handle tasks differently depending on the namespace used.
Syntax:
event.namespace
Parameters: This property contains single parameter event which is required. It returns the custom namespace and it comes from the event binding function.
Example 1: This example uses event.namespace property to return and remove namespace.
<!DOCTYPE html>
<html>
<head>
<title>
jQuery event.namespace Property
</title>
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<!-- Script to use event.namespace property -->
<script>
$(document).ready(function () {
$("h3").on("custom.someNamespace", function (event) {
alert(event.namespace);
});
$("h3").click(function (event) {
$(this).trigger("custom.someNamespace");
});
$("button").click(function () {
$("h3").off("custom.someNamespace");
});
});
</script>
</head>
<body>
<center>
<h1>Welcome to GeeksforGeeks!.</h1>
<div style="background-color:green">
<h3> Click here Geeks for Geeks.</h3>
<button>Remove namespace</button>
</div>
</center>
</body>
</html>
Output:
Example 2: This example uses click.mySomething namespace to slideToggle the content.
<!DOCTYPE html>
<html>
<head>
<title>
jQuery event.namespace Property
</title>
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<!-- Script to use event.namespace to
slideToggle content -->
<script>
$(document).ready(function () {
$("h3").on("click.mySomething", function () {
$(this).slideToggle();
});
$("button").click(function () {
$("h3").off("click.mySomething");
});
});
</script>
</head>
<body>
<center>
<h1>Welcome to GeeksforGeeks!.</h1>
<div style="background-color:green">
<h3>1st statement : Geeks for Geeks.</h3>
<h3>2nd statement : Mathematics</h3>
<button>Click to remove namespace</button>
</div>
</center>
</body>
</html>
Output:
