jQuery callbacks.empty() Method
jQuery callbacks.empty() Method
The jQuery callbacks.empty() method removes all of the callbacks from a list.
Note: $.Callbacks() is a multi-purpose callbacks list object that provides a powerful way to manage callback lists.
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery callbacks.empty() Method</h1>
<p>Click on the button and check your console.</p>
<button>Click Me</button>
<script>
$(document).ready(function(){
$("button").click(function(){
var callbacks = $.Callbacks();
callbacks.add(foo);
callbacks.add(bar);
// Empty all callbacks
callbacks.empty();
console.log(callbacks.has(foo));
console.log( callbacks.has(bar));
function foo(value){
console.log("foo : " +value);
}
function bar(value){
console.log("bar : " +value);
}
});
});
</script>
</body>
</html>
Syntax
callbacks.empty();
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