jQuery callbacks.locked() Method
jQuery callbacks.locked() Method
The jQuery callbacks.locked() method returns whether the callbacks list has been locked.
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.locked() 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.fire("hello");
callbacks.lock();
callbacks.fire("World");
console.log("callbacks locked : " +callbacks.locked());
function foo(value){
console.log("foo : " +value);
}
});
});
</script>
</body>
</html>
Syntax
callbacks.locked();
Return Value
| Value | Explanation |
|---|---|
| true | If the callbacks is locked. |
| false | If the callbacks is NOT locked. |
Reminder
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