callbacks.locked()
Determine if the callbacks list has been locked.
.callbacks.locked()🡢 Boolean
Use callbacks.locked() to determine the lock-state of a callback list:
HTML
// A sample logging function to be added to a callbacks list
var foo = function (value) {
console.log("foo: " + value);
};
var callbacks = $.Callbacks();
// Add the logging function to the callback list
callbacks.add(foo);
// Fire the items on the list, passing an argument
callbacks.fire("hello");
// Outputs "foo: hello"
// Lock the callbacks list
callbacks.lock();
// Test the lock-state of the list
console.log(callbacks.locked());
// true
DEMO