Example of callbacks.lock() in jQuery
March 30, 2013
lock() in jQuery, locks the callback list and then fire() method will not work on callback list. In code it is used as
callbacks.lock()
<html>
<body>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script>
var show = function( val ) {
console.log(val);
};
var callbacks = $.Callbacks();
callbacks.add( show );
callbacks.fire("Hellow");
callbacks.lock();
callbacks.fire("World!");
</script>
</body>
</html>
Output
Hellow
