callbacks.locked()
确定回调列表是否已被锁定。
callbacks.locked()
- 这个方法不接受任何参数
- 此函数返回: Boolean
例子
使用callbacks.disabled()
确定回调列表是否已被锁定:
// a sample logging function to be added to a callbacks listvar 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" // disable the callbacks list callbacks.disable(); // test the disabled state of the list console.log ( callbacks.disabled() ); // outputs: true