返回值:Booleancallbacks.locked()
V1.7概述
確定是否已被鎖定的回調(diào)列表。
示例
描述:
用?callbacks.locked()?確定是否已被鎖定的回調(diào)列表。:
jQuery 代碼:
// 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