示例

描述:

用callbacks.remove() 删除回调或回调回调列表的集合。

jquery 代码:

// a sample logging function to be added to a callbacks list
var foo = function( value ){
    console.log( 'foo:' + value );
}

var callbacks = $.callbacks();

// add the function 'foo' to the list
callbacks.add( foo );

// fire the items on the list
callbacks.fire( 'hello' ); // outputs: 'foo: hello'

// remove 'foo' from the callback list
callbacks.remove( foo );

// fire the items on the list again
callbacks.fire( 'world' );  

// nothing output as 'foo' is no longer in the list/code>