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>