概述 callbacks.remove( callbacks )
返回值：Callbacks
描述：从回调列表中的删除一个回调或回调集合。
此方法返回绑定它的那个回调对象 (this).
示例
用callbacks.remove() 删除回调或回调回调列表的集合。
// 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>