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返回值:Booleancallbacks.fired()

V1.7概述

用给定的参数调用所有的回调。

示例

描述:

使用callbacks.fired() 确定,如果列表中的回调至少有一次被呼叫

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"
callbacks.fire( "world "); // outputs: "foo: world"

// test to establish if the callbacks have been called
console.log( callbacks.fired() );