jquery-chm/callbacks.add.html at master · webcoding/jquery-chm · GitHub

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<title>callbacks.add(callbacks) | jQuery API 中文手册</title>
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  <div rel="callbacks.add">
    <h2><span>返回值:undefined</span>callbacks.add(callbacks)</h2>
    <h3>概述</h3>
    <div class="desc">
      <p> 回调列表中添加一个回调或回调的集合。 </p>
      <div class="longdesc">
        <p></p>
      </div>
    </div>
    <h3>参数</h3>
    <div class="parameter">
      <h4><strong>callbacks </strong><em>V1.7</em></h4>
      <p> 一个函数，或者一个函数数组用来添加到回调列表。 .</p>
    </div>
    <div class="example">
      <h3>示例</h3>
      <span id="f_ad2"></span>
      <h4>描述:</h4>
      <p>使用 callbacks.add() 添加新的回调到回调列表：</p>
      <h5>jQuery 代码:</h5>
      <pre><code>// a sample logging function to be added to a callbacks list
var foo = function( value ){
    console.log( 'foo:' + value );
}

// another function to also be added to the list
var bar = function( value ){
    console.log( 'bar:' + 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'

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

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

// outputs:
// 'foo: world'
// 'bar: world'</code></pre>
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