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  • callbacks.locked()

    确定回调列表是否已被锁定。

    callbacks.locked()
    • 这个方法不接受任何参数
    • 此函数返回: Boolean

    例子

    使用callbacks.disabled()确定回调列表是否已被锁定:

    // a sample logging function to be added to a callbacks list
      var foo = function( value ) {
        console.log( "foo:" + value );
      };
     
      var callbacks = $.Callbacks();
     
      // add the logging function to the callback list
      callbacks.add( foo );
     
      // fire the items on the list, passing an argument
      callbacks.fire( "hello" );
      // outputs "foo: hello"
     
      // disable the callbacks list
      callbacks.disable();
     
      // test the disabled state of the list
      console.log ( callbacks.disabled() );
      // outputs: true