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@mixin


描述:记录一个mixin(混入)对象。

语法

@mixin [<MixinName>]

概述

您可以使用@mixin标签标识该对象是一个mixin(混入),旨在表明该对象的属性和方法混入到其他对象。然后,可以将@mixes标签 添加到使用了该 mixin(混入)的对象上。

例子

例如,使用 @mixin :

/**
 * This provides methods used for event handling. It's not meant to
 * be used directly.
 *
 * @mixin
 */
var Eventful = {
    /**
     * Register a handler function to be called whenever this event is fired.
     * @param {string} eventName - Name of the event.
     * @param {function(Object)} handler - The handler to call.
     */
    on: function(eventName, handler) {
        // code...
    },

    /**
     * Fire an event, causing all handlers for that event name to run.
     * @param {string} eventName - Name of the event.
     * @param {Object} eventData - The data provided to each handler.
     */
    fire: function(eventName, eventData) {
        // code...
    }
}; 

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