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Commit f1a1174

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pingan8787pingan8787
committed
2020.08.07
1 parent 889aa3a commit f1a1174
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+8-8Lines changed: 8 additions & 8 deletions

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‎Cute-JavaScript/Cute-Patterns/11.《JavaScript 模式》知识点整理（下）.md‎

Copy file name to clipboardExpand all lines: Cute-JavaScript/Cute-Patterns/11.《JavaScript 模式》知识点整理（下）.md
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@@ -448,12 +448,12 @@ setTimeout(function(){
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#### 2.4两者优缺点
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**相同优点：**
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* 都可以一对多
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* 程序便于扩展
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* 都可以一对多。
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* 程序便于扩展。
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**不同优点：**
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* 观察者模式：单向解耦，发布者不需要清楚订阅者何时何地订阅，只需要维护订阅队列，发送消息即可
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* 发布订阅模式：双向解耦，发布者和订阅者都不用清楚对方，全部由订阅中心做处理
455+
* 观察者模式：单向解耦，发布者不需要清楚订阅者何时何地订阅，只需要维护订阅队列，发送消息即可。
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* 发布订阅模式：双向解耦，发布者和订阅者都不用清楚对方，全部由订阅中心做处理。
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**缺点：**
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* 如果一个被观察者和多个观察者的话，会增加维护的难度，并且会消耗很多时间。
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‎Cute-JavaScript/Cute-Patterns/9.观察者模式(Observer).md‎

Copy file name to clipboardExpand all lines: Cute-JavaScript/Cute-Patterns/9.观察者模式(Observer).md
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#### 2.4两者优缺点
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**相同优点：**
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* 都可以一对多
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* 程序便于扩展
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* 都可以一对多。
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* 程序便于扩展。
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**不同优点：**
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* 观察者模式：单向解耦，发布者不需要清楚订阅者何时何地订阅，只需要维护订阅队列，发送消息即可
42-
* 发布订阅模式：双向解耦，发布者和订阅者都不用清楚对方，全部由订阅中心做处理
41+
* 观察者模式：单向解耦，发布者不需要清楚订阅者何时何地订阅，只需要维护订阅队列，发送消息即可。
42+
* 发布订阅模式：双向解耦，发布者和订阅者都不用清楚对方，全部由订阅中心做处理。
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**缺点：**
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* 如果一个被观察者和多个观察者的话，会增加维护的难度，并且会消耗很多时间。

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