📝 UPDATE README

Author: Reaper622

README.md

@@ -12,4 +12,5 @@ JavaScript设计模式的相关学习
 - [代理模式](https://github.com/Reaper622/JavaScript-DesignPatterns/blob/master/Proxy/Proxy.md)
 
 ### 行为型
-- [策略模式](https://github.com/Reaper622/JavaScript-DesignPatterns/blob/master/Strategy/Strategy.md)
+- [策略模式](https://github.com/Reaper622/JavaScript-DesignPatterns/blob/master/Strategy/Strategy.md)
+- [迭代器模式](https://github.com/Reaper622/JavaScript-DesignPatterns/blob/master/Iterator/Itrerator.md)