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README.md

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## JavaScript基础知识剖析
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* [01-01](https://github.com/TYRMars/JSlearn#01-01) `变量类型和计算(1)`
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* [01-02](https://github.com/TYRMars/JSlearn#01-02) `变量类型和计算(2)`
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* [01-03](https://github.com/TYRMars/JSlearn#01-03) `变量类型和计算(3)-JSON的理解`
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## JS小练习
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* JSDemo JS小程序
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* JDMenu 京东无延迟菜单
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obj1.x = 200;
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console.log(obj2.x); // 200
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```
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## 01-03
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### 变量类型和计算(3)-理解JSON
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```JavaScript
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//问题:如何理解JSON
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//JSON只不过是一个JS对象
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//JSON也是一个数据格式
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JSON.stringify({a:10,b:20});
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JSON.parse('{"a":10."b":20}')
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```
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### JSDemo JS小程序

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