值类型:
引用类型:对象,数组,函数
![](https://img.haomeiwen.com/i292725/c9250e4ac5c3f333.png)
null :空地址 Object
type只能区分值类型
类型转换
字符拼接
== 运算
![](https://img.haomeiwen.com/i292725/47de09a7e1a9c188.png)
=== 和 == 的区别
![](https://img.haomeiwen.com/i292725/d59e84495d7ac93a.png)
![](https://img.haomeiwen.com/i292725/161d11c388380c37.png)
![](https://img.haomeiwen.com/i292725/cf7286ee6440de08.png)
![](https://img.haomeiwen.com/i292725/42bf3431334dbacd.png)
![](https://img.haomeiwen.com/i292725/c38360cf9739cbd8.png)
原型原型链
![](https://img.haomeiwen.com/i292725/d1dc07f175c86783.png)
![](https://img.haomeiwen.com/i292725/5dc1d494faf4d3c4.png)
instant of
![](https://img.haomeiwen.com/i292725/0f59235eca75d3a8.png)
![](https://img.haomeiwen.com/i292725/7fb1bf14dc866534.png)
值类型:
引用类型:对象,数组,函数
null :空地址 Object
type只能区分值类型
字符拼接
== 运算
=== 和 == 的区别
instant of
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