1. boolean
2. string
3. number
4. number[] / Array<number>
5. turple(元组,如下)
[string, object, number, number[]]
6. enum(枚举,如下)
enum Type {
Component,
Wire = 2,
Offpage
}
let type: Type = Type.Wire || type[2]
7. any
8. void
9. null
10. undefined
11. never(永不存在的值的类型)
类型断言,as(如 let str:any = 'haha'; let a:number = (str as string).length),不考虑使用 尖括号 方式
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