| 类型 | example | typeof |
|---|---|---|
| String | "1" |
string |
| Number | 1 |
number |
| Boolean | true |
boolean |
| Null | null |
object |
| undefined | undefined |
undefined |
| Object | {}/[]等 |
object |
| Symbol | Symbol() |
symbol |
| Bigint | 1n |
bigint |
原文：https://www.cnblogs.com/coderDemo/p/13376957.html