https://www.typescriptlang.org/docs/handbook/basic-types.html
unknown | I don't know what it is, let's be careful and check everywhere
any | it could be anything, trust me I'm OK, Compiler doesn't do type check
void | function returns nothing, but it returns.
never | function never returns.
Hi I'm a JavaScript engineer who is not good at algorithms,
and currently practicing leetCode & BFE.dev. If you are interested, maybe we can learn together.