<aside> 💡 Type - A set of values and the things you can do with them.

</aside>

any

• Don't use it unless you are completely out of options.
• Overrides the typechecking

<aside> 💡 TSC Flag: noImplicitAny This is included in "strict" mode but will complain about implicit anys.

</aside>

unknown

• If you really don't know what type a value will have use this.
• You can compare (==, ===, ||, &&, ?) and negate (!)
• But you can't do things that assume type (.length, .map(), etc) before proving it is of this type (if (typeof a === "string"))

boolean

• You can annotate or allow TS to infer
• You can annotate as true , false or boolean .

<aside> 💡 Type literal: A type that represents a single value and nothing else.

</aside>

number

bigint

string

symbol

• Don't come up much in TS/JS

Objects