Typeof Operator in JavaScript

In this video we will discuss:
typeof Operator in JavaScript

It used to fetch the data type of its operand.

Return type is string.

typeof operand
or
typeof(operand)

Parentheses can be used for determining the data type of expressions

Possible Return Types:
Undefined
Null
Boolean
Number
BigInt
String
Symbol
Function
Object

Points to Remember
The data type of NaN is number.
The data type of an array is object.
The data type of a date is object.
The data type of null is object.
The data type of an undefined variable is undefined.
The data type of a variable that has not been assigned a value is also undefined.