Datatypes in JavaScript

 The ECMAScript standard defines the following data types which are:

        1. Boolean 
        2. null
        3. undefined
        4. Number
        5. String
        6. Object

Note: BigInt is also a numeric data type which represents Integer in precision format.

        - Symbol is another datatype defined in JavaScript

1. Boolean:
        It can have only two values true or false.

       Example: let isInterested = true

2. null:
       A null value represents a reference that points to a nonexistent or invalid object or address.

Note: typeof null will return "object", however it is a bug in JavaScript

3. undefined:
        A property whose value is undefined.

        Example:

                  let a;
                  console.log(a) //output: undefined

4. Number: represents Integer or Floating value. For example 3 or 3.14

5. String:
         A string is a sequence of characters which represents a text value. It can be declared using either single quotes or double quotes.

        Example:

                 let a='hello'
                 let b ="world"

6. Object:
         It is a collection of properties or key/value pairs. 

         Example:

            const person ={id:1, name:"A"}

Continue Learning: Literals in JavaScript