Extra প্রাকটিস চ্যালেঞ্জ

let - poriborton hoya!

const - poriborton hoya nah!

**JavaScript Let / JavaScript Const**

JavaScript Array slice()

String.prototype.includes()

JavaScript String substring()

array immutable javascript

Declare a Function

Function call()

Function Parameters

Functions

Returning Multiple Values from a Function

NaN = Not A Number

W3Schools JS Exercise