➢In programming, data types is an important concept.
➢To be able to operate on variables, it is important to know something about the type.
➢Without data types, a computer cannot safely solve this:
➢Does it make any sense to add "Volvo" to sixteen? Will it produce an error or will it produce a result?
// Now x is undefined
let x = 10; // Now x is a Number
let x = "Moksha"; // Now x is a String