Javascript Practice 01: JS Hero - Variables

Question: 

Declare a variable firstname and initialize it with the value 'Lata'.

Answer: 

This is a fairly simple exercise. 

> Can declare variables in 3 ways. 

> var, let & const

var firstname = 'Lata'; or (pre - ES6 Variable) (function scoped)

let firstname = 'Lata'; or (ES6 Variables) (block scoped)

const firstname = 'Lata'; (ES6 Variables) (block scoped)

All the 3 options will work. 

They have different properties.  

You can refer to MDN Webdocs or W3Schools for further information.