Array Methods In Javascript

 let prompt = require("prompt-sync")();

let alert = require("prompt-sync")({ sigint: true });

let num = [71, 52, 63, 44, 75]

let b = num.toString()

console.log(b)

let c = num.join("_")

console.log(c)

num.pop()

console.log(num)

//Push , Shift , unshift is used to add new element in array

// let r = num.push(56)

// console.log(num, r)

//Shift is used to remove first element of array 

// let r = num.shift()

// console.log(num, r)

//Unshift is used to add new element in array

// let r = num.unshift(78)

// console.log(num, r)