let user = ["Yahoo Baba", 25, "Delhi"];
		
let [name, age, city] = user;

console.log(name);
console.log(age);
console.log(city);

Using Default Value

let user = ["Yahoo Baba", 25, "Delhi"];
		
let [name, age = 20, city] = user;

With Nested Array

let user = ["Yahoo Baba", 25, "Delhi", ["Male", 25000]];
let [name, age = 20, city,[gender, salary]] = user;

console.log(gender);
console.log(salary);

Using Rest Operator 

let user = ["Yahoo Baba", 25, "Delhi"];

let [name, ...args] = user;

console.log(name);
console.log(args);

Using with function

function user([name, age = 20, city]){
	console.log(name);
	console.log(age);
	console.log(city);
}

user(["Yahoo Baba", 25, "Delhi"]);

Return an Array from Function

function user(){
   return ["Yahoo Baba", 25, "Delhi"];
}

let [name, age = 20, city] = user();

console.log(city);