rahulmalhotra

function eats(fruit1, fruit2, fruit3) {
    console.log('Baby eats :- ', fruit1 + ', ' + fruit2 + ' and ' + fruit3);
}

let fruits = ['apple', 'mango', 'banana'];

eats(...fruits);

rahulmalhotra

//  * Spread Operator in JavaScript ES6

function eats(fruit1, fruit2, fruit3) {
    console.log('Baby eats :- ', fruit1 + ', ' + fruit2 + ' and ' + fruit3);
}

let fruits = ['apple', 'mango', 'banana'];

eats(fruits[0], fruits[1], fruits[2]);

rahulmalhotra

// * Default value to an object being passed as a parameter using ES6 syntax
function personAge(age, { firstName = 'Richard', lastName = 'Hendricks' } = {}) {
    console.log(firstName + ' ' + lastName + ' is ' + age + ' years old');
}

rahulmalhotra

// * Default value using ES6 syntax
function add(a, b = 2) {
    console.log(a+b);
}

rahulmalhotra

function add(a, b) {
    b = b ? b : 2;
    console.log(a+b);
}

rahulmalhotra

function add(a, b) {
    console.log(a+b);
}

rahulmalhotra

let perimeterOfARectangle = (length, breadth) => 2 * (length + breadth);

console.log(perimeterOfARectangle(10, 20));

rahulmalhotra

let perimeterOfACircle4 = radius => 2 * 3.14 * radius;

console.log(perimeterOfACircle4(10));

rahulmalhotra

let perimeterOfACircle3 = (radius) => {
    const PI = 3.14;
    return 2 * PI * radius;
}

console.log(perimeterOfACircle3(10));

rahulmalhotra

let perimeterOfACircle2 = function(radius) {
    const PI = 3.14;
    return 2 * PI * radius;
}

console.log(perimeterOfACircle2(10));