Destructuring

Spread Operator

ES6 Syntax, for descructuring object

Spread Array

const student = {
    name: 'John Doe',
    age: 16,
    scores: {
        maths: 74,
        english: 63,
        science: 85
    }
};

function displaySummary(student) {
    console.log('Hello, ' + student.name);
    console.log('Your Maths score is ' + (student.scores.maths || 0));
    console.log('Your English score is ' + (student.scores.english || 0));
    console.log('Your Science score is ' + (student.scores.science || 0));
}

displaySummary(student);

// Hello, John Doe
// Your Maths score is 74
// Your English score is 63
// Your Science score is 85