// 1) Destructure array items
const [first, second,, fourth] = [10, 20, 30, 40];
// 2) Destructure object properties
const { PI, E, SQRT2 } = Math;let {a, b, c} = objconst arr = [1, 2, 3, 4];
const [first, second] = arr; // first = 1, second = 2const getTemperature = (atticData) => atticData?.celsius ?? 15;
// insted do
const getTemperature = ({ celsius = 15 } = {}) => celsius;
// https://realworldjs.medium.com/never-use-the-dot-operator-in-javascript-ee0339d85fbconst [firstElement, secondElement] = list;
// is equivalent to:
// const firstElement = list[0];
// const secondElement = list[1];
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment