map-filter-find.js

/* Map */
const numbers = [2, 3, 4, 5, 6, 8];
const squaredNum = numbers.map((num) => num * num);
console.log(squaredNum);
// Output : [ 4, 9, 16, 25, 36, 64 ]

/* Filter */
const shapes = ["🟨", "🟩", "🔵", "🔴", "🟨", "🟩", "🔵", "🔴"];
const circle = shapes.filter((item) => item === "🔴");
const square = shapes.filter((item) => item === "🟩");
console.log(circle);
console.log(square);
// Output : ["🔴", "🔴"]
// Output : ["🟩", "🟩"]

/* Find */
const hearts = ["💙", "💛", "🧡", "💚", "💜"];
const greenH = hearts.find((item) => item === "💚");
console.log(greenH);
// Output : 💚