JSFiddle - React, Tailwind, and code Playground

by Vlad Rasenko

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.min.js"></script>
<input type="text" id="text">

JavaScript

const arr = [1, 2, 3]

const arr2 = arr.map(el => el ** 2)

console.log(arr2)

function map(arr, cb) {
	
}

const arr3 = map(arr, el => el ** 2)