You could take Array.from and map the key/value pairs. let map = new Map().set('a', 1).set('b', 2), array = Array.from(map, ([name, ... ... <看更多>

Introduction to JavaScript Array map() method · First, define a function that calculates the area of a circle. · Then, pass the circleArea function to the map() ... ... <看更多>

Javascript array map method tutorial example explained# javascript # map #method// ********* index. js ********* // map () = Performs a function ... ... <看更多>

Although you are using a map for the keys, you're still iterating over all the values in the excludes list -- so the map isn't doing as much ... ... <看更多>

FreeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional- ... Use the map Method to Extract Data from an Array. ... <看更多>