j s map code example

Example 1: js map constructor

let myMap = new Map([
  [1, 'one'], // [key, value]
  [2, 'two'],
  [3, 'three'],
]) // from MDN

Example 2: javascript map

function listFruits() {
  let fruits = ["apple", "cherry", "pear"]
  
  fruits.map((fruit, index) => {
    console.log(index, fruit)
  })
}

listFruits()

// https://jsfiddle.net/tmoreland/16qfpkgb/3/