get value key map js code example

Example 1: javascript map

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

listFruits()

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

Example 2: node get value from map

let myMap = new Map();

myMap.set("key1", "value1");
myMap.set("key2", "value2");

console.log(myMap.has("key1")); // true
console.log(myMap.has("key2")); // true

console.log(myMap.get("key1")); // value1
console.log(myMap.get("key2")); // value2

// NOTE: DO NOT try to access map values using [].
// myMap["key1"] = "value1";