JavaScript - get Map item value by key

In this article, we would like to show you how to get Map item value by key in JavaScript.

Quick solution:

const myMap = new Map([
  ['key1', 'value1'],
  ['key2', 'value2'],
]);

const result = myMap.get('key1'); // value1

Practical example

In this example, we use get() method to get values from the Map by item keys. 

// ONLINE-RUNNER:browser;

const myMap = new Map([
  ['key1', 'value1'],
  ['key2', 'value2'],
  ['key3', 'value3'],
]);

console.log(myMap.get('key1'));
console.log(myMap.get('key2'));
console.log(myMap.get('key3'));

Output:

value1
value2
value3

References

1. Map.prototype.get() - JavaScript | MDN