JAVASCRIPT

js map size

const map1 = new Map();

map1.set('a', 'alpha');
map1.set('b', 'beta');
map1.set('g', 'gamma');

console.log(map1.size);
// expected output: 3

Javascript Map.prototype.size

// This returns the number of items in a Map

const user = new Map([
  ['First Name', 'Divine'],
  ['Last Name', 'Orji'],
  ['Age', 24],
  [false, 'Dance'],
]);

console.log(user.size)
// 4

JavaScript Map Size

let map1 = new Map();
map1.set('info', {name: 'Jack', age: "26"});

console.log(map1.size); // 1