map.size javascript code example

Example 1: 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

Example 2: get length of map elixir

iex> Enum.count(%{foo: "bar"})
1