how to use 'getOwnPropertyNames' to iterate through contents of a map

Question

I have the map posted below in the code section. I added some values to the map as shown.But when i tried to display the contents of the map using \'getOwnPropertyNames\' as sh

Answer 1

A map does not have properties (which would be limited to string and symbol keys). It stores its elements on the inside. To iterate through a Map, use its entries, values, keys, or implicit iterator methods with a for … of loop:

for (const [key, value] of mymap) {
    console.log(key, value);
}