JavaScript associate array

Question

In Python I could do something like myMap = {key: [value1, value2]} and then access the value2 using myMap[key][1]

Can I do som

Answer 1

You can use Map:

var myMap = new Map();
myMap.set('key','Value');
var res = myMap.get('key');

console.log(var); // Result is: 'Value'