JavaScript Map
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const myMap = new Map([
['7', 'a Number Key'],
[1, 'a String Key'],
[false, false]
]);
console.log(myMap);
const capital = new Map([
['Tokyo', 'Japan'],
['Canberra', 'Australia'],
['Kuala Lumpur', 'Malaysia'],
['Bangkok', 'Thailand']
]);
console.log(capital.size);
console.log(capital.get('Kuala Lumpur'));
capital.set('Dublin', 'Ireland');
console.log(capital.size);
console.log(capital.get('Dublin'));
JavaScript
INFO