JAVASCRIPT

Javascript Maps

new Map([x])
// "x" represents iterable elements stored as key:value pairs
// When "x" is not specified, the Map starts out empty


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

console.log(user);

/*
Map(4) {
  'First Name' => 'Divine',       
  'Last Name' => 'Orji',
  'Age' => 24,
  false => 'Dance'
}
*/

JavaScript Maps

fruits.get("apples");    // Returns 500