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12-map.js
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65 lines (40 loc) · 897 Bytes
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/*
Clase 27 - Maps
Vídeo: https://youtu.be/1glVfFxj8a4?t=10755
*/
// Map
// Declaración
let myMap = new Map();
console.log(myMap);
// Inicialiación
console.log("----- Inicialización -----");
myMap = new Map([
["name", "Brais"],
["age", 37],
]);
console.log(myMap);
// Métodos y propiedades
console.log("----- Métodos y propiedades -----");
// set
myMap.set("alias", "mouredev");
myMap.set("name", "Brais Moure");
console.log(myMap);
// get
console.log(myMap.get("name"));
console.log(myMap.get("surname"));
// has
console.log(myMap.has("surname"));
console.log(myMap.has("age"));
// delete
myMap.delete("email");
console.log(myMap);
// keys, values y entries
console.log(myMap.keys());
console.log(myMap.values());
console.log(myMap.entries());
// size
console.log(myMap.size);
// clear
myMap.clear();
console.log(myMap);