es6 Map js

Zjolie Orr answered on January 19, 2023 Popularity 9/10 Helpfulness 1/10

answer es6 Map js

es6 Map js

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const map1 = new Map();

map1.set('a', 1);
map1.set('b', 2);
map1.set('c', 3);

console.log(map1.get('a'));
// Expected output: 1

map1.set('a', 97);

console.log(map1.get('a'));
// Expected output: 97

console.log(map1.size);
// Expected output: 3

map1.delete('b');

console.log(map1.size);
// Expected output: 2

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: es6-map javascript

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Contributed on Jan 19 2023

Zjolie Orr

0 Answers Avg Quality 2/10

es6 Map js

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