js map constructor
let myMap = new Map([
[1, 'one'], // [key, value]
[2, 'two'],
[3, 'three'],
]) // from MDNjs map constructor
let myMap = new Map([
[1, 'one'], // [key, value]
[2, 'two'],
[3, 'three'],
]) // from MDNnew map js
let utilisateurs = new Map()
utilisateurs.set('Mark Zuckerberg' ,{
email: '[email protected]',
poste: 'PDG',
})
utilisateurs.set ('bill Gates',{
email: '[email protected]' ,
poste : 'sauver le monde' ,
})
console.log(utilisateurs);js new map with values
new Map([
[1, 'one'],
[2, 'two'],
[3, 'three'],
])how to create an element in js using the map method
const numbers = [1, 2, 3, 4, 5];
const bigNumbers = numbers.map(number => {
return number * 10;
});initialize a map js
let map = new Map()
map['bla'] = 'blaa'
map['bla2'] = 'blaaa2'
console.log(map) // Map { bla: 'blaa', bla2: 'blaaa2' }map in js
//map() methods returns a new array
const data = {name: "laptop", brands: ["dell", "acer", "asus"]}
let inside_data = data.brands.map((i) => {
console.log(i); //dell acer asus
});Copyright © 2021 Codeinu
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