map add key to object in array javascript
const newArr = [
{name: 'eve'},
{name: 'john'},
{name: 'jane'}
].map(v => ({...v, isActive: true}))map add key to object in array javascript
const newArr = [
{name: 'eve'},
{name: 'john'},
{name: 'jane'}
].map(v => ({...v, isActive: true}))append to map javascript
var myMap = {};
myMap[newKey] = newValue;
// ...
// Another method
var myMap = new Map()
myMap.set("key0","value")
// ...
myMap.has("key1"); // evaluates to false, assuming key1 wasn't setnew 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);map and set in javascript
map.keys() // The keys() method returns the keysmap and set in javascript
const map = new Map([
[1970, 'bell bottoms'],
[1980, 'leg warmers'],
[1990, 'flannel'],
])map and set in javascript
map.values() // The values() method returns the values:Copyright © 2021 Codeinu
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