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}))javascript foreach object keys
var lunch = {
sandwich: 'ham',
snack: 'chips',
drink: 'soda',
desert: 'cookie',
guests: 3,
alcohol: false,
};
Object.keys(lunch).forEach(function (item) {
console.log(item); // key
console.log(lunch[item]); // value
});
// returns "sandwich", "ham", "snack", "chips", "drink", "soda", "desert", "cookie", "guests", 3, "alcohol", falseCopyright © 2021 Codeinu
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