object to map javascript
const map = new Map(Object.entries({foo: 'bar'}));
map.get('foo'); // 'bar'
object to map javascript
const map = new Map(Object.entries({foo: 'bar'}));
map.get('foo'); // 'bar'
return object from map javascript
const rockets = [
{ country:'Russia', launches:32 },
{ country:'US', launches:23 },
{ country:'China', launches:16 },
{ country:'Europe(ESA)', launches:7 },
{ country:'India', launches:4 },
{ country:'Japan', launches:3 }
];
const launchOptimistic = rockets.map(elem => (
{
country: elem.country,
launches: elem.launches+10
}
));
console.log(launchOptimistic);
Run code snippet
map a property from array of objects javascript
var result = objArray.map(function(a) {return a.foo;});
Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us