Edit data in an object

let obj = {
    id: 1, 
    name: 'John',
    username: 'Doe'
}

//Using dot notation
obj.id = 10;
console.log(obj);
//Result:
//{id: 10, name: 'John', username: 'Doe'}

//Using brackets notation
obj['name'] = 'Jany';
console.log(obj)
//Result: 
//{id: 10, name: 'Jany', username: 'Doe'}