object.js

a = {}

a['name'] = 'ishan'
console.log(a)
// { name: 'ishan' }

// or the other way
a.age = 24
console.log(a)
// { name: 'ishan', age: 24 }

console.log(a.name)
// ishan

delete a.age
console.log(a)
// { name: 'ishan' }