# Aashish Shrivastava
- Javascript
- MongoDb, SQL
# Question 1: Js
```javascript=
const arrObj = [
{ age: 9, class: 6, name: 'A'},
{ age: 10, class: 5, name: 'B'},
{ age: 11, class: 6, name: 'C'},
{ age: 10, class: 5, name: 'D'},
{ age: 12, class: 6, name: 'E'},
{ age: 10, class: 5, name: 'F'},
{ age: 12, class: 7, name: 'G'},
]
let myObj ={}
arr.forEach((item)=>{
if(myObj[item.age]){
myObj[age] = [...myObj[item.name]]
}
})
console.log(myObj)
// const result = {
// 5: {
// 10: ['B', 'D', 'F']
// },
// 6: {
// 9: ['A'],
// 11: ['C'],
// 12: ['E']
// },
// 7: {
// 12: ['G']
// }
// }
```