sort_objects.js

const data = {
  'axis': {'amount': 4000000, 'roi': 14},
  'icici': {'amount': 7000000, 'roi': 13.2},
  'ubi': {'amount': 4900000, 'roi': 10},
  'idfc': {'amount': 3000000, 'roi': 13},
  'sbi': {'amount': 4000000, 'roi': 10.3},
  'bob': {'amount': 2000000, 'roi': 9},
  'bajaj': {'amount': 9000000, 'roi': 19},
  'avanse': {'amount': 4000000, 'roi': 12},
  'gd': {'amount': 4000000, 'roi': 15},
  'credila': {'amount': 4600000, 'roi': 14},
  'incred': {'amount': 5000000, 'roi': 14.6}
}

let banks = Object.keys(data);
let loanAmount = 3000000;

// sorting based on best least roi
let sorted = banks.sort((a,b)=> {
  return data[a].roi - data[b].roi
})
console.log(banks)