findFilterArrayData

data.json

[
  {
    "id": 1,
    "name": "Joe Bloggs"
  },
  {
    "id": 2,
    "name": "Jane Doe"
  },
  {
    "id": 3,
    "name": "John Doe",
    "address": {
      "street": "21 Lime Street",
      "city": "London"
    }
  }
]

filterNameDoe.js

let users = require('./data.json');

let filterDoe = users.filter(user => user.name.includes("Doe"))
console.log(filterDoe)

findCityLondonCorrect.js

let users = require('./data.json');

let findCityLondon = users.find((user) => {
  try {
    return user.address.city.includes('London');
  } catch {
    return false
  }
});
console.log(findCityLondon);

findCityLondonError.js

let users = require('./data.json');

let findCityLondon = users.find(user => {
  return user.address.city.includes("London")
})
console.log(findCityLondon)

findDoeUsers.js

let users = require('./data.json');

let findDoeUsers = users.find((user) => user.name.includes('Doe'));
console.log(findDoeUsers);

findUser1.js

let users = require('./data.json');

let findId1user = users.find(user => user.id == 1)
console.log(findId1user)