Match Arrays by IDs

nodejs-match-arrays-by-ids.txt

const missingIDs = ['111111', '2222222'];
const existingUsers = [{
    "System": "Test",
    "Company Name": "Test Company",
    "UU_UserName": "testuser",
    "Active": 0,
    "Ceased": 0,
    "Unused": 4,
    "UBO Surname1": "Test",
    "UBO Firstname1": "Test",
    "UBO Address1": "10 Test Court",
    "UBO Postcode1": 3150,
    "UBO City1": "VIC",
    "UBO Country1": "Australia",
    "UU_ID": 111111
  },
  {
   "System": "Test2",
    "Company Name": "Test Company2",
    "UU_UserName": "testuser2",
    "Active": 0,
    "Ceased": 0,
    "Unused": 4,
    "UBO Surname1": "Test2",
    "UBO Firstname1": "Test2",
    "UBO Address1": "102 Test Court",
    "UBO Postcode1": 3150,
    "UBO City1": "VIC",
    "UBO Country1": "Australia",
    "UU_ID": 2222222
  },
]
let missingUsers = [];
existingUsers.forEach(user => {
 	if (missingIDs.find(id => parseInt(id) === user.UU_ID)) {
  	missingUsers.push(user)
  }
}) 

console.log(missingUsers)