Basic JavaScript - Record Collection

I wrote this code to complete the challenge and I compare it to the solution that I find in (Get a Hint) page.
It is almost identical, but won’t pass these tests.

  1. After updateRecords(recordCollection, 1245, "tracks", "Addicted to Love") , tracks should have the string Addicted to Love as the last element.
  2. After updateRecords(recordCollection, 1245, "albumTitle", "Riptide") , albumTitle should be the string Riptide
// Setup
const recordCollection = {
  2548: {
    albumTitle: 'Slippery When Wet',
    artist: 'Bon Jovi',
    tracks: ['Let It Rock', 'You Give Love a Bad Name']
  },
  2468: {
    albumTitle: '1999',
    artist: 'Prince',
    tracks: ['1999', 'Little Red Corvette']
  },
  1245: {
    artist: 'Robert Palmer',
    tracks: []
  },
  5439: {
    albumTitle: 'ABBA Gold'
  }
};
// Only change code below this line
function updateRecords(records, id, prop, value) {
  if(prop !== "tracks" && value){
    records[id][prop] = value;
  }
  else if(prop === "tracks" && !records[id][prop] && value){
    records[id][prop] = [value]
  }
  else if(prop === "tracks" && value){
    records[id][prop].push(value)
  }
  else if(!value){
    delete records[id][prop]
  }
  return recordCollection
}
updateRecords(recordCollection, 5439, 'artist', 'ABBA');

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Challenge: Basic JavaScript - Record Collection

Link to the challenge:

You’re referencing a global variable on the last line of your function. You should only need to reference function parameters or your own locally scoped variables.

thanks a lot for your help

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