JavaScriptADS/basic-javascript/record-collection.js at main · juancolchete/JavaScriptADS · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// 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"){
    if(value == ""){
      delete records[id][prop];
    }else{
      records[id][prop] = value;
    }
  }else{
    if(value == ""){
      delete delete records[id][prop];
    }else{
      if(records[id].hasOwnProperty(prop) == false){
        records[id][prop] = [];
      }
      records[id][prop].push(value);
    }
  }
  return records;
}

updateRecords(recordCollection, 5439, 'artist', 'ABBA');