Basic JavaScript - Record Collection

JavaScript
1

Tell us what’s happening:
Can someone help me, so far i thought i was doing great but i don’t know where i could have mistaken .
Your code so far

 // 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
var collectionCopy = JSON.parse(JSON.stringify(collection))
function updateRecords(records, id, prop, value) {
  if(value === ''){
  delete collection[id][prop]
  } else if (prop === 'tracks'){
  collection[id][prop] = collection|[id][prop] || [];
collection[id][prop].push(value)
} else {
  collection[id][prop] = 'value';
}
  return collection;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36

Challenge: Basic JavaScript - Record Collection

Link to the challenge:

2

What’s the collection variable used within updateRecords?

There shouldn’t be need to use any variable defined outside of the function. Everything that might be required is passed to updateRecords via parameters: records, id, prop, value.

1 Like
3

okey, thank you for your help

4

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