Basic JavaScript - Record Collection

Tell us what’s happening:
Describe your issue in detail here.

  **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
function updateRecords(records, id, prop, value) {
if (prop != recordCollection.tracks && value != "") { = value; 
else if (prop == recordCollection.tracks && id.hasOwnProperty(tracks) == false) { = [value];
else if (prop == recordCollection.tracks && value != "") {
else if (value == "") {
return records;

updateRecords(recordCollection, 5439, 'artist', 'ABBA');
  **Your browser information:**

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

Challenge: Basic JavaScript - Record Collection

Link to the challenge:

why cant i use dot notation to access all this?
i took a look at the solution and its very similar to what i wrote except it uses bracket notation instead.

thanks in advance!

Review this lesson:

Dot notation can only be used with literal property names, not variables.

so in this record case, when calling the function is each parameter considered a variable even if it is also a literal property name? or am i dumb and it’s because the literal property name in the called function is a string?

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Function parameters are variables. You aren’t looking for the literal prop

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That’s where I was confused thank you!

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