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Basic JavaScript: Record Collection

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Basic JavaScript: Record Collection

https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-javascript/record-collection/

// Setup
var collection = {
"2548": {
"album": "Slippery When Wet",
"artist": "Bon Jovi",
"tracks": [
"Let It Rock",
"You Give Love a Bad Name"
]
},
"2468": {
"album": "1999",
"artist": "Prince",
"tracks": [
"1999",
"Little Red Corvette"
]
},
"1245": {
"artist": "Robert Palmer",
"tracks": [ ]
},
"5439": {
"album": "ABBA Gold"
}
};
// Keep a copy of the collection for tests
var collectionCopy = JSON.parse(JSON.stringify(collection));

// Only change code below this line
function updateRecords(id, prop, value) {
var test = collection[id].hasOwnProperty(prop);

if (prop == "artist" && value !== "") {
collection[id]["artist"] = value;
} else if (prop == "tracks" && value !== "" && test == true) {
collection[id][prop].push(value);
} else if(prop == "tracks" && value !== "" && test == false) {
collection[id][prop] = [value];
} else if (value == "") {
delete collection[id][prop];
} else if (test == false || prop !== tracks) {
collection[id][prop] = value;
}
return collection;
}

// Alter values below to test your code
updateRecords(5439, "artist", "sd");

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