Tell us what’s happening:
I don’t understand what’s wrong with this code and why this test case is failing.
updateRecords(5439, "tracks", "Take a Chance on Me")
Your code so far
// 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"
}
};
// Only change code below this line
function updateRecords(id, prop, value) {
if(prop === "tracks"){
if(!collection[id].tracks){
newTracks = [];
newTracks.push(value);
collection[id][prop] = newTracks;
} else if(value.length === 0){
delete collection[id][prop];
} else {
collection[id][prop].push(value);
}
} else if(value.length !== 0) {
collection[id][prop] = value;
} else {
delete collection[id][prop];
}
return collection;
}
updateRecords(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/81.0.4044.138 Safari/537.36
.
Challenge: Record Collection
Link to the challenge: