Tell us what’s happening:
google says cannot read property ‘push’ of undefined
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 (value === "") {
delete collection[id[prop]];
} else if (prop === "tracks") {
if (id.hasOwnProperty("tracks")){
collection[id[prop]].push(value);
} else {
var tracks = [];
collection[id][prop].push(tracks);
collection[id][prop][tracks].push(value);
}
}
return collection;
}
updateRecords(5439, "tracks", "Take a Chance on Me");
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36.
Challenge: Record Collection
Link to the challenge: