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- // 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") {
- collection[id][prop] = collection[id][prop] || [];
- collection[id][prop].push(value);
- } else {
- collection[id][prop] = value;
- }
- return collection;
- }
- updateRecords(5439, "artist", "ABBA");
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