Tell us what’s happening:
I can not understand the meaning of the code. What it means ? What i have to do ? What do they mean by Updating the record? explain What I have to do in this challenge.
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 (value === '')
{
delete records[id][prop];
}
else if (prop !== "tracks" && value !=='')
{
records[id][prop] = value;
}
else if (prop === "tracks" && value !=='')
{
if (records[id].hasOwnProperty("tracks")=== false)
{
records[id][prop] = '';
}
records[id][prop].push(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/113.0.0.0 Safari/537.36
Challenge: Basic JavaScript - Record Collection
Link to the challenge: