Tell us what’s happening:
Your code so far
i did not get the equation
// Setup
var collection = {
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(object, id, prop, value) {
if (props!=tracks && value!=""){
return prop == value;
} else if (props ==tracks || {
}
}
updateRecords(collection, 5439, 'artist', 'ABBA');
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.
Challenge: Record Collection
Link to the challenge:
I would start this problem by trying to translate these conditions into if
statements:
- If
prop
isn’t tracks
and value
isn’t an empty string, update or set that album’s prop
to value
.
- If
prop
is tracks
but the album doesn’t have a tracks
property, create an empty array and add value
to it.
- If
prop
is tracks
and value
isn’t an empty string, add value
to the end of the album’s existing tracks
array.
- If
value
is an empty string, delete the given prop
property from the album.
like this:
if (// prop isn't tracks and value isn't empty) {
// update or set that album's prop to value
}
// ...
That gives you a framework to start on, and then you can focus on turning the comments into real code.
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