Best Seller. Scopri gli orologi della Longines Record Collection: quando la tradizione si combina con l’arte orologiera! L’eccellenza degli orologi classici automatici.
15 ago 2016 · I am doing the Freecodecamp tutorial, but i'm stuck here. Wrote the following code but it steel doesn't work: function updateRecords (id, prop, value) { if (value!=="") { if (prop==="tracks") collection [id] [prop].push (value); else collection [id] [prop] =value; }else delete collection [id] [prop]; return collection; }
- How to Understand The Function Parameters
- How to Tackle The Rules For The Challenge
- Conclusion
Parameters are special types of variables that are passed into the function and act as placeholders for the real values. When the function is called, then we will use the real values which are known as arguments. This is an example of Record Collection's function parameters. The recordsparameter represents an object literal. Here is the object lite...
The key to passing this challenge is to break down all four of these rules and tackle them one at a time. Here are the four rules we have to include in our function: 1. If prop isn't tracks and value isn't an empty string, update or set that album's prop to value. 2. If prop is tracks but the album doesn't have a tracks property, create an empty ar...
I hope this walk through of Record Collectionhelped you understand how to solve the challenge. We covered a lot of different methods and learned how to break down a problem into smaller pieces. Best of luck on the rest of your JavaScript journey.
function updateRecords(records, id, prop, value) { // Access target album in record collection const album = records[id]; // Update the album if (value === "") { delete album[prop]; } else if (prop !== "tracks") { album[prop] = value; } else { album["tracks"] = album["tracks"] || []; album["tracks"].push(value); } // Return the full collection ...
Record Collection . You are given a JSON object representing (a small part of) your record collection. Each album is identified by a unique id number (its key) and has several properties. Not all albums have complete information. . Write a function which takes an id, a property (prop), and a value. . For the given id in collection:
Record Collection è il terzo album del DJ britannico Mark Ronson, pubblicato il 27 settembre 2010 dalla Allido / RCA / Columbia / J Indice 1 Tracce 2 Classifiche 3 Note 4 Collegamenti esterni Tracce Bang Bang Bang (featuring Q-Tip e MNDR) - 3:53 Lose It (In the End) (featuring Ghostface Killah e Alex Greenwald) - 2:25
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- Record Collection
Album di Mark Ronson del 2010
Record Collection è il terzo album del DJ britannico Mark Ronson, pubblicato il 27 settembre 2010 dalla Allido/RCA/Columbia/J 1. "Bang Bang Bang" - 3:53 2. "Lose It (In the End)" - 2:25 3. "The Bike Song" - 4:25 4. wikipedia.org
- September 28, 2010
