jprdonnelly/freeCodeCamp
1
0
Fork 0
mirror of https://github.com/freeCodeCamp/freeCodeCamp.git synced 2025-12-25 02:14:11 -05:00
Code Issues Projects Releases Wiki Activity

fix(curriculum): typo - replaced data with dessert (#53172)

Browse Source
This commit is contained in:
Ketan Sahu
2024-01-14 13:00:28 +05:30
committed by GitHub
parent a0dd636763
commit e9e80a7acb
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efe370bbfc4a08d500118e.md
View File

@@ -9,11 +9,11 @@ dashedName: step-24
You now have a small bug. When you try to access a property of an object and the property doesn't exist, you get `undefined`. This means if the dessert isn't already present in the `totalCountPerProduct` object, you end up trying to add `1` to `undefined`, which results in `NaN`.
To fix this, you can use the `||` operator to set the value to `0` if it doesn't exist. Wrap your right-hand `totalCountPerProduct[data.id]` in parentheses, and add `|| 0` to the end of the expression.
To fix this, you can use the `||` operator to set the value to `0` if it doesn't exist. Wrap your right-hand `totalCountPerProduct[dessert.id]` in parentheses, and add `|| 0` to the end of the expression.
# --hints--
You should wrap your right-hand `totalCountPerProduct[data.id]` in parentheses.
You should wrap your right-hand `totalCountPerProduct[dessert.id]` in parentheses.
```js
const cart = new ShoppingCart();