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2.1 KiB
2.1 KiB
Manipulate Values
Instructions
Go buy groceries!!!
You have a grocery cart with some items you need.
The items will have a key
being the name and a value
that is the amount in grams.
Create 3 functions that works like the .filter
, .map
and .reduce
array method but for the values of your grocery cart.
filterValues
filters the values of your grocery cart.mapValues
changes the values of your grocery cart.reduceValues
that will reduce your grocery cart.
You will have a small database to help you with the groceries.
Notions
- devdocs.io/javascript/global_objects/array/filter
- devdocs.io/javascript/global_objects/array/map
- devdocs.io/javascript/global_objects/array/reduce
- devdocs.io/javascript/global_objects/object/entries
- devdocs.io/javascript/global_objects/object/fromentries
Code provided
all code provided will be added to your solution and doesn't need to be submited.
// small database with nutrition facts, per 100 grams
// prettier-ignore
const nutritionDB = {
tomato: { calories: 18, protein: 0.9, carbs: 3.9, sugar: 2.6, fiber: 1.2, fat: 0.2 },
vinegar: { calories: 20, protein: 0.04, carbs: 0.6, sugar: 0.4, fiber: 0, fat: 0 },
oil: { calories: 48, protein: 0, carbs: 0, sugar: 123, fiber: 0, fat: 151 },
onion: { calories: 0, protein: 1, carbs: 9, sugar: 0, fiber: 0, fat: 0 },
garlic: { calories: 149, protein: 6.4, carbs: 33, sugar: 1, fiber: 2.1, fat: 0.5 },
paprika: { calories: 282, protein: 14.14, carbs: 53.99, sugar: 1, fiber: 0, fat: 12.89 },
sugar: { calories: 387, protein: 0, carbs: 100, sugar: 100, fiber: 0, fat: 0 },
orange: { calories: 49, protein: 0.9, carbs: 13, sugar: 9, fiber: 0.2, fat: 0.1 },
}