Objects for Categorization
Learn JavaScript objects by grouping meals by type (e.g., Breakfast, Lunch, Dinner).
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You’ve been tracking daily calories, but they’re just numbers in a single list. To make the data more useful, you can organize meals by type: for example, keep all breakfasts together, all lunches together, and all dinners together. Structuring the data makes calculating per-meal totals and seeing patterns over time easier.
Typing just:
Breakfast: 400Lunch: 600Dinner: 300
It's nice, but it doesn’t help you calculate totals for each category.
What you need is an object, a structure that stores data as key–value pairs so you can categorize and organize calories by meal type.
Your project: Build “Healthy Meals Object Tracker” that groups meals into categories (Breakfast, Lunch, Dinner), calculates totals for each, and shows the overall daily total.
The programming concept
Imagine you’re making a contacts app. If you only had an array, it might look like:
["Alice", "123-4567", "Bob", "987-6543"]
A plain list of numbers doesn’t tell ...