Restaurant Product list with cart solution

This is a solution to the Product list with cart challenge on Frontend Mentor.

Table of contents

• Overview
  • The challenge
  • Screenshot
  • Links
• My process
  • Built with
  • What I learned

Overview

The challenge

Users should be able to:

• Add items to the cart and remove them
• Increase/decrease the number of items in the cart
• See an order confirmation modal when they click "Confirm Order"
• Reset their selections when they click "Start New Order"
• View the optimal layout for the interface depending on their device's screen size
• See hover and focus states for all interactive elements on the page

Screenshot

Links

• Live Site URL: Add live site URL here

My process

Built with

• HTML5 markup
• CSS custom properties
• Flexbox
• CSS Grid
• Mobile-first workflow
• React - JS library
• useContext hook
• createPortal method from react

What I learned

• how to use useContext in react children and share data between the childrens
• how to use useRef to render the useEffect after first render
• use Object method to update and delete data from state
• use callback function to return data to parent
• dynamic object property existance check using 'object[variable]===undefined' method
• Math.max(prev-1,0) method to prevent accidental negative cart value