Frontend Mentor - Calculator app solution

This is my solution to the Calculator app challenge on Frontend Mentor. Frontend Mentor challenges help you improve your coding skills by building realistic projects !

Table of contents

• Overview
  • The challenge
  • Screenshot
  • Built with
  • What I learned
  • Useful resources
• Author
• Acknowledgments

The challenge

Users should be able to:

• See the size of the elements adjust based on their device's screen size ✔️
• Perform mathmatical operations like addition, subtraction, multiplication, and division ✔️
• Adjust the color theme based on their preference ✔️
• Bonus: Have their initial theme preference checked using prefers-color-scheme and have any additional changes saved in the browser ✔️

Screenshot

Built with

• Semantic HTML5 markup
• CSS custom properties
• Flexbox
• CSS Grid (first time I used Grid)
• Mobile-first workflow
• Vanilla JS (first time Vanilla JS only, I used to use Jquery most of the time)

What I learned

• I learned to use CSS grid ruleset, in a basic way.

• I also learned to use vars in CSS for the themes.

Useful resources

• StackOverflow
• w3schools

Author

• Website - Verguin Grégory
• Frontend Mentor - @Graiiig
• LinkedIn - Verguin Grégory