A project on Udacity Front-End Web Developer Nanodegree Program.
https://symbol-cards-memory-game.appspot.com/
Just open index.html on your browser.
Click on the cards to show the symbol on the cards. When the clicked cards has the same symbol, they are completed. The symbols will still be shown. When the clicked cards doesn't have the same symbols, they are not completed. The symbols will be hidden again. Your mission to complete full grid. Moves counter shows your current count of moves. The more move, the less stars to earn. When you complete the full grid, the game will show you your time and how many star you got.
https://getbootstrap.com/docs/4.0/getting-started/introduction/
https://internetingishard.com/html-and-css/css-box-model/
https://getbootstrap.com/docs/4.0/layout/grid/
https://getbootstrap.com/docs/4.0/components/modal/
https://developer.mozilla.org/
https://stackoverflow.com/a/2604459 by: SLaks
https://stackoverflow.com/a/16695520 by: Maurizio Battaghini
https://stackoverflow.com/a/596503 by: moonshadow
https://stackoverflow.com/a/109091 by: John Millikin
https://stackoverflow.com/a/13183713 by: Chase
https://stackoverflow.com/a/1232046 by: Philippe Leybaert
https://stackoverflow.com/a/10481634 by: Larry K
https://github.com/daneden/animate.css
https://daneden.github.io/animate.css/
https://www.youtube.com/watch?v=CBQGl6zokMs