Javascript : https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/
React js : https://react.dev/learn
creating database : https://dev.mysql.com/doc/mysql-getting-started/en/)https://dev.mysql.com/doc/mysql-getting-started/en/
connecting it to node js : https://www.npmjs.com/package/mysql)https://www.npmjs.com/package/mysql