The latest articles on DEV Community by Getnet Assefa (@getnetassefa1). https://dev.to/getnetassefa1 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F2895098%2F277714a6-f02b-4b25-a0f1-0dbe5a7ccf88.png https://dev.to/getnetassefa1 en Getnet Assefa Sun, 23 Feb 2025 05:26:22 +0000 https://dev.to/getnetassefa1/need-help-in-javascript-3059 https://dev.to/getnetassefa1/need-help-in-javascript-3059 <p>Hey everyone, I built a Tetrino game with HTML, CSS, and JavaScript, but I’m facing three issues:</p> <ol> <li><p>Tetrino Sinking – Pieces drop one extra step after touching another.</p></li> <li><p>Game-breaking Error – Second Tetrino at the base causes: Uncaught TypeError: Cannot read properties of undefined (reading 'classList').</p></li> <li><p>Scoring Bug – Score increases on contact instead of after a full row is completed.</p></li> </ol> <p>Any help debugging would be greatly appreciated! Project link: [<a href="https://github.com/getnetassefa1/tetrino-project" rel="noopener noreferrer">https://github.com/getnetassefa1/tetrino-project</a>]</p> <p>Thanks!</p> webdev javascript frontend html