JS Tutorial

This article talks about an error that can happen when using JavaScript in your web projects. It's about an error message that might show up, saying something like "'TypeError: Cannot read properties of null (reading 'addEventListener')'". If you're curious about this error or facing it in your project, by the end of this article, you'll know how to fix it and stop it from happening again in the future.

This article explores the reasons underlying the JavaScript TypeError: cannot set properties of undefined and presents viable solutions for addressing it. Moreover, I will present code snippets that exemplify situations giving rise to this error and provide corresponding code snippets that offer solutions to fix the problem.