10 Common JavaScript Errors (And How To Fix Them!)

As a JavaScript developer, you are bound to encounter errors and bugs in your code from time to time. These errors can range from simple syntax mistakes to complex runtime issues, and they can be frustrating to deal with. On this page, you will find references for the most common errors found in JavaScript, with detailed explanations on how to fix them!

Common JavaScript Errors

The page you're viewing now acts as a sitemap for all my guides on common JavaScript errors. I've created this series for two reasons. First, I needed a way to organize the notes I have collected over the years, so what better way than to let everyone else see them also? And second, it gives me a chance to do something else when I'm not in the mood to do all my other writing.

The Guides page is designed with a dark mode design by default. I'm also working on adding a feedback form so that everyone can leave feedback in case I have made a mistake or (more likely) that something has changed in the spec (for example, in Node.js) and I haven't had a chance to get to it.

Below are all the current errors I have already covered:

I will not plaster this page with anything other than these direct links.

You can bookmark this page so that you don't always need to weave through countless other sites to find the correct answer.