30 Mind Blowing Websites For JavaScript Developer In 2023

1. CSS-Tricks - A website that offers tutorials, tips, and tricks for CSS and front-end development.
2. Smashing Magazine - A website that provides articles and resources for web developers and designers.
3. MDN Web Docs - Mozilla's website that offers documentation and resources for web developers.
4. JavaScript Weekly - A weekly newsletter that provides the latest JavaScript news, tutorials, and resources.
5. The Net Ninja - A YouTube channel with tutorials on JavaScript, React, and other web development topics.
6. Codecademy - An online learning platform that offers courses in JavaScript and other programming languages.
7. FreeCodeCamp - An online learning platform that offers coding challenges and projects in JavaScript and other programming languages.
8. W3Schools - A website that provides tutorials and documentation for HTML, CSS, JavaScript, and other web technologies.
9. A List Apart - A website that offers articles and resources for web designers and developers.
10. JavaScript Garden - A website that explores the quirks and oddities of the JavaScript programming language.
11. CSS Zen Garden - A website that showcases the creative possibilities of CSS.
12. Codepen - A social development environment for front-end developers.
13. DevDocs - A website that provides documentation for multiple programming languages and web technologies, including JavaScript.
14. Eloquent JavaScript - A book and website that provides a comprehensive introduction to the JavaScript programming language.
15. Stack Overflow - A question and answer website for programmers, including those working with JavaScript.
16. SitePoint - A website that offers articles and resources for web developers and designers.
17. Scotch.io - A website that offers tutorials and resources for web developers, including those working with JavaScript.
18. CSS Grid Garden - A game that teaches the basics of CSS Grid.
19. Mozilla Hacks - A website that provides articles and resources for web developers, including those working with JavaScript.
20. CodeWars - A website that offers coding challenges and exercises for JavaScript and other programming languages.
21. Frontend Masters - An online learning platform that offers courses in JavaScript, React, and other front-end development topics.
22. Udemy - An online learning platform that offers courses in JavaScript and other programming languages.
23. JavaScript.info - A website that provides in-depth tutorials and guides on JavaScript programming language.
24. Codeburst.io - A website that offers articles and resources on JavaScript, Node.js, and front-end development.
25. JSFiddle - An online code editor and playground for JavaScript, HTML and CSS.
26. Node.js Foundation - A website that provides documentation and resources for Node.js, a JavaScript runtime environment.
27. D3.js - A JavaScript library for data visualization on the web.
28. Vue.js - A progressive JavaScript framework for building user interfaces.
29. ReactJS - A JavaScript library for building user interfaces.
30. JavaScript Jabber - A weekly podcast that discusses the latest news and trends in the JavaScript community.

These websites can help JavaScript developers stay up-to-date with the latest trends, tools, and best practices in the industry as well as improve their skills and knowledge. As the JavaScript language and its ecosystem continue to evolve, it's important for developers to keep learning and growing.