To thrive as a Teen Javascript Developer, you should have a strong understanding of JavaScript, HTML, and CSS, along with a passion for coding and a willingness to learn. Familiarity with version control systems like Git, code editors such as Visual Studio Code, and platforms like GitHub is beneficial, while some may choose to pursue introductory coding certifications. Strong communication, problem-solving skills, and the ability to collaborate with others help teens stand out in team environments. These abilities are crucial for building real-world software solutions, growing as a developer, and effectively contributing to collaborative projects.