Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Watch a conference talk from Copenhagen Developers Festival that demonstrates how to create an interactive browser-based code editor using TypeScript and Deno Subhosting. Learn essential techniques for building secure sandboxed environments that safely execute third-party code, similar to platforms like CodePen and CodeSpaces. Discover practical approaches to enhance developer experience by implementing controlled code execution environments directly in the browser. Master the fundamentals of creating affordable and secure interactive sandboxes, which are valuable tools for showcasing SaaS products and facilitating developer onboarding to APIs and services.