JavaScript vs. PlayCode vs. TypeScript vs. Rocket Visual COBOL Comparison Chart

The #1 JavaScript playground and sandbox to write, run and repl it. JavaScript playground is perfect for learning and prototyping javascript sandboxes. Fast and easy to use. Start a JavaScript playground project using ready-to-use templates. JavaScript is one of the most popular languages for web development. It is needed in order to make web pages alive. Today JavaScript can be run not only in the browser but also on the server. Learning, practicing and prototyping is much easier right in the javascript playground because the browser is designed to run javascript. This is the perfect coding IDE. In turn, PlayCode tries to use all the browser features to ensure maximum, comfortable run javascript sandbox. Read, evaluate, print, and loop, a simple pre-configured coding environment that quickly shows the JavaScript execution result. So, you just open PlayCode without installing anything, write code, and JavaScript playground runs your code instantly and shows the result.

Rocket Visual COBOL Personal Edition is a free, academic-use development environment that allows students and professionals to learn modern COBOL inside today’s most popular IDEs, including Visual Studio, Eclipse, and Visual Studio Code. It provides advanced editing, debugging, continuous background compilation, and intelligent code analysis to accelerate learning and productivity. With support for both .NET and JVM ecosystems, learners can combine COBOL with C#, Java, and other modern languages in a single toolset. Designed specifically for education and skills development, it offers a one-year student developer license at no cost. The platform helps new developers build foundational COBOL abilities while enabling experienced programmers to explore modernization techniques. With over 100,000 downloads, it remains one of the most trusted ways to learn and practice COBOL development.