JavaScript Playground is described as 'The JavaScript Playground is a blog centered around short, specific posts aimed to improve a reader's knowledge of JavaScript, either written or provided as a screencast. Posts on JSP are not intended to be fully in depth, large articles but more shorter pieces that can be' and is a Code Learning service in the development category. There are more than 25 alternatives to JavaScript Playground, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Linux apps. The best JavaScript Playground alternative is freeCodeCamp, which is both free and Open Source. Other great sites and apps similar to JavaScript Playground are Codecademy, Scratch, W3Schools and tutorialspoint.