JavaScript Playground
JavaScript Playground can be used as an advanced calculator. The result of the script execution can be viewed immediately; additionally, the console object can be used; structured console results can be browsed as it is done in the JavaScript IDE and debuggers. With playgroundAPI, it can be used as a tool for demonstration and teaching of JavaScript techniques.
Besides, PlaygroundAPI can be used to demonstrate pre-created code and JavaScript techniques, see javascript-playground/demo.playgroundAPI and live demo.
JavaScript Playground can be used as a PWA. To install it, load the JavaScript Playground page and hit the button Install. This installation is 100% off-line. PlaygroundAPI can also be used with an installed PWA. Please see javascript-playground/demo.playgroundAPI.PWA and javascript-playground/demo.playgroundAPI.PWA/readme.txt.
Original publication:
https://www.codeproject.com/Articles/5291705/JavaScript-Playground
Compatibility
JavaScript Playground can be used directly with nearly any modern Web browser.
However, playgroundAPI cannot work with some browsers. Recommended are the browsers based on Blink+V8 engines. It includes Chromium, Chrome, Opera, Vivaldi, the latest Microsoft Edge (Chromium-based), and more...