JavaScript Playground, Sandbox

You can use this page where you write the code and check the result immediately:

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions

JavaScript Sandbox

Here's one sandbox where we can play with plain vanilla JavaScript:

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment