RunJS: JavaScript scratchpad

This is nice and primitively like DBN was … LOLOL. I love it! It’s made by Luke Haas — it’s brilliant! —JM

function* foo() {
  let x = yield 'What is x?';
  let y = yield 'What is y?';
  
  return x + y
}

let genFoo = foo();

genFoo.next();

genFoo.next(8);

genFoo.next(17);