Continuation
https://github.com/eu81273/jsfiddle-console
HTML
<script src="https://rawgit.com/eu81273/jsfiddle-console/master/console.js"></script>JavaScript
//https://medium.com/@dimpapadim3/promises-made-simple-in-javascript-db9e3bc39537
//Rediscovering Promises in Javascript
const toCont=v=>callback=>callback(v);
toCont(x=>x*x)
(y=>toCont(y(4))
(t=>console.log(t)));