A test of the "Tube" operator (pipe operator) using parcel https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Op%C3%A9rateurs/Tube
const double = x => x * 2
const add100 = x => x + 100
const setResult = result => document.getElementById("result").innerText = result
document.getElementById("value").addEventListener("keyup", function(_) {
this.value
|> double
|> add100
|> setResult
})