Fading

fadeIn & fadeOut HTML elements as a Promise, with ~200 bytes gzipped.

$3

``js
let el = document.getElementById("#button");

fadeIn(el, 600)
.then(() => {
console.log("Fade in complete!");
});
`

$3

`js
let el = document.getElementById("#button");

fadeOut(el, 600)
.then(() => {
console.log("Fade out complete!");
});
``