JSFiddle - React, Tailwind, and code Playground

by phejny

HTML

<nav id="left-menu">menu</nav>


content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content content...

JavaScript

var menu = window.document.getElementById('left-menu');
menu.style.position = 'absolute';
menu.style.top = '0';
menu.style.left = '0';
menu.style.width = '200px';
menu.style.height = '100vh';
menu.style.backgroundColor = '#fff';



window.document.addEventListener("scroll", function(){
	menu.style.top = window.document.body.scrollTop+'px';
});