JSFiddle - React, Tailwind, and code Playground

HTML

<div id="euexisto"></div>

JavaScript

console.log($());
console.log($(false));
console.log($(0));
console.log($([1, 2, 3]));
console.log($('#eunaoexisto'));
console.log($('#eunaoexisto').length);
console.log($('#euexisto'));
console.log($('#euexisto').length);