JSFiddle - React, Tailwind, and code Playground

by Milan Gladiš

HTML

<h2></h2>
<h3></h3>

JavaScript

let isUser = false

if (isUser != true) {
  document.querySelector('h2').innerHTML = 'Som prihlaseny'
  document.querySelector('h3').innerHTML = 'moje aktivity'
} else {
  document.querySelector('h2').innerHTML = 'Neprihlaseny'
}

if (!isUser) {
  document.querySelector('h3').innerHTML = 'Nie som uzivatel, chcem vediet viac o produkte'
}

if (isUser && (isUsername === "zuzana")) {
 alert('zobraz premium content')
}