JSFiddle - React, Tailwind, and code Playground

by Boba Poshtar

HTML

<b>-</b>
-
<span>-</span>
<br>
<button>test</button>

JavaScript

let b = document.querySelector('b');
let s = document.querySelector('span');
let btn = document.querySelector('button');

function rnd(){
	return Math.floor(Math.random() * 5);
}

btn.onclick = function (){
	let n = rnd();
	b.innerText = n;
  switch(n) {
  	case 0: s.innerText = 'нуль';
    case 0: s.innerText = 'один';
    case 0: s.innerText = 'два';
    case 0: s.innerText = 'три';
    default: s.innerText = 'чотири';
  }
};