JSFiddle - React, Tailwind, and code Playground

by rafalry

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/seedrandom/2.4.0/seedrandom.min.js">
</script>

JavaScript

var day=Math.floor(Date.now()/(1000*60*60*24)+2);
var index = getIndex(day);
var winner=['Marta','Kamil','Patryk','Stanisław','Paweł','Przemysław','Robert','Rafał','Adam'][index];
document.write('<h1>Today\'s winner is <span style="color:lime;">'+winner+'</span></h>');

function getIndex(day) {
  Math.seedrandom(day);
  return Math.floor(Math.random()*9);
}