olygood

const setBg = () => {
    const square = document.querySelector('.items');
    const randomColor = Math.floor(Math.random()*16777215).toString(16);
    
    console.log(square);
    square.style.background = "#" + randomColor;
    // console.log(square);
}
  setInterval(setBg,1000);

olygood

const canva = document.getElementById('canva');
let ctx = canva.getContext('2d');

load();
let interval = setInterval(run,1000/60);

function run()
{
    update();