Cannot change the background color of body using touchstart event listener

Question

Is there any issues with this code?

<code>

document.body.addEventListener('touchstart', window.onload = function () {
const randomColor = getRandomColor();
document.body.style.background = randomColor;
});

function getRandomColor() {
const letters = '0123456789ABCDEF';
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
</code>

Answer 1

https://code.sololearn.com/Wl1rsT9Rek5m/?ref=app

Answer 2

you can replace document.body with window also
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