JSFiddle - React, Tailwind, and code Playground

HTML

<html>
  <body>
    <div id="video-id" onclick="inc()"></div>
    <img loading="lazy" src="" />
    <div class="lds-ring"><div></div><div></div><div></div><div></div></div>
  </body>
</html>

<!--

1. Focus on the image pane by clicking on it once.
2. Use the ←left and right→ arrow keys to change image ids.

-->

CSS

body {
  background: #fff;
}

img {
  max-width: 100%;
  z-index: 0;
}

#video-id {
  position: fixed;
  width: 100px;
  font-size: 24pt;
  top: 5;
  right: 0;
  cursor: pointer;
}

.lds-ring.hidden {
  display: none;
}
.lds-ring {
  display: block;
  position: fixed;
  width: 32px;
  height: 32px;
  padding-top: 5px;
  padding-left: 5px;
  top: 0;
  left: 0;
  z-index: 1;
}
.lds-ring div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 32px;
  height: 32px;
  margin: 8px;
  border: 8px solid #fff;
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #000 transparent transparent transparent;
}
.lds-ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

JavaScript

img = document.querySelector('img')
lds = document.querySelector('div.lds-ring')
n = 10710
img.src = `https://image.check.tv/lives/${n}/vertical.jpg`
id = document.querySelector('#video-id')
id.innerHTML = n
img.addEventListener('error', () => {
  console.log('error')
  lds.classList.add('hidden')
})
img.addEventListener('load', () => {
  console.log('load')
  lds.classList.add('hidden')
})

function render() {
  url = `https://image.check.tv/lives/${n}/vertical.jpg`
  img.src = url
  id.innerHTML = n
  lds.classList.remove('hidden')
}
function inc() { n++; render() }
function dec() { n--; render() }

document.body.addEventListener('keydown', (ev) => {
	switch (ev.code) {
  case 'ArrowLeft':
  	dec()
    break;
  case 'ArrowRight':
    inc()
    break
  }
})