<div id="list"></div>

html, body {
  height: 100%;
}

body {
  display: grid;
  justify-content: center;
  align-content: center;
}

const title = 'Animals'
const animal1 = 'cat'
const animal2 = 'dog'
const animal3 = 'mouse'

const list = `
<h2>${title}</h2>
<ul>
  <li>${animal1}</li>
  <li>${animal2}</li>
  <li>${animal3}</li>
</ul>`

const $list = document.getElementById('list')
$list.innerHTML = list