Source Code: (back to article)
<div id="demo" data-author="Jane Doe" data-year="2022">Information Panel</div>
<br />
<div>author: <span id="1"></span></div>
<div>year: <span id="2"></span></div>
<script>
const element = document.getElementById("demo");
const span1 = document.getElementById("1");
const span2 = document.getElementById("2");
span1.innerHTML = element.dataset.author;
span2.innerHTML = element.dataset.year;
</script>