Comment attacher les données avec un élément en JavaScript

HTML>
<article
  id="electric-cars"
  data-columns="3"
  data-index-number="12314"
  data-parent="cars">
...
</article>

JS>
const article = document.querySelector('#electric-cars');
// The following would also work:
// const article = document.getElementById("electric-cars")

article.dataset.columns // "3"
article.dataset.indexNumber // "12314"
article.dataset.parent // "cars"
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