accruder data-id javascript
<article
id="voitureelectrique"
data-columns="3"
data-index-number="12314"
data-parent="voitures">
...
</article>
var article = document.getElementById('voitureelectrique');
article.dataset.columns // "3"
article.dataset.indexNumber // "12314"
article.dataset.parent // "voitures"
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