//javascript get html data attribute <button data-id="1" >Click</button> <button data-id="2" >Click</button> <button data-id="3" >Click</button> const btns=document.querySelectorAll('button[data-id]'); [...btns].forEach(btn => console.log(btn.getAttribute('data-id')))
var element = document.querySelector('.element'); var dataAttribute = element.getAttribute('data-name'); // replace "data-name" with your data attribute name console.log(dataAttribute);
const article = document.querySelector('#electric-cars'); article.dataset.columns // "3" article.dataset.indexNumber // "12314" article.dataset.parent // "cars"