access data variable html code example
Example 1: js get data attribute
var element = document.querySelector('.element');
var dataAttribute = element.getAttribute('data-name');
// replace "data-name" with your data attribute name
console.log(dataAttribute);
Example 2: get data attribute javascript
// <div id="element" data-name="john"></div>
const el = document.querySelector('#element')
el.dataset.name // 'john'