xxxxxxxxxxvar element = document.querySelector('.element');var dataAttribute = element.getAttribute('data-name');// replace "data-name" with your data attribute nameconsole.log(dataAttribute);xxxxxxxxxx//get data-id attribute in plain Javascriptvar element = document.getElementById('myDivID');var dataID = element.getAttribute('data-id');//get data-id using jQueryvar dataID = $('myDivID').data('data-id');xxxxxxxxxx//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')))xxxxxxxxxxdocument.querySelectorAll('[data-foo]');xxxxxxxxxx// <div id="element" data-name="john"></div>const el = document.querySelector('#element')el.dataset.name // 'john'xxxxxxxxxxGet data attribute