Javascript dataset

<input id="inpId" type="text" data-id="1">
<input id="inpName" type="text" data-user-name="lee">

console.log(document.getElementById('inpId').dataset.id);
console.log(document.getElementById('inpName').dataset.userName);
delete document.getElementById('inpId').dataset.id;

const el = document.querySelector(`[data-category="${category}"]`);