Add Event By ID to Read Data Attribute

// <button id="btn01" data-info="some-info">Click Button</button>

var click00 = document.getElementById("btn01");
click00.addEventListener("click", doEventClick)

function doEventClick(event){
    var thisId = event.target.id;
    var thisInfo = event.target.getAttribute("data-info");
    console.log(thisId + " : " + thisInfo);
}