assign click to button class

// sampel html...
//<div id="div01" class="btnClassName" data-info="info 01">Div One</div>
//<div id="div02" class="btnClassName" data-info="info 02">Div Two</div>

// assign event listener to class...
var btnClassList = document.getElementsByClassName("btnClassName");
for (var i = 0; i < btnClassList.length; i++) {
    btnClassList[i].addEventListener("click", btnClassClick);
}
// GET ID AND DATA-INFO FROM CLICK...
function btnClassClick(){
    var thisId = this.id;
    var thisIdSrc = document.getElementById(thisId)
    var thisDataInfo = thisIdSrc.getAttribute('data-info');
    console.log(thisId + " : " + thisDataInfo);
}