Javascript Event How to - Add event handler to new created element

Question

We would like to know how to add event handler to new created element.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
window.onload=function(){<!--from  w  ww .ja va 2  s  .  c om-->
    var idTooltip = 'test';
    var eltTooltip = document.createElement('div');
    eltTooltip.innerHTML = "test"
    eltTooltip.setAttribute('id', idTooltip);
    eltTooltip.addEventListener("click", function () {
        console.log('click');
    });
    document.body.appendChild(eltTooltip);
}
</script>
</head>
<body>
</body>
</html>

The code above is rendered as follows: