<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="wrap">qqq</div>
<script>
    let oWrap = document.getElementById('wrap');
    oWrap.onclick = function () {
        alert(this === oWrap)
    }
</script>
</body>
</html>