Hej, na szybkiego coś takiego:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
div {
width: 100px;
height: 20px;
border: 1px solid white;
background: black;
}
</style>
</head>
<body>
<div id="divek1"></div>
<div id="divek2"></div>
<div id="divek3"></div>
<div id="divek4"></div>
<div id="divek5"></div>
<div id="divek6"></div>
<div id="divek7"></div>
<div id="divek8"></div>
<div id="divek9"></div>
<div id="divek10"></div>
<script>
let divs = document.querySelectorAll('div');
function sprawdz(e) {
console.log(e.target.id)
}
[].forEach.call(divs, function(div) {
div.addEventListener('click', sprawdz);
});
</script>
</body>
</html>