<body>
<div id="div">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
</div>
</body>
[JS]
<script>
var div = document.getElementById('div');
div.addEventListener('change', function (e) {
e = e.target || e.srcElement;
console.log(e.value)
},false)
</script>
[/JS]