<html>
<head>
<style>
div{
   border: 1px solid black;
   width: 50px;
   height: 50px;
}
</style>
<script>
window.onload = function(){
var divv = document.getElementsByTagName("div");
   for(i=0; i<divv.length; i++){
      divv[i].onclick = function(){
        alert(i);
   }
   }
}
</script>
</head>
<body>
<div></div>
<div></div>
<div></div>
</body>
</html>
This is my code. I want to show the user the index of the div they are clicking everytime they click the div, but every time I click different div, it alert the same value which is 3 
 
    