Edit This Code:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("button").click(function(){
        var i;
        var x = $("li").toArray()
        for (i = 0; i< x.length; i++) {
            alert(x[i].innerHTML);
        }
    });
});
</script>
</head>
<body>

<button>Alert the value of each list item</button>

<ul>
  <li>Coffee</li>
  <li>Milk</li>
  <li>Soda</li>
</ul>

</body>
</html>


Result:
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