My bootstrap drop down button isn't functioning correctly even after ensuring all necessary javascript and popper libraries are included as per npm download.
<!DOCTYPE html>
<html lang="en">
<head>
<title>three grid </title>
<meta charset="utf-8>
<meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no">
<link rel="stylesheet" type="text/css" href="css/bootstrap.css">
<link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>
<div class="container">
<br><br><br>
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">
Dropdown button
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
</div>
<script src="js/jquery.min.js type=text/javascript"></script>
<script src="popper/popper.min.js type=text/javascript"></script>
<script src="js/bootstrap.min.js type=text/javascript"></script>
</body>
</html>