下载的bootstrap模版有css,js,vendor三个文件夹,vendor里面有bootstrap,jquery,jquery-easing,popper,里面有不少min.js文件,index.html中调用的:
<link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="css/scrolling-nav.css" rel="stylesheet">
<!-- Bootstrap core JavaScript -->
<script src="vendor/jquery/jquery.min.js"></script>
<script src="vendor/popper/popper.min.js"></script>
<script src="vendor/bootstrap/js/bootstrap.min.js"></script>
<!-- Plugin JavaScript -->
<script src="vendor/jquery-easing/jquery.easing.min.js"></script>
<!-- Custom JavaScript for this theme -->
<script src="js/scrolling-nav.js"></script>
不太明白其中的关系?