<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="js/jquery-3.3.1.js" type="text/javascript" charset="utf-8"></script>
<script src="js/index.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<h1>helloworld</h1>
<!--一般情况下JS放置到最后，因为这样DOM树基本构建完成，相对应的dom操作才可以进行-->
<!--<script src="js/fangJquery.js" type="text/javascript" charset="utf-8"></script>
<script src="js/index.js" type="text/javascript" charset="utf-8"></script>-->
<!--<script src="js/index.js" type="text/javascript" charset="utf-8"></script>-->
</body>
</html>
