javascript - 如何解决bootstrap导航条折叠效果在手机上卡的问题？-PHP中文网问答

如图，我用boostrap在电脑上调试了没问题，折叠效果不会卡顿。
但是用手机开这个网页的时候折叠效果却挺卡的，有什么解决方法吗

贴上代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <title>Good Bootstrap</title>
    <link rel="stylesheet" style="text/css" href="bootstrap.css">
    <link rel="stylesheet" style="text/css" href="style.css">
    <script src="jquery-2.2.0.js"></script>
    <script src="bootstrap.js"></script>
</head>

<body>
    <nav class="navbar navbar-inverse" role="navigation">
        <p class="container">
            <p class="navbar-header">
                <a href="#" class="navbar-brand"> Project Name</a>
                <button type="button" class="navbar-toggle" data-toggle="collapse" 
             data-target="#example-navbar-collapse">
                    <span class="sr-only"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
            </p>
            <p id="example-navbar-collapse" class="collapse navbar-collapse">
                <ul class="nav navbar-nav">
                    <li class="active"><a href="#">Home</a></li>
                    <li><a href="#">About</a></li>
                    <li><a href="#">Contact</a></li>
                </ul>
            </p>
        </p>
    </nav>    
</p>
</body>
</html>