Javascript Can'；找不到变量'$'；但是我'；我包括jQuery
当我按下id测试按钮时，什么也没有发生。我在控制台的调试中确实收到了一条错误消息，但它指出： ReferenceError:找不到变量“$” 我相信这是一个jQuery错误，但我已经导入了它。代码如下：Javascript Can'；找不到变量'$'；但是我'；我包括jQuery,javascript,jquery,html,Javascript,Jquery,Html,当我按下id测试按钮时，什么也没有发生。我在控制台的调试中确实收到了一条错误消息，但它指出： ReferenceError:找不到变量“$” 我相信这是一个jQuery错误，但我已经导入了它。代码如下： <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <met
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<link rel="shortcut icon" href="../../assets/ico/favicon.ico">
<script type="text/javascript" src="http://www.parsecdn.com/js/parse-1.2.18.min.js"></script>
<script>
$("#test").click(function() {
alert("Handler for .click() called.");
});
</script>
<title>Panic App</title>
<!-- Bootstrap core CSS -->
<link href="./css/bootstrap.min.css" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="./css/cover.css" rel="stylesheet">
<!-- Just for debugging purposes. Don't actually copy this line! -->
<!--[if lt IE 9]><script src="../../assets/js/ie8-responsive-file-warning.js"></script><![endif]-->
<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div id="loginModal" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h1 class="text-center">Login</h1>
</div>
<div class="modal-body">
<form class="form col-md-12 center-block">
<div class="form-group">
<input type="text" value="b" class="form-control input-lg" id="username" placeholder="Email">
</div>
<div class="form-group">
<input type="password" value="a" class="form-control input-lg" id="password"placeholder="Password">
</div>
<div class="form-group">
<button class="bn btn-primary btn-lg btn-block" id="test" value="Sign In">Sign In</button>
<span class="pull-right"><a href="#">Register</a></span><span><a href="#">Need help?</a></span>
</div>
</form>
</div>
<div class="modal-footer">
<div class="col-md-12">
<button class="btn" data-dismiss="modal" aria-hidden="true">Cancel</button>
</div>
</div>
</div>
</div>
</div>
<div class="site-wrapper">
<div class="site-wrapper-inner">
<div class="cover-container">
<div class="masthead clearfix">
<div class="inner">
<h3 class="masthead-brand">Panic</h3>
<ul class="nav masthead-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Features</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
</div>
<div class="inner cover">
<h1 class="cover-heading">Stay Safe.</h1>
<p class="lead">Panic is a beautiful emergency notification system like no other. Using the power of cloud computing, Panic innovates in ways you've never seen.</p>
<p class="lead">
<button class="btn btn-lg btn-default" data-toggle="modal" data-target="#loginModal">Sign Up.</button>
</p>
</div>
<div class="mastfoot">
<div class="inner">
</div>
</div>
</div>
</div>
</div>
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="./js/bootstrap.min.js"></script>
<script src="./js/docs.min.js"></script>
</body>
</html>
$（“#测试”）。单击（函数（）{
警报（“调用了.click（）的处理程序”）；
});
恐慌应用
×
登录
登录
取消
恐慌
保持安全。
恐慌是一个绝无仅有的美丽的紧急通知系统。利用云计算的力量，恐慌以你从未见过的方式进行创新
注册
$在尝试使用jQuery之前，必须包含它。在jQuery初始化之后移动代码：
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="./js/bootstrap.min.js"></script>
<script src="./js/docs.min.js"></script>
<script>
$("#test").click(function() {
alert("Handler for .click() called.");
});
</script>
$（“#测试”）。单击（函数（）{
警报（“调用了.click（）的处理程序”）；
});
$（document）.ready（）