使用javascript外部文件提交表单
我有这个登录页面:使用javascript外部文件提交表单,javascript,forms,Javascript,Forms,我有这个登录页面: <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" type="text/css" hr
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" type="text/css" href="css/bootstrap.css" media="screen" />
<script src="http://code.jquery.com/jquery.js"></script>
<script type="text/javascript" src="js/loader.js"></script>
</head>
<body>
<div id ="header_login"></div>
<div id ="fdm_intro"></div>
<div id="footer"></div>
</body>
</html>
和休止标题:
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" type="text/css" href="css/bootstrap.css" media="screen" />
<script type="text/javascript" src="login.js"></script>
<script src="login.js"></script>
</head>
<body>
<div id ="header">
<div class="navbar">
<div class="navbar-inner">
<a class="brand" href="#"> Flight Data Monitor</a>
<form name="login" action="" method="GET" class="navbar-form pull-right">
<input type="text" class="span2" placeholder="Username" name="username">
<input type="text" class="span2" placeholder="Password" name="password">
<button type="submit" class="btn" onclick="login(this.form);" >Entrar</button>
</form>
</div>
</div>
</div>
</body>
</html>
问题:我无法在login.js中发出警报。我的表单似乎没有调用javascript。。。。有什么帮助吗?您忘记在html页面中添加Jquery引用了。试试这个代码
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" type="text/css" href="css/bootstrap.css" media="screen" />
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="login.js"></script>
</head>
<body>
<div id ="header">
<div class="navbar">
<div class="navbar-inner">
<a class="brand" href="#"> Flight Data Monitor</a>
<form name="login" action="" method="GET" class="navbar-form pull-right">
<input type="text" class="span2" placeholder="Username" name="username">
<input type="text" class="span2" placeholder="Password" name="password">
<button type="submit" class="btn" onclick="login(this.form);" >Entrar</button>
</form>
</div>
</div>
</div>
</body>
</html>
两个问题:您的login.js是否与第二个html文件位于同一目录中?您是否声明了一个名为login的函数?为什么为login.js编写了两个脚本?如果你把login.js放在这里会更好。检查login.js是否正在使用控制台加载,或者是否正在加载。如果你能显示login.js中的内容也会更好。
$(document).ready(function() {
alert();
});