我正在尝试制作一个简单的 cordova 应用程序,并且我正在尝试包含一个按钮事件,当用户单击它时,会弹出一个警报。然而,到目前为止我没有任何运气。我很确定我已经为警报安装了所有正确的插件,但仍然没有。
这是我的js代码:
var app = {
// Application Constructor
initialize: function() {
this.bindEvents();
},
// Bind Event Listeners
//
// Bind any events that are required on startup. Common events are:
// 'load', 'deviceready', 'offline', and 'online'.
bindEvents: function() {
document.addEventListener('deviceready', this.onDeviceReady, false);
},
// deviceready Event Handler
//
// The scope of 'this' is the event. In order to call the 'receivedEvent'
// function, we must explicitly call 'app.receivedEvent(...);'
onDeviceReady: function() {
app.receivedEvent('deviceready');
window.analytics.startTrackerWithId('');
window.analytics.trackView('Hello World');
},
// Update DOM on a Received Event
receivedEvent: function(id) {
var parentElement = document.getElementById(id);
var listeningElement = parentElement.querySelector('.listening');
var receivedElement = parentElement.querySelector('.received');
listeningElement.setAttribute('style', 'display:none;');
receivedElement.setAttribute('style', 'display:block;');
console.log('Received Event: ' + id);
},
};
app.initialize();
这是 HTML:
<html>
<head>
<meta http-equiv="Content-Security-Policy" content="default-src 'self' data: gap: https://ssl.gstatic.com 'unsafe-eval'; style-src 'self' 'unsafe-inline'; media-src *">
<meta name="format-detection" content="telephone=no">
<meta name="msapplication-tap-highlight" content="no">
<meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width">
<link rel="stylesheet" type="text/css" href="css/index.css">
<title>Hello World</title>
</head>
<body>
<div class="app">
<h1>hello</h1>
<div id="deviceready" class="blink">
<p class="event listening">Jump on it</p>
<p class="event received">Party on wayne</p>
</div>
<div>
<button id="myBtn" onclick="click()">click</button>
</div>
</div>
<script type="text/javascript" src="cordova.js"></script>
<script type="text/javascript" src="js/index.js"></script>
<script type="text/javascript"> function click()= {alert("clicked");}</script>
</body>
</html>
如果有人能帮忙,我将不胜感激。
你不调用你的点击函数,这就是问题所在。一个简单的例子:
<button id="myBtn" onclick="app.click()">Click me</button>
如果你的应用程序变得更加复杂,你应该在你的javascript中有一个事件侦听器,那么就不需要内联javascript了。
下一个:我,你打电话给像你的跟踪器这样的外部来源,你需要白听这个来源。