如何在jQuery Mobile中动态设置'data-collapsed'和'data-theme'？ [英] how to dynamically set the ' data-collapsed' and 'data-theme' dynamically in jQuery Mobile?
问题描述
我在运行时动态设置'data-theme'和'data-collapsed'时出现问题，我用过：
i have a problem in setting the 'data-theme' and 'data-collapsed' dynamically at run time, i used:
$(selector).attr('data-collapsed',false)
和
$(selector).attr('data-theme',b)
但它不起作用，如何使用jQuery或javascript解决这个问题？
but it doesn't work, how to solve this problem using jQuery or javascript?
推荐答案
你可以使用pagebeforecreate事件
You can do the with pagebeforecreate event
- http://jquerymobile.com/test/docs/api/events.html
请注意，通过绑定到pagebeforecreate，您可以在jQuery Mobile的默认窗口小部件自动初始化之前操作标记
。对于
示例，假设您要在HTML源代码中通过JavaScript而不是
添加数据属性，这是您要使用的事件。
Note that by binding to pagebeforecreate, you can manipulate markup before jQuery Mobile's default widgets are auto-initialized. For example, say you want to add data-attributes via JavaScript instead of in the HTML source, this is the event you'd use.
示例：
- http://jsfiddle.net/ayEWB/
JS
$('#home').live('pagebeforecreate',function(event) {
var col = $('#collapseMe');
// Alternative settings
//col.attr('data-collapsed','false');
//col.attr('data-theme','b');
col.data('collapsed',false);
col.data('theme','b');
});
HTML
<!DOCTYPE html>
<html class="ui-mobile-rendering">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>jQuery Mobile: Demos and Documentation</title>
<link rel="stylesheet" href="http://jquerymobile.com/test/css/themes/default/jquery.mobile.css" />
<script src="http://jquerymobile.com/test/js/jquery.js"></script>
<script src="http://jquerymobile.com/test/js/jquery.mobile.js"></script>
</head>
<body>
<div data-role="page" id="home">
<div data-role="content">
<div data-role="collapsible" data-theme="a" data-content-theme="a" id="collapseMe">
<h3>Header swatch A</h3>
<p>I'm the collapsible content with a themed content block set to "A".</p>
</div>
</div>
</div>
</body>
</html>
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