Twitter引导3.0图标在崩溃时更改
Twitter引导3.0图标在崩溃时更改
提问于 2013-08-09 13:05:15
我希望图标/图标在折叠时改变，即从关闭的文件夹更改为打开的文件夹。
我找了很远很远的地方，在这上面读过一些线索，但都没有用。This thread was close,基本上就是我想要的。
怎么才能让它在Bootstrap 3中工作呢？
Stack Overflow用户
发布于 2018-02-22 17:59:42
在引导中使用图标折叠多个div的完整代码。
<!DOCTYPE html>
<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">
<title>Example of Bootstrap 3 Accordion with Plus/Minus Icon</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style type="text/css">
.bs-example{
margin: 20px;
}
.panel-title .glyphicon{
font-size: 14px;
}
</style>
<script>
$(document).ready(function(){
// Add minus icon for collapse element which is open by default
$(".collapse.in").each(function(){
$(this).siblings(".panel-heading").find(".glyphicon").addClass("glyphicon-minus").removeClass("glyphicon-plus");
});
// Toggle plus minus icon on show hide of collapse element
$(".collapse").on('show.bs.collapse', function(){
$(this).parent().find(".glyphicon").removeClass("glyphicon-plus").addClass("glyphicon-minus");
}).on('hide.bs.collapse', function(){
$(this).parent().find(".glyphicon").removeClass("glyphicon-minus").addClass("glyphicon-plus");
});
});
</script>
</head>
<body>
<div class="bs-example">
<div class="panel-group" id="accordion">
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseOne"><span class="glyphicon glyphicon-plus"></span> What is HTML?</a>
</h4>
</div>
<div id="collapseOne" class="panel-collapse collapse">
<div class="panel-body">
<p>HTML stands for HyperText Markup Language. HTML is the standard markup language for describing the structure of web pages. <a href="https://www.tutorialrepublic.com/html-tutorial/" target="_blank">Learn more.</a></p>
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo"><span class="glyphicon glyphicon-plus"></span> What is Bootstrap?</a>
</h4>
</div>
<div id="collapseTwo" class="panel-collapse collapse in">
<div class="panel-body">
<p>Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development. It is a collection of CSS and HTML conventions. <a href="https://www.tutorialrepublic.com/twitter-bootstrap-tutorial/" target="_blank">Learn more.</a></p>
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseThree"><span class="glyphicon glyphicon-plus"></span> What is CSS?</a>
</h4>
</div>
<div id="collapseThree" class="panel-collapse collapse">
<div class="panel-body">
<p>CSS stands for Cascading Style Sheet. CSS allows you to specify various style properties for a given HTML element such as colors, backgrounds, fonts etc. <a href="https://www.tutorialrepublic.com/css-tutorial/" target="_blank">Learn more.</a></p>
</div>
</div>
</div>
</div>
<p><strong>Note:</strong> Click on the linked heading text to expand or collapse accordion panels.</p>
</div>
</body>
</html> 页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/18147338
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