我有一个旋转木马幻灯片放映，我可以开始(在浏览器刷新时)和暂停(myBtn2)。暂停时我需要知道当前的 slider 是什么。我怎么做？在我的代码下面
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<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/3.2.1/jquery.min.js"></script>
<script
src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="./style.css">
<script src="main.js"></script>
<style>
.carousel-inner>.item>img, .carousel-inner>.item>a>img {
width: 70%;
margin: auto;
}
</style>
</head>
<body>
<div class="container">
<button type="button" id="myBtn2" class="btn btn-danger btn-lg">Set</button>
<br>
<br>
<div id="myCarousel" class="carousel slide" data-interval="2000">
<!-- Indicators -->
<ol class="carousel-indicators">
<li class="item1 active"></li>
<li class="item2"></li>
<li class="item3"></li>
<li class="item4"></li>
</ol>
<!-- Wrapper for slides -->
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="jack-spades.png" alt="Jake Spade" width="460"
height="345">
</div>
<div class="item">
<img src="jack_dimond.jpg" alt="Jack Diamond" width="460"
height="345">
</div>
<div class="item">
<img src="queen.jpg" alt="Queen" width="460" height="345">
</div>
<div class="item">
<img src="queen_spades.jpg" alt="Queen Spade" width="460"
height="345">
</div>
</div>
<!-- Left and right controls -->
<a class="left carousel-control" href="#myCarousel" role="button">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#myCarousel" role="button">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
<script>
$(document).ready(function() {
// Activate Carousel
$("#myCarousel").carousel("cycle");
// Click on the button to stop sliding
$("#myBtn2").click(function() {
$("#myCarousel").carousel("pause");
});
// Enable Carousel Indicators
$(".item1").click(function() {
$("#myCarousel").carousel(0);
});
$(".item2").click(function() {
$("#myCarousel").carousel(1);
});
$(".item3").click(function() {
$("#myCarousel").carousel(2);
});
$(".item4").click(function() {
$("#myCarousel").carousel(3);
});
// Enable Carousel Controls
$(".left").click(function() {
$("#myCarousel").carousel("prev");
});
$(".right").click(function() {
$("#myCarousel").carousel("next");
});
});
</script>
</body>
</html>
最佳答案
$("div.active") 或 $("li.active")
关于javascript - Bootstrap 轮播 : how to know which slider it is when carousel is paused，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/44786701/