[英]Why my JQuery code doesn't want to work while code is properly written
所以在這里我的輪播有問題。 基本上有一個按鈕,並且基於下面的 jQuery 代碼,它應該切換它的符號以在單擊后播放和暫停,並且應該播放和暫停輪播,而是在單擊它后更快地切換它。 計時器也不起作用。 對我來說,感覺就像 jQuery 本身在根文件夾內發生故障。
<div class="container">
<div class="row row-content">
<div class="col">
<div id="mycarousel" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img class="d-block img-fluid" src="img/uthappizza.png" alt="uthapizza">
<div class="carousel-caption d-none d-md-block">
<h2>Uthappizza <span class="badge badge-danger mr-2">HOT</span><span class="badge badge-pill badge-secondary mr-2">$4.99</span> </h2>
<p class="d-none d-sm-block">A unique combination of Indian Uthappam (pancake) and Italian pizza, topped with Cerignola olives, ripe vine cherry tomatoes, Vidalia onion, Guntur chillies and Buffalo Paneer.</p>
</div>
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="img/buffet.png" alt="buffet">
<div class="carousel-caption d-none d-md-block">
<h2>Weekend Grand Buffet <span class="badge badge-danger mr-2">NEW</span></h2>
<p class="d-none d-sm-block">Featuring mouthwatering combinations with a choice of five different salads, six enticing appetizers, six main entrees and five choicest desserts. Free flowing bubbly and soft drinks. All for just $19.99 per person </p>
</div>
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="img/alberto.png" alt="alberto">
<div class="carousel-caption d-none d-md-block">
<h2>Alberto Somayya</h2>
<h4>Executive Chef</h4>
<p class="d-none d-sm-block">Award winning three-star Michelin chef with wide International experience having worked closely with whos-who in the culinary world, he specializes in creating mouthwatering Indo-Italian fusion experiences. </p>
</div>
</div>
<ol class="carousel-indicators">
<li data-target="#mycarousel" data-slide-to="0" class="active"></li>
<li data-target="#mycarousel" data-slide-to="1"></li>
<li data-target="#mycarousel" data-slide-to="2"></li>
</ol>
<a class="carousel-control-prev" href="#mycarousel" role="button" data-slide="prev">
<span class="carousel-control-prev-icon"></span>
</a>
<a class="carousel-control-next" href="#mycarousel" role="button" data-slide="next">
<span class="carousel-control-next-icon"></span>
</a>
<!-- <div class="btn-group" id="carouselButton">
<button class="btn btn-danger btn-sm" id="carousel-pause">
<span class="fa fa-pause"></span>
</button>
<button class="btn btn-danger btn-sm" id="carousel-play">
<span class="fa fa-play"></span> -->
<button class="btn btn-danger btn-sm" id="carouselButton">
<span id="carousel-button-icon" class="fa fa-pause"></span>
</button>
</div>
</div>
</div>
</div>
</div>
Jquery 在這里
$(document).ready(function () {
$('#mycarousel').carousel({ interval: 2000 });
$('#carouselButton').click(function () {
if ($('#carouselButton').children('span').hasClass('fa-pause')){
$('#mycarousel').carousel('pause');
$('#carouselButton').children('span').removeClass('fa-pause');
$('#carouselButton').children('span').addClass('fa-play');
}
else if ($('#carouselButton').children('span').hasClass('fa-play')) {
$('#mycarousel').carousel('cycle');
$('#carouselButton').children('span').removeClass('fa-play');
$('#carouselButton').children('span').addClass('fa-pause');
}
});
});
您是否在 2 秒內再次單擊? 這是我導致 class 分配自行跳閘的原因。
換完課程后嘗試調用輪播。
$(document).ready(function () {
$('#mycarousel').carousel({ interval: 2000 });
$('#carouselButton').click(function () {
if ($('#carouselButton').children('span').hasClass('fa-pause')){
$('#carouselButton').children('span').removeClass('fa-pause');
$('#carouselButton').children('span').addClass('fa-play');
$('#mycarousel').carousel('pause');
}
else if ($('#carouselButton').children('span').hasClass('fa-play')) {
$('#carouselButton').children('span').removeClass('fa-play');
$('#carouselButton').children('span').addClass('fa-pause');
$('#mycarousel').carousel('cycle');
}
});
});
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