![](/img/trans.png)
[英]I am trying to bind the same function to two images. When I click on an Img, I want that image to be resized only, not all images
[英]I am trying to change images in carousal when i click to small images but getting error
我有 Carousal Slider,我試圖在點擊小圖片時更改圖片,但不幸的是出現錯誤,請幫助我如何解決這個問題,謝謝。
請檢查錯誤 Uncaught TypeError: Cannot read properties of undefined (reading 'className')
jquery 腳本
var slideIndex = 1;
showSlides(slideIndex);
// Next/previous controls
function plusSlides(n) {
showSlides(slideIndex += n);
}
// Thumbnail image controls
function currentSlide(n) {
showSlides(slideIndex = n);
}
**script**
function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("demo");
var captionText = document.getElementById("caption");
if (n > slides.length) {slideIndex = 1}
if (n < 1) {slideIndex = slides.length}
for (i = 0; i < slides.length; i++) {
slides[i].style.display = "none";
}
for (i = 0; i < dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
captionText.innerHTML = dots[slideIndex-1].alt;
}
Html 查看
<!--Start Carousel wrapper -->
<div class="col-md-4 me-5">
<div id="carouselExampleIndicators" class="carousel slide carousel-fade" data-mdb-
ride="carousel">
<!-- Slides -->
<div class="carousel-inner mb-5">
@foreach ($marchandiseShop->marchandiseDetails as $key => $value)
<div class="carousel-item {{$key == 0 ? 'active' : '' }}">
<img src="{{ Config('wfh.file').$value->images}}" class="d-block w-100" alt="..." data-mdb-toggle="modal" data-mdb-target="#lightbox"/>
</div>
@endforeach
</div>
<!-- Slides -->
<!-- Thumbnails -->
<div class="carousel-indicators" style="margin-bottom: -20px;">
@foreach ($marchandiseShop->marchandiseDetails as $key => $value)
<button type="button" data-mdb-target="#carouselExampleIndicators" data-mdb-slide-to="0" class="{{$key == 0 ? 'active' : '' }}"
aria-current="true" aria-label="Slide 1" style="width: 100px;">
<img class="d-block w-100"
src="{{ Config('wfh.file').$value->images}}" class="img-fluid" />
</button>
@endforeach
</div>
<!-- Thumbnails -->
</div>
<!-- Carousel wrapper -->
你應該使用 FOR 循環來建立小圖片和幻燈片之間的關系。 同時 for 循環是必要的,以將活動 class 添加到每個相關幻燈片。 看這個例子:
<div class="col-md-4 me-5">
<div id="carouselExampleIndicators" class="carousel slide carousel-fade" data-mdb-ride="carousel">
<div class="carousel-inner mb-5">
</div>
<div class="carousel-indicators" style="margin-bottom: -20px;">
</div>
</div>
</div>
@foreach ($marchandiseShop->marchandiseDetails as $value)
<script>
$(document).ready(function(){
for(let k = 0; k < 1; k++) {
$('<div class="carousel-item"><img src="{{ Config('wfh.file').$value->images}}" class="d-block w-100"> </div> ').appendTo('.carousel-inner');
$('<button type="button" data-mdb-target="#carouselExampleIndicators" data-mdb-slide-to="'+k+'" aria-current="true" aria-label="Slide '+k+'" style="width: 100px;"> <img class="d-block w-100" src="{{ Config('wfh.file').$value->images}}" class="img-fluid" /> </button>').appendTo('.carousel-indicators');
}
$('.carousel-item').first().addClass('active');
$('.carousel-indicators > button').first().addClass('active');
$('#carouselExampleIndicators').carousel();
});
</script>
@endforeach
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