有没有办法删除页面导航链接上的背景颜色而不将其从幻灯片小部件中删除?

问题描述 投票:0回答:1

我附上了一张屏幕截图,可以更好地解释我想要实现的目标。我无法弄清楚如何删除网站页面导航链接上显示的背景颜色,而不使背景颜色从页面上幻灯片放映的点中消失。我可以添加一些额外的代码来区分两者吗?

这是有问题的代码部分:

.active, .dot:hover {
  background-color: #717171;
}

这是我用于幻灯片放映的完整代码:

let slideIndex = 1;
showSlides(slideIndex);

function plusSlides(n) {
  showSlides(slideIndex += n);
}

function currentSlide(n) {
  showSlides(slideIndex = n);
}

function showSlides(n) {
  let i;
  let slides = document.getElementsByClassName("mySlides");
  let dots = document.getElementsByClassName("dot");
  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";
}
* {box-sizing: border-box}
body {font-family: Verdana, sans-serif; margin:0}
.mySlides {display: none}
img {vertical-align: middle;}

/* Slideshow container */
.slideshow-container {
  max-width: 570px;
  position: relative;
  margin: auto;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -22px;
  color: #444444;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(255,255,255,0.8);
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}

/* On smaller screens, decrease text size */
@media only screen and (max-width: 300px) {
  .prev, .next,.text {font-size: 11px}
}
<meta name="viewport" content="width=device-width, initial-scale=1">
<div class="slideshow-container">

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_01.png" style="width:100%">
</div>

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_02.png" style="width:100%">
</div>

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_03.png" style="width:100%">
</div>

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_04.png" style="width:100%">
</div>

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_05.png" style="width:100%">
</div>

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_06.png" style="width:100%">
</div>

<div class="mySlides fade">
  <img src="https://xofarragio.com/resources/bags/bag_1080x1080_07.png" style="width:100%">
</div>

<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>

</div>
<br>

<div style="text-align:center">
  <span class="dot" onclick="currentSlide(1)"></span> 
  <span class="dot" onclick="currentSlide(2)"></span> 
  <span class="dot" onclick="currentSlide(3)"></span> 
  <span class="dot" onclick="currentSlide(4)"></span> 
  <span class="dot" onclick="currentSlide(5)"></span> 
  <span class="dot" onclick="currentSlide(6)"></span> 
  <span class="dot" onclick="currentSlide(7)"></span> 
</div>

我对如何操作代码的了解有限,因此除了删除有问题的代码行之外,我无法弄清楚它。

问题截图

html css slideshow
1个回答
0
投票

定义一个范围来限制规则的影响范围。 “.active”类很常见,因此可能会与网站上的其他元素发生冲突。

例如:

.slideshow-container .dot.active, .slideshow-container .dot:hover {
  background-color: #717171;
}

一些提示:

  • 使用更具体的类来定位元素。例如,使用 .nav-link.active 用于导航链接,.dot.active 用于幻灯片放映 点。
  • 考虑使用 BEM(块元素修饰符)等命名约定 组织你的课程。例如,使用 .slideshow__dot--active。
  • 确保您创建的类在 避免冲突的具体方法。
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