这里有一个引号滑块，它显示下一个或上一个引号幻灯片以及来自"的fadeInUp动画；。r1"；动画课，好的
但现在我想，当我点击下一个或上一个按钮时，引号必须不仅不显示，而且用"消失；。r2"；fadeOutUp动画类。
简单来说，当我点击下一个或上一个按钮时，当前引号幻灯片必须用.r2动画消失，然后与之平行的下一个引号必须用.r1类动画出现。
这怎么可能？
提前谢谢。爱你助人：(
在这里查看我的所有代码：
var slideIndex = 1;
showSlides(slideIndex);
function plusSlides(n) {
showSlides(slideIndex += n);
}
function currentSlide(n) {
showSlides(slideIndex = n);
}
function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var 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";
}<style>
/* animation Classes start */
.r1 {
animation: fadeInUp 1000ms both
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translate3d(0, 100%, 0);
}
to {
opacity: 1;
transform: translate3d(0, 0, 0);
}
}
.r2 {
animation: fadeOutUp 1000ms both
}
@keyframes fadeOutUp {
from {
opacity: 1;
}
to {
opacity: 0;
transform: translate3d(0, -100%, 0);
}
}
/* animation Classes End */
</style>
<style>
* {box-sizing: border-box}
body {font-family: Verdana, sans-serif; margin:0}
/* Slideshow container */
.slideshow-container {
position: relative;
background: #f1f1f1f1;
}
/* Slides */
.mySlides {
display: none;
padding: 80px;
text-align: center;
}
/* Next & previous buttons */
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -30px;
padding: 16px;
color: #888;
font-weight: bold;
font-size: 20px;
border-radius: 0 3px 3px 0;
user-select: none;
}
/* Position the "next button" to the right */
.next {
position: absolute;
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(0,0,0,0.8);
color: white;
}
/* The dot/bullet/indicator container */
.dot-container {
text-align: center;
padding: 20px;
background: #ddd;
}
/* 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;
}
/* Add a background color to the active dot/circle */
.active, .dot:hover {
background-color: #717171;
}
/* Add an italic font style to all quotes */
q {font-style: italic;}
/* Add a blue color to the author */
.author {color: cornflowerblue;}
</style>
</head>
<body>
<div class="slideshow-container">
<div class="mySlides r1">
<q>I love you the more in that I believe you had liked me for my own sake and for nothing else</q>
<p class="author">- John Keats</p>
</div>
<div class="mySlides r1">
<q>But man is not made for defeat. A man can be destroyed but not defeated.</q>
<p class="author">- Ernest Hemingway</p>
</div>
<div class="mySlides r1">
<q>I have not failed. I've just found 10,000 ways that won't work.</q>
<p class="author">- Thomas A. Edison</p>
</div>
<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>
</div>
<div class="dot-container">
<span class="dot" onclick="currentSlide(1)"></span>
<span class="dot" onclick="currentSlide(2)"></span>
<span class="dot" onclick="currentSlide(3)"></span>
</div>我希望，当我点击下一个或上一个按钮时，当前引号幻灯片必须与.r2动画一起消失，然后与之平行的下一个引号必须与.r1类动画一起出现。
提前谢谢。爱你助人：(
为了在第一个动画之后执行动画，可以使用animationend事件。您现在的代码是：
var slideIndex = 1;
showSlides(slideIndex);
function plusSlides(n) {
showSlides(slideIndex += n);
}
function currentSlide(n) {
showSlides(slideIndex = n);
}
function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
if (n > slides.length) {slideIndex = 1}
if (n < 1) {slideIndex = slides.length}
for (i = 0; i < slides.length; i++) {
if (slides[i].style.display == 'block') {
slides[i].className = slides[i].className.replace("r1", "r2");
}
}
for (i = 0; i < dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
if (document.querySelectorAll('.mySlides.r2').length == 0) {
// first slide to fade....
slides[slideIndex-1].style.display = "block";
}
dots[slideIndex-1].className += " active";
}
document.querySelectorAll('.mySlides').forEach(function(ele) {
ele.addEventListener('animationend', function(e) {
var prevEle = document.querySelector('.mySlides.r2');
if (prevEle != null) {
prevEle.style.display = 'none';
prevEle.classList.remove("r2");
prevEle.classList.add("r1");
var slides = document.getElementsByClassName("mySlides");
slides[slideIndex - 1].style.display = "block";
}
})
})/* animation Classes start */
.r1 {
animation: fadeInUp 1000ms both
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translate3d(0, 100%, 0);
}
to {
opacity: 1;
transform: translate3d(0, 0, 0);
}
}
.r2 {
animation: fadeOutUp 1000ms both
}
@keyframes fadeOutUp {
from {
opacity: 1;
}
to {
opacity: 0;
transform: translate3d(0, -100%, 0);
}
}
/* animation Classes End */
* {box-sizing: border-box}
body {font-family: Verdana, sans-serif; margin:0}
/* Slideshow container */
.slideshow-container {
position: relative;
background: #f1f1f1f1;
}
/* Slides */
.mySlides {
display: none;
padding: 80px;
text-align: center;
}
/* Next & previous buttons */
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -30px;
padding: 16px;
color: #888;
font-weight: bold;
font-size: 20px;
border-radius: 0 3px 3px 0;
user-select: none;
}
/* Position the "next button" to the right */
.next {
position: absolute;
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(0,0,0,0.8);
color: white;
}
/* The dot/bullet/indicator container */
.dot-container {
text-align: center;
padding: 20px;
background: #ddd;
}
/* 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;
}
/* Add a background color to the active dot/circle */
.active, .dot:hover {
background-color: #717171;
}
/* Add an italic font style to all quotes */
q {font-style: italic;}
/* Add a blue color to the author */
.author {color: cornflowerblue;}<div class="slideshow-container">
<div class="mySlides r1">
<q>I love you the more in that I believe you had liked me for my own sake and for nothing else</q>
<p class="author">- John Keats</p>
</div>
<div class="mySlides r1">
<q>But man is not made for defeat. A man can be destroyed but not defeated.</q>
<p class="author">- Ernest Hemingway</p>
</div>
<div class="mySlides r1">
<q>I have not failed. I've just found 10,000 ways that won't work.</q>
<p class="author">- Thomas A. Edison</p>
</div>
<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>
</div>
<div class="dot-container">
<span class="dot" onclick="currentSlide(1)"></span>
<span class="dot" onclick="currentSlide(2)"></span>
<span class="dot" onclick="currentSlide(3)"></span>
</div>无动画结束事件：
var slideIndex = 1;
showSlides(slideIndex);
function plusSlides(n) {
showSlides(slideIndex += n);
}
function currentSlide(n) {
showSlides(slideIndex = n);
}
function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
if (n > slides.length) {slideIndex = 1}
if (n < 1) {slideIndex = slides.length}
for (i = 0; i < slides.length; i++) {
if (slides[i].style.display == 'block') {
slides[i].className = slides[i].className.replace("r1", "r2");
}
}
for (i = 0; i < dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
if (document.querySelectorAll('.mySlides.r2').length == 0) {
// first slide to fade....
slides[slideIndex-1].style.display = "block";
}
dots[slideIndex-1].className += " active";
setTimeout(function() {
var prevEle = document.querySelector('.mySlides.r2');
if (prevEle != null) {
prevEle.style.display = 'none';
prevEle.classList.remove("r2");
prevEle.classList.add("r1");
var slides = document.getElementsByClassName("mySlides");
slides[slideIndex - 1].style.display = "block";
}
}, 200);
}/* animation Classes start */
.r1 {
animation: fadeInUp 1000ms both
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translate3d(0, 100%, 0);
}
to {
opacity: 1;
transform: translate3d(0, 0, 0);
}
}
.r2 {
animation: fadeOutUp 1000ms both
}
@keyframes fadeOutUp {
from {
opacity: 1;
}
to {
opacity: 0;
transform: translate3d(0, -100%, 0);
}
}
/* animation Classes End */
* {box-sizing: border-box}
body {font-family: Verdana, sans-serif; margin:0}
/* Slideshow container */
.slideshow-container {
position: relative;
background: #f1f1f1f1;
}
/* Slides */
.mySlides {
display: none;
padding: 80px;
text-align: center;
}
/* Next & previous buttons */
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -30px;
padding: 16px;
color: #888;
font-weight: bold;
font-size: 20px;
border-radius: 0 3px 3px 0;
user-select: none;
}
/* Position the "next button" to the right */
.next {
position: absolute;
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(0,0,0,0.8);
color: white;
}
/* The dot/bullet/indicator container */
.dot-container {
text-align: center;
padding: 20px;
background: #ddd;
}
/* 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;
}
/* Add a background color to the active dot/circle */
.active, .dot:hover {
background-color: #717171;
}
/* Add an italic font style to all quotes */
q {font-style: italic;}
/* Add a blue color to the author */
.author {color: cornflowerblue;}<div class="slideshow-container">
<div class="mySlides r1">
<q>I love you the more in that I believe you had liked me for my own sake and for nothing else</q>
<p class="author">- John Keats</p>
</div>
<div class="mySlides r1">
<q>But man is not made for defeat. A man can be destroyed but not defeated.</q>
<p class="author">- Ernest Hemingway</p>
</div>
<div class="mySlides r1">
<q>I have not failed. I've just found 10,000 ways that won't work.</q>
<p class="author">- Thomas A. Edison</p>
</div>
<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>
</div>
<div class="dot-container">
<span class="dot" onclick="currentSlide(1)"></span>
<span class="dot" onclick="currentSlide(2)"></span>
<span class="dot" onclick="currentSlide(3)"></span>
</div>