Javascript jQuery多滑块
如何修复下面的jQuery代码,使多个滑块使用CSS类名(而不是ID)正常工作 正如你在代码笔中看到的,它到处都是,没有按预期工作。滑块工作不正常 HTML JSJavascript jQuery多滑块,javascript,jquery,html,css,Javascript,Jquery,Html,Css,如何修复下面的jQuery代码,使多个滑块使用CSS类名(而不是ID)正常工作 正如你在代码笔中看到的,它到处都是,没有按预期工作。滑块工作不正常 HTML JS var allSlides=$('.slide'); var-activeSlide=0; setInterval('autoSlide()',4000); $(“.slider next”)。单击(函数(){ 如果(activeSlide+1>=allSlides.length){ allSlides.eq(activeSlide
var allSlides=$('.slide');
var-activeSlide=0;
setInterval('autoSlide()',4000);
$(“.slider next”)。单击(函数(){
如果(activeSlide+1>=allSlides.length){
allSlides.eq(activeSlide).removeClass(“active”);
activeSlide=0;
allSlides.eq(0).addClass(“活动”);
}
否则{
allSlides.eq(activeSlide).removeClass(“active”);
activeSlide++;
allSlides.eq(activeSlide).addClass(“active”);
}
});
$(“.slider prev”)。单击(函数(){
如果(活动幻灯片-1<0){
allSlides.eq(0).removeClass(“活动”);
activeSlide=allSlides.length-1;
allSlides.eq(activeSlide).addClass(“active”);
}
否则{
allSlides.eq(activeSlide).removeClass(“active”);
活动幻灯片--;
allSlides.eq(activeSlide).addClass(“active”);
}
});
函数autoSlide(){
如果(activeSlide+1>=allSlides.length){
allSlides.eq(activeSlide).removeClass(“active”);
activeSlide=0;
allSlides.eq(0).addClass(“活动”);
}
否则{
allSlides.eq(activeSlide).removeClass(“active”);
activeSlide++;
allSlides.eq(activeSlide).addClass(“active”);
}
}
我不确定你在用滑块做什么,但我能够连接处理程序并让你开始工作。我为滑块设置了一个数组,然后在页面加载时将处理程序连接到滑块。单击滑块时,我认为您希望循环浏览滑块索引并将css类设置为活动。我在这里做的。请注意,按索引选择的滑块可能为空。根据您的使用定制答案
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title></title>
<link id="bs-css" href="https://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<link id="bsdp-css" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.8.0/css/bootstrap-datepicker.css" rel="stylesheet">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/jquery-validation@1.17.0/dist/jquery.validate.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.7.1/js/bootstrap-datepicker.min.js"></script>
<style type="text/css">
.slider {
position: relative;
width: 80%;
}
.slide {
position: relative;
opacity: 0;
}
.active {
transition: opacity 500ms ease;
opacity: 1;
}
</style>
<script type="text/javascript">
//set the array to the slide div's we have here
var allSlides = document.getElementsByClassName("slide");
var activeSlide = 0;//start at 0
setInterval('autoSlide()', 4000);
$(function () { //when the document is ready, wire up the click functions
$(".slider-next").click(function () {
if (activeSlide + 1 >= allSlides.length) {
allSlides[activeSlide].className =""; //remove any css class on this item
activeSlide = 0;
allSlides[0].className["active"]; //careful, these items maybe null
}
else {
allSlides[activeSlide].className="";
activeSlide++;
allSlides[activeSlide].className="active";
}
});
$(".slider-prev").click(function () {
if (activeSlide - 1 < 0) {
allSlides[0].className ="";
activeSlide = allSlides.length - 1;
allSlides[activeSlide].className= "active";
}
else {
allSlides[activeSlide].className= "";
activeSlide--;
allSlides[activeSlide].className ="active";
}
});
});
function autoSlide() {
if (activeSlide + 1 >= allSlides.length) {
allSlides[activeSlide].className = "";
activeSlide = 0;
allSlides[0].className ="active";
}
else {
allSlides[activeSlide].className = "";
activeSlide++;
allSlides[activeSlide].className ="active";
}
}
</script>
</head>
<body>
<div>
<div class="slider-btn">
<button class="slider-prev"><</button>
<button class="slider-next">></button>
</div>
<div class="slider">
<div class="slide active">
<h2>Slide 1</h2>
</div>
<div class="slide">
<h2>Slide 2</h2>
</div>
</div>
<div>
<p>Some other content here</p>
</div>
<div class="slider-btn">
<button class="slider-prev"><</button>
<button class="slider-next">></button>
</div>
<div class="slider">
<div class="slide active">
<h2>Slide 1</h2>
</div>
<div class="slide">
<h2>Slide 2</h2>
</div>
</div>
<div>
<p>Some other content here</p>
</div>
</div>
</body>
</html>
.滑块{
位置:相对位置;
宽度:80%;
}
.幻灯片{
位置:相对位置;
不透明度:0;
}
.主动{
过渡:不透明度500ms;
不透明度:1;
}
//将数组设置为我们这里的幻灯片分区
var allSlides=document.getElementsByClassName(“幻灯片”);
var-activeSlide=0//从0开始
setInterval('autoSlide()',4000);
$(函数(){//文档准备好后,连接click函数
$(“.slider next”)。单击(函数(){
如果(activeSlide+1>=allSlides.length){
allSlides[activeSlide].className=“;//删除此项目上的任何css类
activeSlide=0;
所有幻灯片[0]。类名[“活动”];//小心,这些项目可能为空
}
否则{
所有幻灯片[activeSlide].className=“”;
activeSlide++;
所有幻灯片[activeSlide].className=“active”;
}
});
$(“.slider prev”)。单击(函数(){
如果(活动幻灯片-1<0){
所有幻灯片[0]。className=“”;
activeSlide=allSlides.length-1;
所有幻灯片[activeSlide].className=“active”;
}
否则{
所有幻灯片[activeSlide].className=“”;
活动幻灯片--;
所有幻灯片[activeSlide].className=“active”;
}
});
});
函数autoSlide(){
如果(activeSlide+1>=allSlides.length){
所有幻灯片[activeSlide].className=“”;
activeSlide=0;
所有幻灯片[0]。className=“活动”;
}
否则{
所有幻灯片[activeSlide].className=“”;
activeSlide++;
所有幻灯片[activeSlide].className=“active”;
}
}
幻灯片1
幻灯片2
这里还有其他一些内容
幻灯片1
幻灯片2
这里还有其他一些内容
谢谢,但这似乎不起作用,因为它只是在每个滑块中随机显示“幻灯片2”,而不隐藏“幻灯片1”。滑块一次只能显示一张幻灯片,带有自动播放和下一个/上一个按钮,这些按钮似乎也不起作用,并给出控制台错误“Uncaught TypeError:无法设置未定义的属性'className'。
.slider {
position: relative;
width: 80%;
}
.slide {
position: absolute;
opacity: 0;
}
.active {
transition: opacity 500ms ease;
opacity:1;
}
var allSlides = $('.slide');
var activeSlide = 0;
setInterval('autoSlide()', 4000);
$(".slider-next").click(function() {
if (activeSlide+1 >= allSlides.length) {
allSlides.eq(activeSlide).removeClass("active");
activeSlide = 0;
allSlides.eq(0).addClass("active");
}
else {
allSlides.eq(activeSlide).removeClass("active");
activeSlide++;
allSlides.eq(activeSlide).addClass("active");
}
});
$(".slider-prev").click(function() {
if (activeSlide-1 < 0) {
allSlides.eq(0).removeClass("active");
activeSlide = allSlides.length-1;
allSlides.eq(activeSlide).addClass("active");
}
else {
allSlides.eq(activeSlide).removeClass("active");
activeSlide--;
allSlides.eq(activeSlide).addClass("active");
}
});
function autoSlide() {
if (activeSlide+1 >= allSlides.length) {
allSlides.eq(activeSlide).removeClass("active");
activeSlide = 0;
allSlides.eq(0).addClass("active");
}
else {
allSlides.eq(activeSlide).removeClass("active");
activeSlide++;
allSlides.eq(activeSlide).addClass("active");
}
}
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title></title>
<link id="bs-css" href="https://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<link id="bsdp-css" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.8.0/css/bootstrap-datepicker.css" rel="stylesheet">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/jquery-validation@1.17.0/dist/jquery.validate.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.7.1/js/bootstrap-datepicker.min.js"></script>
<style type="text/css">
.slider {
position: relative;
width: 80%;
}
.slide {
position: relative;
opacity: 0;
}
.active {
transition: opacity 500ms ease;
opacity: 1;
}
</style>
<script type="text/javascript">
//set the array to the slide div's we have here
var allSlides = document.getElementsByClassName("slide");
var activeSlide = 0;//start at 0
setInterval('autoSlide()', 4000);
$(function () { //when the document is ready, wire up the click functions
$(".slider-next").click(function () {
if (activeSlide + 1 >= allSlides.length) {
allSlides[activeSlide].className =""; //remove any css class on this item
activeSlide = 0;
allSlides[0].className["active"]; //careful, these items maybe null
}
else {
allSlides[activeSlide].className="";
activeSlide++;
allSlides[activeSlide].className="active";
}
});
$(".slider-prev").click(function () {
if (activeSlide - 1 < 0) {
allSlides[0].className ="";
activeSlide = allSlides.length - 1;
allSlides[activeSlide].className= "active";
}
else {
allSlides[activeSlide].className= "";
activeSlide--;
allSlides[activeSlide].className ="active";
}
});
});
function autoSlide() {
if (activeSlide + 1 >= allSlides.length) {
allSlides[activeSlide].className = "";
activeSlide = 0;
allSlides[0].className ="active";
}
else {
allSlides[activeSlide].className = "";
activeSlide++;
allSlides[activeSlide].className ="active";
}
}
</script>
</head>
<body>
<div>
<div class="slider-btn">
<button class="slider-prev"><</button>
<button class="slider-next">></button>
</div>
<div class="slider">
<div class="slide active">
<h2>Slide 1</h2>
</div>
<div class="slide">
<h2>Slide 2</h2>
</div>
</div>
<div>
<p>Some other content here</p>
</div>
<div class="slider-btn">
<button class="slider-prev"><</button>
<button class="slider-next">></button>
</div>
<div class="slider">
<div class="slide active">
<h2>Slide 1</h2>
</div>
<div class="slide">
<h2>Slide 2</h2>
</div>
</div>
<div>
<p>Some other content here</p>
</div>
</div>
</body>
</html>