标签：轮播 title color JavaScript indexofImg js slider rgb url
自己写的
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
box-sizing: border-box;
}
.box {
width: 700px;
height: 450px;
}
.slider-head img {
width: 100%;
}
.slider-head {
font-size: 0;
}
.slider-foot {
width: 100%;
height: 18%;
float: left;
font-size: 0;
background-color: rgb(100, 67, 68);
}
.slider-foot ul {
height: 12px;
padding-left: 10px;
/* text-align: center; */
/* line-height: 12px; */
display: flex;
align-items: center;
}
.slider-foot p {
font-size: 20px;
color: #fff;
margin: 12px 15px;
}
.slider-foot ul li {
display: inline-block;
list-style: none;
/* text-align: center; */
/* padding-left: 0; */
/* line-height: 20px; */
/* margin: auto 0; */
width: 8px;
height: 8px;
margin: 0 6px;
border-radius: 50%;
background-color: #fff;
opacity: 0.4;
}
.slider-foot .toggle {
float: right;
/* margin-top: -30px; */
margin-top: -45px;
margin-right: 10px;
}
.slider-foot .toggle button {
width: 30px;
height: 30px;
color: #fff;
background-color: rgb(256, 256, 256, 0.2);
border-radius: 5px;
border-style: none;
/* outline: none; */
margin: 0 5px;
cursor: pointer;
}
.slider-foot ul li.active {
width: 12px;
height: 12px;
/* background-color: #fff; */
opacity: 1;
}
</style>
</head>
<body>
<div class="box">
<div class="slider-head">
<img src="./images/sliders/slider01.jpg" alt="">
</div>
<div class="slider-foot">
<p>对人类来说会不会太超前了？</p>
<ul>
<li class="active"></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<div class="toggle">
<button class="prev"><</button>
<button class="next">></button>
</div>
</div>
</div>
<script>
const sliderData = [
{ url: './images/sliders/slider01.jpg', title: '对人类来说会不会太超前了？', color: 'rgb(100, 67, 68)' },
{ url: './images/sliders/slider02.jpg', title: '开启剑与雪的黑暗传说！', color: 'rgb(43, 35, 26)' },
{ url: './images/sliders/slider03.jpg', title: '真正的jo厨出现了！', color: 'rgb(36, 31, 33)' },
{ url: './images/sliders/slider04.jpg', title: '李玉刚：让世界通过B站看到东方大国文化', color: 'rgb(139, 98, 66)' },
{ url: './images/sliders/slider05.jpg', title: '快来分享你的寒假日常吧~', color: 'rgb(67, 90, 92)' },
{ url: './images/sliders/slider06.jpg', title: '哔哩哔哩小年YEAH', color: 'rgb(166, 131, 143)' },
{ url: './images/sliders/slider07.jpg', title: '一站式解决你的电脑配置问题！！！', color: 'rgb(53, 29, 25)' },
{ url: './images/sliders/slider08.jpg', title: '谁不想和小猫咪贴贴呢！', color: 'rgb(99, 72, 114)' },
];
const img = document.querySelector('.slider-head img');
const title = document.querySelector('.slider-foot p');
const foot = document.querySelector('.slider-foot');
const dots = document.querySelectorAll('.slider-foot ul li');
const prev = document.querySelector('.toggle .prev');
const next = document.querySelector('.toggle .next');
let indexofTimer = 0;
let indexofImg = 0;
function startSlider() {
console.log('bbb', indexofImg);
indexofImg++;
// prev.addEventListener('click', function() {
// indexofImg--;
// });
if(indexofImg === sliderData.length) {
indexofImg = 0;
}
// next.addEventListener('click', function() {
// indexofImg++;
// });
document.querySelector('.active').classList.remove('active');
document.querySelector(`.slider-foot ul li:nth-child(${indexofImg + 1})`).classList.add('active');
img.src = sliderData[indexofImg].url;
title.innerHTML = sliderData[indexofImg].title;
foot.style.backgroundColor = sliderData[indexofImg].color;
}
indexofTimer = setInterval(startSlider, 1000);
for(let i = 0;i < dots.length;i++) {
dots[i].addEventListener('mouseenter', function() {
indexofImg = i - 1;
clearInterval(indexofTimer);
startSlider();
});
dots[i].addEventListener('mouseleave', function() {
indexofTimer = setInterval(startSlider, 1000);
});
}
prev.addEventListener('click', function() {
clearInterval(indexofTimer);
// console.log('aaa', indexofImg);
if(indexofImg <= 0) {
indexofImg = sliderData.length - 2;
}
else{
indexofImg -= 2;
}
startSlider();
indexofTimer = setInterval(startSlider, 1000);
});
next.addEventListener('click', function() {
clearInterval(indexofTimer);
startSlider();
// indexofImg--;
indexofTimer = setInterval(startSlider, 1000);
});
prev.addEventListener('mouseenter', function() {
prev.style.backgroundColor = 'rgb(256, 256, 256, 0.4)';
});
prev.addEventListener('mouseleave', function() {
prev.style.backgroundColor = 'rgb(256, 256, 256, 0.2)';
});
next.addEventListener('mouseenter', function() {
next.style.backgroundColor = 'rgb(256, 256, 256, 0.4)';
});
next.addEventListener('mouseleave', function() {
next.style.backgroundColor = 'rgb(256, 256, 256, 0.2)';
});
</script>
</body>
</html>
照着标准的又写（抄）了一遍
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
box-sizing: border-box;
}
.slider {
width: 560px;
height: 400px;
/* overflow: hidden; */
}
.slider-header {
width: 100%;
height: 320px;
}
.slider-header img {
width: 100%;
height: 100%;
display: block; /*????*/
}
.slider-footer {
height: 80px;
background-color: rgb(100, 67, 68);
padding: 12px 12px 0 12px;
position: relative; /*????*/
}
.slider-footer .toggle {
position: absolute;
right: 0;
top: 12px;
display: flex;
}
.slider-footer .toggle button {
margin-right: 12px;
width: 28px;
height: 28px;
appearance: none;
border: none;
background-color: rgb(255, 255, 255, 0.1);
color: #fff;
border-radius: 4px;
cursor: pointer;
}
.slider-footer .toggle button:hover {
background-color: rgb(255, 255, 255, 0.2);
}
.slider-footer p {
margin: 0;
color: #fff;
font-size: 18px;
margin-bottom: 10px;
}
.slider-indicator {
margin: 0;
padding: 0;
list-style: none;
display: flex;
align-items: center;
}
.slider-indicator li {
width: 8px;
height: 8px;
margin: 4px;
border-radius: 50%;
background-color: #fff;
opacity: 0.4;
cursor: pointer;
}
.slider-indicator li.active {
width: 12px;
height: 12px;
opacity: 1;
}
</style>
</head>
<body>
<div class="slider">
<div class="slider-header">
<img src="./images/sliders/slider01.jpg" alt="">
</div>
<div class="slider-footer">
<p>对人类来说会不会太超前了？</p>
<ul class="slider-indicator">
<li class="active"></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<div class="toggle">
<button class="prev"><</button>
<button class="next">></button>
</div>
</div>
</div>
<script>
const sliderData = [
{ url: './images/sliders/slider01.jpg', title: '对人类来说会不会太超前了？', color: 'rgb(100, 67, 68)' },
{ url: './images/sliders/slider02.jpg', title: '开启剑与雪的黑暗传说！', color: 'rgb(43, 35, 26)' },
{ url: './images/sliders/slider03.jpg', title: '真正的jo厨出现了！', color: 'rgb(36, 31, 33)' },
{ url: './images/sliders/slider04.jpg', title: '李玉刚：让世界通过B站看到东方大国文化', color: 'rgb(139, 98, 66)' },
{ url: './images/sliders/slider05.jpg', title: '快来分享你的寒假日常吧~', color: 'rgb(67, 90, 92)' },
{ url: './images/sliders/slider06.jpg', title: '哔哩哔哩小年YEAH', color: 'rgb(166, 131, 143)' },
{ url: './images/sliders/slider07.jpg', title: '一站式解决你的电脑配置问题！！！', color: 'rgb(53, 29, 25)' },
{ url: './images/sliders/slider08.jpg', title: '谁不想和小猫咪贴贴呢！', color: 'rgb(99, 72, 114)' },
];
const img = document.querySelector('.slider-header img');
const p = document.querySelector('.slider-footer p');
const bgc = document.querySelector('.slider-footer');
const slider = document.querySelector('.slider');
const prev = document.querySelector('.prev');
const next = document.querySelector('.next');
let indexofImg = 0;
function showSlider(){
img.src = sliderData[indexofImg].url;
p.innerHTML = sliderData[indexofImg].title;
bgc.style.backgroundColor = sliderData[indexofImg].color;
document.querySelector('.slider-indicator .active').classList.remove('active');
document.querySelector(`.slider-indicator li:nth-child(${indexofImg + 1})`).classList.add('active');
}
prev.addEventListener('click', function() {
indexofImg--;
if(indexofImg < 0) {
indexofImg = sliderData.length - 1;
}
showSlider();
});
next.addEventListener('click', function() {
indexofImg++;
if(indexofImg >= sliderData.length) {
indexofImg = 0;
}
showSlider();
})
let indexofTimer = setInterval(function() {
next.click();
}, 1000);
slider.addEventListener('mouseenter', function() {
clearInterval(indexofTimer);
});
slider.addEventListener('mouseleave', function() {
indexofTimer = setInterval(function() {
next.click();
}, 1000);
});
</script>
</body>
</html>
标签：轮播,
title,
color,
JavaScript,
indexofImg,
js,
slider,
rgb,
url
From： https://www.cnblogs.com/ayubene/p/17871863.html