长沙网站优化方式,佛山建设网站,wordpress themes,外贸网站怎么做才好一、需求
轮播图如下图所示#xff0c;需求是每隔一秒轮播图自动切换一次 二、代码素材
以下是缺失JS部分的代码#xff0c;感兴趣的小伙伴可以先自己试着写一写
!DOCTYPE html
html langenheadmeta charsetUTF-8 /需求是每隔一秒轮播图自动切换一次 二、代码素材
以下是缺失JS部分的代码感兴趣的小伙伴可以先自己试着写一写
!DOCTYPE html
html langenheadmeta charsetUTF-8 /meta http-equivX-UA-Compatible contentIEedge /meta nameviewport contentwidthdevice-width, initial-scale1.0 /title轮播图点击切换/titlestyle* {box-sizing: border-box;}.slider {width: 560px;height: 400px;overflow: hidden;}.slider-wrapper {width: 100%;height: 320px;}.slider-wrapper 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: rgba(255, 255, 255, 0.1);color: #fff;border-radius: 4px;cursor: pointer;}.slider-footer .toggle button:hover {background: rgba(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: #fff;opacity: 0.4;cursor: pointer;}.slider-indicator li.active {width: 12px;height: 12px;opacity: 1;}/style
/headbodydiv classsliderdiv classslider-wrapperimg src./images/slider01.jpg alt //divdiv classslider-footerp对人类来说会不会太超前了/pul classslider-indicatorli classactive/lili/lili/lili/lili/lili/lili/lili/li/uldiv classtogglebutton classprevlt;/buttonbutton classnextgt;/button/div/div/divscript// 1. 初始数据const sliderData [{ url: ./images/slider01.jpg, title: 对人类来说会不会太超前了, color: rgb(100, 67, 68) },{ url: ./images/slider02.jpg, title: 开启剑与雪的黑暗传说, color: rgb(43, 35, 26) },{ url: ./images/slider03.jpg, title: 真正的jo厨出现了, color: rgb(36, 31, 33) },{ url: ./images/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/slider05.jpg, title: 快来分享你的寒假日常吧~, color: rgb(67, 90, 92) },{ url: ./images/slider06.jpg, title: 哔哩哔哩小年YEAH, color: rgb(166, 131, 143) },{ url: ./images/slider07.jpg, title: 一站式解决你的电脑配置问题, color: rgb(53, 29, 25) },{ url: ./images/slider08.jpg, title: 谁不想和小猫咪贴贴呢, color: rgb(99, 72, 114) },]/script
/body/html 三、算法思路
1、将代码素材在浏览器中打开并按F12进入开发者模式分析各个HTML标签在轮播图中的位置及作用
2、获取相关元素
3、利用间歇函数实现一秒切换一次的功能间歇函数中的计数器 i 配合素材代码中的数组对象实现图片和文字等样式的顺序播放 四、完整代码
!DOCTYPE html
html langenheadmeta charsetUTF-8 /meta http-equivX-UA-Compatible contentIEedge /meta nameviewport contentwidthdevice-width, initial-scale1.0 /title轮播图点击切换/titlestyle* {box-sizing: border-box;}.slider {width: 560px;height: 400px;overflow: hidden;}.slider-wrapper {width: 100%;height: 320px;}.slider-wrapper 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: rgba(255, 255, 255, 0.1);color: #fff;border-radius: 4px;cursor: pointer;}.slider-footer .toggle button:hover {background: rgba(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: #fff;opacity: 0.4;cursor: pointer;}.slider-indicator li.active {width: 12px;height: 12px;opacity: 1;}/style
/headbodydiv classsliderdiv classslider-wrapperimg src./images/slider01.jpg alt //divdiv classslider-footerp对人类来说会不会太超前了/pul classslider-indicatorli classactive/lili/lili/lili/lili/lili/lili/lili/li/uldiv classtogglebutton classprevlt;/buttonbutton classnextgt;/button/div/div/divscript// 1. 初始数据const sliderData [{ url: ./images/slider01.jpg, title: 对人类来说会不会太超前了, color: rgb(100, 67, 68) },{ url: ./images/slider02.jpg, title: 开启剑与雪的黑暗传说, color: rgb(43, 35, 26) },{ url: ./images/slider03.jpg, title: 真正的jo厨出现了, color: rgb(36, 31, 33) },{ url: ./images/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/slider05.jpg, title: 快来分享你的寒假日常吧~, color: rgb(67, 90, 92) },{ url: ./images/slider06.jpg, title: 哔哩哔哩小年YEAH, color: rgb(166, 131, 143) },{ url: ./images/slider07.jpg, title: 一站式解决你的电脑配置问题, color: rgb(53, 29, 25) },{ url: ./images/slider08.jpg, title: 谁不想和小猫咪贴贴呢, color: rgb(99, 72, 114) },]const imgdocument.querySelector(.slider-wrapper img)const pdocument.querySelector(.slider-footer p)const uldocument.querySelector(.slider-footer .slider-indicator)const footerdocument.querySelector(.slider-footer)let i0setInterval((){i (i 1) % 8img.src./images/slider0${i1}.jpgp.innerHTMLsliderData[i].titlefooter.style.backgroundColorsliderData[i].color//注意classList.remove()括号中的类名不需要加点号document.querySelector(.slider-indicator .active).classList.remove(active)document.querySelector(.slider-indicator li:nth-child(${i1})).classList.add(active)},1000)/script
/body/html
