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144 lines
6.4 KiB
144 lines
6.4 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Window Scroll Event</title>
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<link rel="stylesheet" href="css/styles.css">
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</head>
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<body>
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<div class="Progress">
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<div class="Prostick"></div>
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</div>
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<div class="navbar">
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<div class="navbar-left">
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<img src="logo.png" alt="Logo">
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<div class="site-title">web新闻网站</div>
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</div>
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<div class="navbar-right">
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<a href="index.html" class="active">首页</a>
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<a href="news-categories.html">新闻分类</a>
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<a href="special-reports.html">专题报道</a>
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<a href="news-updates.html">新闻资讯</a>
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<a href="interaction.html">互动交流</a>
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</div>
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</div>
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<div class="carousel-container">
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<div class="carousel-images">
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</div>
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<button id="prev-btn">《 </button>
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<button id="next-btn"> 》</button>
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<div class="dots-container">
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</div>
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</div>
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<div class="news-effect">
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<span>新闻的作用</span>
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<div class="news-class-list">
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<p>1.消除受众的不确定性。新闻通过报道新发生的事件和情况，帮助受众了解世界的最新变化。</p>
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<p>2.新闻能够反映社会现象和问题，影响和引导公众的思想和行为，实现社会舆论的监督引导。</p>
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<p>3.新闻报道涉及广泛的科学技术和社会生活领域，有助于人们获取新知识和新发现教育普及。</p>
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<p>4.新闻媒介还传播各种趣味性内容，如奇闻异事、风土人情等，在紧张工作得到娱乐和享受。</p>
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</div>
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</div>
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<div class="news-definition">
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<p>“新闻，也叫消息、资讯，是通过报纸、电台、广播、电视台等媒体途径所传播信息的一种称谓。是记录社会、传播信息、反映时代的一种文体。新闻概念有广义与狭义之分，就其广义而言，除了发表于报刊、广播、互联网、电视上的评论与专文外的常用文本都属于新闻之列，包括消息、通讯、特写、速写（有的将速写纳入特写之列）等等，狭义的新闻则专指消息，消息是用概括的叙述方式，比较简明扼要的文字，迅速及时地报道国内外新近发生的、有价值的事实，让别人了解”。
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</p>
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</div>
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<div class="news-definition">
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<p>“新闻，也叫消息、资讯，是通过报纸、电台、广播、电视台等媒体途径所传播信息的一种称谓。是记录社会、传播信息、反映时代的一种文体。新闻概念有广义与狭义之分，就其广义而言，除了发表于报刊、广播、互联网、电视上的评论与专文外的常用文本都属于新闻之列，包括消息、通讯、特写、速写（有的将速写纳入特写之列）等等，狭义的新闻则专指消息，消息是用概括的叙述方式，比较简明扼要的文字，迅速及时地报道国内外新近发生的、有价值的事实，让别人了解”。
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</p>
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</div>
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<div class="footer">
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Web新闻网站
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</div>
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<script>
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let totalhight = document.body.scrollHeight
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const Prostick = document.querySelector('.Prostick')
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window.addEventListener('scroll', function () {
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let pro = (window.pageYOffset / totalhight) * 100
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Prostick.style.width = pro + '%'
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})
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document.addEventListener("DOMContentLoaded", function () {
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const imgs = [
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{ src: "pics/1.png" },
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{ src: "pics/2.jpg" },
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{ src: "pics/3.jpg" },
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{ src: "pics/4.jpg" },
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{ src: "pics/5.png" },
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];
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const carouselImages = document.querySelector('.carousel-images');
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const dotsContainer = document.querySelector('.dots-container');
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let currentIndex = 0;
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imgs.forEach(img => {
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const imgElement = document.createElement('img');
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imgElement.src = img.src;
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carouselImages.appendChild(imgElement);
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});
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imgs.forEach((_, index) => {
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const dot = document.createElement('div');
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dot.classList.add('dot');
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dot.dataset.index = index;
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dotsContainer.appendChild(dot);
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});
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const dots = document.querySelectorAll('.dot');
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function autoPlayCarousel() {
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carouselInterval = setInterval(() => {
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currentIndex = (currentIndex + 1) % imgs.length;
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updateCarousel();
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}, 5000);
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}
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autoPlayCarousel();
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document.getElementById('next-btn').addEventListener('click', () => {
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currentIndex = (currentIndex + 1) % imgs.length;
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updateCarousel();
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autoPlayCarousel();
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});
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document.getElementById('prev-btn').addEventListener('click', () => {
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currentIndex = (currentIndex - 1 + imgs.length) % imgs.length;
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updateCarousel();
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autoPlayCarousel();
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});
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dots.forEach(dot => {
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dot.addEventListener('click', () => {
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currentIndex = parseInt(dot.dataset.index);
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updateCarousel();
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autoPlayCarousel();
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});
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});
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function updateCarousel() {
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const offset = -currentIndex * 100 + '%';
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carouselImages.style.transform = `translateX(${offset})`;
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dots.forEach(dot => dot.classList.remove('active'));
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dots[currentIndex].classList.add('active');
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}
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dots[currentIndex].classList.add('active');
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})
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const news = document.querySelector('.news-effect')
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const navbar = document.querySelector('.navbar')
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const carouselContainer = document.querySelector('.carousel-container')
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window.addEventListener('scroll', function () {
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const n1 = document.documentElement.scrollTop
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navbar.style.top = n1 >= news.offsetTop ? 0 : '-65px'
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})
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</script>
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</body>
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</html> |