{"id":294988,"date":"2024-05-20T15:23:58","date_gmt":"2024-05-20T07:23:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/294988.html"},"modified":"2024-05-20T15:24:22","modified_gmt":"2024-05-20T07:24:22","slug":"js-%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e6%b6%88%e6%81%af%e6%bb%9a%e5%8a%a8%e6%95%88%e6%9e%9c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/294988.html","title":{"rendered":"js \u5982\u4f55\u5b9e\u73b0\u6d88\u606f\u6eda\u52a8\u6548\u679c"},"content":{"rendered":"

\"js<\/p>\n

JavaScript\u5b9e\u73b0\u6d88\u606f\u6eda\u52a8\u6548\u679c\u7684\u5173\u952e\u70b9\u5305\u62ec\uff1a\u5b9a\u65f6\u5668\u7684\u4f7f\u7528\u3001DOM\u5143\u7d20\u7684\u52a8\u6001\u521b\u5efa\u548c\u63a7\u5236\u3001CSS\u6837\u5f0f\u7684\u8c03\u6574\u3001\u4e8b\u4ef6\u76d1\u542c\u5668\u7684\u5e94\u7528<\/strong>\u3002\u6700\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\u662f\u901a\u8fc7setInterval<\/code>\u6216requestAnimationFrame<\/code>\u6765\u5468\u671f\u6027\u5730\u66f4\u65b0\u6d88\u606f\u5143\u7d20\u7684\u4f4d\u7f6e\uff0c\u914d\u5408\u6837\u5f0f\u7684\u9002\u5f53\u8bbe\u7f6e\uff0c\u5b9e\u73b0\u5e73\u6ed1\u7684\u6eda\u52a8\u6548\u679c\u3002\u8fdb\u4e00\u6b65\u53ef\u4ee5\u901a\u8fc7\u76d1\u542c\u952e\u76d8\u3001\u9f20\u6807\u4e8b\u4ef6\u6765\u5b9e\u73b0\u6682\u505c\u3001\u52a0\u901f\u7b49\u4ea4\u4e92\u529f\u80fd\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3HTML\u548cCSS\u57fa\u7840<\/h3>\n<\/p>\n

\u5728\u5b9e\u73b0\u6d88\u606f\u6eda\u52a8\u6548\u679c\u4e4b\u524d\uff0c\u9700\u8981\u51c6\u5907\u597d\u4e0e\u4e4b\u76f8\u5173\u7684HTML\u7ed3\u6784\u548cCSS\u6837\u5f0f\u3002\u521b\u5efa\u4e00\u4e2a\u6eda\u52a8\u5bb9\u5668\uff0c\u5e76\u51b3\u5b9a\u6d88\u606f\u6eda\u52a8\u7684\u65b9\u5411\uff08\u6c34\u5e73\u6216\u5782\u76f4\uff09\u3002<\/p>\n<\/p>\n

HTML\u7ed3\u6784\uff1a<\/strong><\/p>\n<\/p>\n

<div class="scroll-contAI<\/a>ner"><\/p>\n
    <div class="scroll-messages"><\/p>\n
        <!-- \u52a8\u6001\u63d2\u5165\u6d88\u606f --><\/p>\n
    <\/div><\/p>\n
<\/div><\/p>\n
<\/code><\/pre>\n<\/p>\n
CSS\u6837\u5f0f\uff1a<\/strong><\/p>\n<\/p>\n
.scroll-container {<\/p>\n
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}<\/p>\n
.scroll-messages {<\/p>\n
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}<\/p>\n
<\/code><\/pre>\n<\/p>\n
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JavaScript\u57fa\u672c\u6eda\u52a8\u5b9e\u73b0\uff1a<\/strong><\/p>\n<\/p>\n
const scrollContainer = document.querySelector('.scroll-container');<\/p>\n
const scrollMessages = scrollContainer.querySelector('.scroll-messages');<\/p>\n
let startPosition = 0;<\/p>\n
const messageSpeed = 2; \/\/ \u6d88\u606f\u6eda\u52a8\u901f\u7387<\/p>\n
function scrollMessage() {<\/p>\n
    startPosition -= messageSpeed; \/\/ \u66f4\u65b0\u4f4d\u7f6e<\/p>\n
    scrollMessages.style.transform = `translateX(${startPosition}px)`;<\/p>\n
    \/\/ \u5f53\u6d88\u606f\u5b8c\u5168\u79bb\u5f00\u89c6\u53e3\u65f6\uff0c\u91cd\u7f6e\u4f4d\u7f6e<\/p>\n
    if (Math.abs(startPosition) >= scrollMessages.offsetWidth) {<\/p>\n
        startPosition = scrollContainer.offsetWidth;<\/p>\n
    }<\/p>\n
    requestAnimationFrame(scrollMessage); \/\/ \u6301\u7eed\u8c03\u7528\u51fd\u6570\u5b9e\u73b0\u6eda\u52a8<\/p>\n
}<\/p>\n
scrollMessage(); \/\/ \u521d\u59cb\u5316\u6eda\u52a8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f18\u5316\u6eda\u52a8\u6027\u80fd<\/h3>\n<\/p>\n
\u867d\u7136setInterval<\/code>\u53ef\u4ee5\u5b9e\u73b0\u5faa\u73af\u8c03\u7528\uff0c\u4f46requestAnimationFrame<\/code>\u66f4\u9002\u5408\u6267\u884c\u52a8\u753b\uff0c\u56e0\u4e3a\u5b83\u80fd\u4fdd\u8bc1\u5728\u4e0b\u4e00\u5e27\u6e32\u67d3\u524d\u6267\u884c\uff0c\u51cf\u5c11\u91cd\u7ed8\u548c\u56de\u6d41\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u6027\u80fd\u4f18\u5316\u5b9e\u73b0\uff1a<\/strong><\/p>\n<\/p>\n
function scrollMessage() {<\/p>\n
    \/\/ \u4f7f\u7528requestAnimationFrame\u4ee3\u66ffsetInterval<\/p>\n
    requestAnimationFrame(() => {<\/p>\n
        \/\/ \u66f4\u65b0\u6d88\u606f\u7684\u4f4d\u7f6e<\/p>\n
        messages.forEach(message => {<\/p>\n
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    });<\/p>\n
}<\/p>\n
scrollMessage();<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5904\u7406\u6d88\u606f\u7684\u52a8\u6001\u63d2\u5165\u548c\u65e0\u7f1d\u6eda\u52a8<\/h3>\n<\/p>\n
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\u65e0\u7f1d\u6eda\u52a8\u548c\u6d88\u606f\u52a8\u6001\u63d2\u5165\uff1a<\/strong><\/p>\n<\/p>\n
const messagesData = ["\u6d88\u606f1", "\u6d88\u606f2", "\u6d88\u606f3"]; \/\/ \u6d88\u606f\u6570\u7ec4<\/p>\n
function insertMessages() {<\/p>\n
    \/\/ \u6e05\u7a7a\u65e7\u7684\u6d88\u606f<\/p>\n
    scrollMessages.innerHTML = "";<\/p>\n
    \/\/ \u52a8\u6001\u521b\u5efa\u6d88\u606f\u5143\u7d20\u5e76\u6dfb\u52a0\u5230scrollMessages<\/p>\n
    messagesData.forEach(text => {<\/p>\n
        const messageElement = document.createElement('div');<\/p>\n
        messageElement.classList.add('message');<\/p>\n
        messageElement.textContent = text;<\/p>\n
        scrollMessages.appendChild(messageElement);<\/p>\n
    });<\/p>\n
}<\/p>\n
function updateMessagePosition() {<\/p>\n
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    const messages = scrollMessages.querySelectorAll('.message');<\/p>\n
    messages.forEach(message => {<\/p>\n
        \/\/ \u6bcf\u6b21\u79fb\u52a8\u524d\u5224\u65ad\u6d88\u606f\u662f\u5426\u5df2\u7ecf\u5b8c\u5168\u6eda\u51fa\u89c6\u53e3<\/p>\n
        if (message.getBoundingClientRect().right < 0) {<\/p>\n
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        }<\/p>\n
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}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u6dfb\u52a0\u4ea4\u4e92\u529f\u80fd<\/h3>\n<\/p>\n
\u4f7f\u7528\u4e8b\u4ef6\u76d1\u542c\u5668\u53ef\u4ee5\u4e3a\u6eda\u52a8\u7684\u6d88\u606f\u6dfb\u52a0\u4ea4\u4e92\u6027\uff0c\u4f8b\u5982\u9f20\u6807\u60ac\u505c\u65f6\u6682\u505c\u6eda\u52a8\uff0c\u9f20\u6807\u79fb\u5f00\u540e\u6062\u590d\u6eda\u52a8\u3002<\/p>\n<\/p>\n
\u5b9e\u73b0\u4ea4\u4e92\u529f\u80fd\uff1a<\/strong><\/p>\n<\/p>\n
let isPaused = false; \/\/ \u6682\u505c\u6807\u5fd7<\/p>\n
scrollContainer.addEventListener('mouseover', () => {<\/p>\n
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});<\/p>\n
scrollContainer.addEventListener('mouseout', () => {<\/p>\n
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});<\/p>\n
function scrollMessage() {<\/p>\n
    if (!isPaused) { \/\/ \u6839\u636eisPaused\u5224\u65ad\u662f\u5426\u6eda\u52a8<\/p>\n
        \/\/ \u6267\u884c\u6eda\u52a8\u903b\u8f91<\/p>\n
    }<\/p>\n
    requestAnimationFrame(scrollMessage);<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u8003\u8651\u517c\u5bb9\u6027\u548c\u4f18\u96c5\u964d\u7ea7<\/h3>\n<\/p>\n
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\u517c\u5bb9\u6027\u5904\u7406\uff1a<\/strong><\/p>\n<\/p>\n
\/\/ requestAnimationFrame\u517c\u5bb9\u6027\u5904\u7406<\/p>\n
window.requestAnimationFrame = window.requestAnimationFrame || function(callback) { setTimeout(callback, 1000\/60); };<\/p>\n
\/\/ \u6eda\u52a8\u51fd\u6570\u4fdd\u6301\u4e0d\u53d8<\/p>\n
<\/code><\/pre>\n<\/p>\n
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\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5982\u4f55\u7528JavaScript\u5b9e\u73b0\u6d88\u606f\u6eda\u52a8\u6548\u679c\uff1f<\/strong><\/p>\n
    \n
  • \n
    \u95ee\u9898\uff1a\u53ef\u4ee5\u4f7f\u7528JavaScript\u6765\u5b9e\u73b0\u6d88\u606f\u6eda\u52a8\u6548\u679c\u5417\uff1f
    \n\u56de\u7b54\uff1a\u5f53\u7136\u53ef\u4ee5\uff01JavaScript\u662f\u4e00\u79cd\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u7f51\u9875\u5143\u7d20\u884c\u4e3a\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u5b9e\u73b0\u5404\u79cd\u6548\u679c\uff0c\u5305\u62ec\u6d88\u606f\u6eda\u52a8\u6548\u679c\u3002<\/p>\n<\/li>\n
  • \n
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  • \n
    \u95ee\u9898\uff1a\u5982\u4f55\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u6eda\u52a8\u6548\u679c\uff1f
    \n\u56de\u7b54\uff1a\u8981\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\u6eda\u52a8\u6548\u679c\uff0c\u53ef\u4ee5\u5c06\u6d88\u606f\u5185\u5bb9\u590d\u5236\u4e00\u4efd\u5e76\u6392\u5728\u539f\u5185\u5bb9\u7684\u540e\u9762\uff0c\u7136\u540e\u5728\u6eda\u52a8\u5230\u539f\u5185\u5bb9\u7684\u6700\u540e\u65f6\u8fc5\u901f\u5207\u6362\u5230\u590d\u5236\u5185\u5bb9\u7684\u5f00\u5934\uff0c\u5f62\u6210\u4e00\u4e2a\u65e0\u7f1d\u5faa\u73af\u7684\u6548\u679c\u3002\u53ef\u4ee5\u5229\u7528JavaScript\u7684CSS\u6837\u5f0f\u64cd\u4f5c\u548c\u5b9a\u65f6\u5668\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e00\u6548\u679c\u3002<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"JavaScript\u5b9e\u73b0\u6d88\u606f\u6eda\u52a8\u6548\u679c\u7684\u5173\u952e\u70b9\u5305\u62ec\uff1a\u5b9a\u65f6\u5668\u7684\u4f7f\u7528\u3001DOM\u5143\u7d20\u7684\u52a8\u6001\u521b\u5efa\u548c\u63a7\u5236\u3001CSS\u6837\u5f0f\u7684\u8c03\u6574\u3001 […]","protected":false},"author":3,"featured_media":295010,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/294988"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=294988"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/294988\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/295010"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=294988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=294988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=294988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}