HTML5动态修改标题技巧分享
时间：2026-05-28 13:16:34
141浏览
收藏
本文深入解析了HTML5中动态修改页面标题的正确方法与常见误区，强调`document.title`是唯一可靠、兼容性佳且即时生效的方案，同时揭穿了`history.pushState`第二个参数无效、DOM操作无法更新标签页显示等广泛存在的认知偏差；文章还系统梳理了单页应用路由切换、服务端渲染（SSR）首次标题注入、SEO优化及PWA场景下的关键限制与最佳实践，特别指出JS无法干预首屏HTML已定标题的事实，帮助开发者避开线上环境标题“死活改不了”的典型坑点。
document.title 是最直接有效的动态改标题方式
HTML 页面的 </code> 标签内容，本质上由 JavaScript 的 <code>document.title</code> 属性控制。只要页面已加载，任何对它的赋值都会立即反映在浏览器标签页上，无需操作 DOM 节点或重新渲染。</p>
<p>常见错误是试图用 <code>document.querySelector('title').textContent = '新标题'</code> —— 这种写法虽然能改 DOM，但多数浏览器（Chrome、Firefox、Edge）**不会同步更新标签页显示**，属于无效操作。</p>
<ul><li><code>document.title = '登录成功'</code> —— 简洁可靠，兼容所有现代浏览器及 IE9+</li>
<li>在单页应用（SPA）中，路由切换后应立刻调用该语句，例如 Vue 的 <code>beforeRouteUpdate</code> 或 React Router 的 <code>useEffect</code> 里</li>
<li>注意避免频繁设置（如每秒多次），虽无报错，但可能干扰用户对当前页面状态的感知</li>
</ul><h3>history.pushState 配合 title 参数的兼容性陷阱</h3>
<p>调用 <code>history.pushState(state, title, url)</code> 时传入的 <code>title</code> 参数，在绝大多数浏览器中**被忽略**（Chrome 自 2015 年起、Firefox 自 2017 年起均不使用该字段更新标签页）。它只作为历史记录的元数据存在，无法替代 <code>document.title</code>。</p>
<p>所以以下代码不会改变页面标题：</p>
<pre class="brush:php;toolbar:false">history.pushState({page: 'user'}, '用户页', '/user');</pre>
<p>正确做法是显式设置：</p>
<pre class="brush:php;toolbar:false">history.pushState({page: 'user'}, '', '/user');
document.title = '用户页';</pre>
<ul><li>不要依赖 <code>pushState</code> 的第二个参数自动更新标题</li>
<li>如果用 <code>replaceState</code>，同样需手动同步 <code>document.title</code></li>
<li>Safari 对 <code>pushState</code> 的 <code>title</code> 字段支持更弱，实测完全无响应</li>
</ul><h3>服务端渲染（SSR）场景下首次标题的设定逻辑</h3>
<p>服务端生成的 HTML 中，<code><title></code> 标签内容是静态的，必须由后端模板（如 EJS、Jinja2）或框架（Next.js、Nuxt）根据当前路由/数据注入。前端 JS 无法“提前”修改尚未解析的 <code><title></code> 标签。</p>
<p>典型误区：在 <code><head></code> 中放一段脚本试图改标题，但执行时机早于 <code><title></code> 解析完成 —— 结果是改了又会被服务端内容覆盖。</p>
<ul><li>SSR 页面首次加载，标题必须由服务端决定；JS 只能接管后续动态变更</li>
<li>Next.js 使用 <code>getStaticProps</code> + <code>Head</code> 组件；Nuxt 使用 <code>head()</code> 选项</li>
<li>若用纯 Node.js 拼 HTML，确保 <code><title>{{ pageTitle }} 中的变量已正确渲染
SEO 和 PWA 场景下标题更新的注意事项
搜索引擎爬虫（如 Googlebot）通常只抓取首屏 HTML 中的 </code>，不会执行 JS，因此动态修改的标题**不影响 SEO 排名**。PWA 添加到主屏幕后，首次启动也读取的是初始 HTML 中的标题。</p>
<p>这意味着：靠 <code>document.title</code> 实现的标题变化，对 SEO 和 PWA 启动图标下方文字无意义。</p>
<ul><li>想提升 SEO，必须让关键页面的标题在服务端就准确输出</li>
<li>PWA 的 <code>manifest.json</code> 中 <code>name</code> 和 <code>short_name</code> 才决定添加到桌面后的显示名，与 <code><title></code> 无关</li>
<li>部分旧版微信内置浏览器会缓存首次加载的标题，即使 JS 修改了，分享卡片仍显示原始标题 —— 此时需配合微信 JSSDK 的 <code>updateAppMessageShareData</code> 手动刷新</li>
</ul>
实际开发中最容易被忽略的，是 SSR 首次标题和服务端逻辑强绑定这一点 —— 很多人以为“JS 能改一切”，结果上线后发现首页标题永远是模板默认值，怎么调试都找不到原因。<p>以上就是《HTML5动态修改标题技巧分享》的详细内容，更多关于的资料请关注golang学习网公众号！</p> </div>
<div class="labsList">
</div>
</div>
<!-- 最新阅读 -->
<div class="contBoxNor">
<div class="contTit">
<div class="tit">相关阅读</div>
<a href="/articlelist.html" class="more">更多></a>
</div>
<ul class="latestReadList">
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1年前 |
<a href="javascript:;" class="aLightGray" title="提升">提升</a>
<a href="javascript:;" class="aLightGray" title="箭头函数">箭头函数</a>
<a href="javascript:;" class="aLightGray" title="函数表达式">函数表达式</a>
<a href="javascript:;" class="aLightGray" title="函数声明">函数声明</a>
<a href="javascript:;" class="aLightGray" title="Function构造函数">Function构造函数</a>
</div>
<div class="tit lineOverflow"><a href="/article/207000.html" title="JavaScript函数定义及示例详解" class="aBlack">JavaScript函数定义及示例详解</a></div>
<div class="opt">
<span><i class="view"></i>502</span>
<span class="collectBtn user_collection" data-id="207000" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2个月前 |
</div>
<div class="tit lineOverflow"><a href="/article/619053.html" title="CSS变量简化按钮悬停效果技巧" class="aBlack">CSS变量简化按钮悬停效果技巧</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="619053" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2个月前 |
</div>
<div class="tit lineOverflow"><a href="/article/618916.html" title="JavaScript符号类型详解与应用" class="aBlack">JavaScript符号类型详解与应用</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="618916" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2个月前 |
</div>
<div class="tit lineOverflow"><a href="/article/612539.html" title="HTML剪贴板复制粘贴怎么用" class="aBlack">HTML剪贴板复制粘贴怎么用</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="612539" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2个月前 |
</div>
<div class="tit lineOverflow"><a href="/article/611774.html" title="data-*属性详解：HTML数据存储与DOM操作技巧" class="aBlack">data-*属性详解：HTML数据存储与DOM操作技巧</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="611774" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
</ul>
</div>
<!-- 最新阅读 -->
<div class="contBoxNor">
<div class="contTit">
<div class="tit">最新阅读</div>
<a href="/articlelist.html" class="more">更多></a>
</div>
<ul class="latestReadList">
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1天前 |
</div>
<div class="tit lineOverflow"><a href="/article/620659.html" title="前端页面发布后旧 JS 还在缓存：Cache-Control、文件指纹与回滚检查" class="aBlack">前端页面发布后旧 JS 还在缓存：Cache-Control、文件指纹与回滚检查</a></div>
<div class="opt">
<span><i class="view"></i>267</span>
<span class="collectBtn user_collection" data-id="620659" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1天前 |
<a href="/articletag/40157_new_0_1.html" class="aLightGray" title="[]">[]</a> ·
<a href="javascript:;" class="aLightGray" title="[]">[]</a>
</div>
<div class="tit lineOverflow"><a href="/article/620650.html" title="前端批量导入 CSV 如何避免页面假死：Web Worker、分片处理与结果通知" class="aBlack">前端批量导入 CSV 如何避免页面假死：Web Worker、分片处理与结果通知</a></div>
<div class="opt">
<span><i class="view"></i>441</span>
<span class="collectBtn user_collection" data-id="620650" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1天前 |
<a href="/articletag/40157_new_0_1.html" class="aLightGray" title="[]">[]</a> ·
<a href="javascript:;" class="aLightGray" title="[]">[]</a>
</div>
<div class="tit lineOverflow"><a href="/article/620642.html" title="前端 BroadcastChannel 多标签页状态同步：消息去重、版本冲突与关闭清理" class="aBlack">前端 BroadcastChannel 多标签页状态同步：消息去重、版本冲突与关闭清理</a></div>
<div class="opt">
<span><i class="view"></i>333</span>
<span class="collectBtn user_collection" data-id="620642" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1天前 |
<a href="/articletag/161_new_0_1.html" class="aLightGray" title="布局">布局</a> ·
<a href="/articletag/4729_new_0_1.html" class="aLightGray" title="css">css</a> ·
<a href="/articletag/40482_new_0_1.html" class="aLightGray" title="前端动画">前端动画</a> ·
<a href="/articletag/40483_new_0_1.html" class="aLightGray" title="浏览器兼容">浏览器兼容</a> ·
<a href="/articletag/40499_new_0_1.html" class="aLightGray" title="渐进增强">渐进增强</a> ·
<a href="javascript:;" class="aLightGray" title="CSS">CSS</a>
<a href="javascript:;" class="aLightGray" title="前端动画">前端动画</a>
<a href="javascript:;" class="aLightGray" title="浏览器兼容">浏览器兼容</a>
<a href="javascript:;" class="aLightGray" title="interpolate-size">interpolate-size</a>
<a href="javascript:;" class="aLightGray" title="height auto">height auto</a>
<a href="javascript:;" class="aLightGray" title="calc-size">calc-size</a>
</div>
<div class="tit lineOverflow"><a href="/article/620634.html" title="CSS interpolate-size 让 height:auto 可过渡：旧写法、迁移边界与降级验证" class="aBlack">CSS interpolate-size 让 height:auto 可过渡：旧写法、迁移边界与降级验证</a></div>
<div class="opt">
<span><i class="view"></i>475</span>
<span class="collectBtn user_collection" data-id="620634" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1天前 |
<a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> ·
<a href="/articletag/616_new_0_1.html" class="aLightGray" title="文件上传">文件上传</a> ·
<a href="/articletag/729_new_0_1.html" class="aLightGray" title="性能优化">性能优化</a> ·
<a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> ·
<a href="/articletag/40054_new_0_1.html" class="aLightGray" title="浏览器API">浏览器API</a> ·
<a href="javascript:;" class="aLightGray" title="并发控制">并发控制</a>
<a href="javascript:;" class="aLightGray" title="断点续传">断点续传</a>
<a href="javascript:;" class="aLightGray" title="AbortController">AbortController</a>
<a href="javascript:;" class="aLightGray" title="分片上传">分片上传</a>
<a href="javascript:;" class="aLightGray" title="前端大文件上传">前端大文件上传</a>
</div>
<div class="tit lineOverflow"><a href="/article/620625.html" title="前端大文件上传为什么会卡住：分片、并发窗口与断点续传的架构取舍" class="aBlack">前端大文件上传为什么会卡住：分片、并发窗口与断点续传的架构取舍</a></div>
<div class="opt">
<span><i class="view"></i>127</span>
<span class="collectBtn user_collection" data-id="620625" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
<a href="/articletag/4729_new_0_1.html" class="aLightGray" title="css">css</a> ·
<a href="/articletag/40482_new_0_1.html" class="aLightGray" title="前端动画">前端动画</a> ·
<a href="/articletag/40483_new_0_1.html" class="aLightGray" title="浏览器兼容">浏览器兼容</a> ·
<a href="javascript:;" class="aLightGray" title="CSS">CSS</a>
<a href="javascript:;" class="aLightGray" title="dialog">dialog</a>
<a href="javascript:;" class="aLightGray" title="@starting-style">@starting-style</a>
<a href="javascript:;" class="aLightGray" title="transition-behavior">transition-behavior</a>
<a href="javascript:;" class="aLightGray" title="popover">popover</a>
</div>
<div class="tit lineOverflow"><a href="/article/620588.html" title="CSS 原生弹窗关闭动画怎么保留：@starting-style 与离散过渡的兼容写法" class="aBlack">CSS 原生弹窗关闭动画怎么保留：@starting-style 与离散过渡的兼容写法</a></div>
<div class="opt">
<span><i class="view"></i>444</span>
<span class="collectBtn user_collection" data-id="620588" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
</div>
<div class="tit lineOverflow"><a href="/article/620585.html" title="CSS 容器查询实现响应式卡片：container-type 与 @container 的最小配方" class="aBlack">CSS 容器查询实现响应式卡片：container-type 与 @container 的最小配方</a></div>
<div class="opt">
<span><i class="view"></i>302</span>
<span class="collectBtn user_collection" data-id="620585" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
<a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> ·
<a href="/articletag/4729_new_0_1.html" class="aLightGray" title="css">css</a> ·
<a href="/articletag/11572_new_0_1.html" class="aLightGray" title="grid">grid</a> ·
<a href="/articletag/40475_new_0_1.html" class="aLightGray" title="响应式布局">响应式布局</a> ·
<a href="/articletag/40476_new_0_1.html" class="aLightGray" title="兼容性">兼容性</a> ·
<a href="javascript:;" class="aLightGray" title="卡片布局">卡片布局</a>
<a href="javascript:;" class="aLightGray" title="CSS Grid">CSS Grid</a>
<a href="javascript:;" class="aLightGray" title="按钮对齐">按钮对齐</a>
<a href="javascript:;" class="aLightGray" title="subgrid">subgrid</a>
<a href="javascript:;" class="aLightGray" title="响应式前端">响应式前端</a>
</div>
<div class="tit lineOverflow"><a href="/article/620544.html" title="CSS Grid 卡片按钮总对不齐：用 subgrid 修复内容高度漂移并保留降级方案" class="aBlack">CSS Grid 卡片按钮总对不齐：用 subgrid 修复内容高度漂移并保留降级方案</a></div>
<div class="opt">
<span><i class="view"></i>130</span>
<span class="collectBtn user_collection" data-id="620544" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
<a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> ·
<a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> ·
<a href="/articletag/40411_new_0_1.html" class="aLightGray" title="浏览器性能">浏览器性能</a> ·
<a href="/articletag/40461_new_0_1.html" class="aLightGray" title="交互优化">交互优化</a> ·
<a href="/articletag/40462_new_0_1.html" class="aLightGray" title="数据表格">数据表格</a> ·
<a href="javascript:;" class="aLightGray" title="前端">前端</a>
<a href="javascript:;" class="aLightGray" title="性能优化">性能优化</a>
<a href="javascript:;" class="aLightGray" title="requestAnimationFrame">requestAnimationFrame</a>
<a href="javascript:;" class="aLightGray" title="布局抖动">布局抖动</a>
<a href="javascript:;" class="aLightGray" title="表格列拖拽">表格列拖拽</a>
<a href="javascript:;" class="aLightGray" title="Pointer Events">Pointer Events</a>
</div>
<div class="tit lineOverflow"><a href="/article/620523.html" title="前端表格列拖拽为什么会抖动：用 Pointer Events 与 requestAnimationFrame 合并布局写入" class="aBlack">前端表格列拖拽为什么会抖动：用 Pointer Events 与 requestAnimationFrame 合并布局写入</a></div>
<div class="opt">
<span><i class="view"></i>397</span>
<span class="collectBtn user_collection" data-id="620523" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
<a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> ·
<a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> ·
<a href="/articletag/4729_new_0_1.html" class="aLightGray" title="css">css</a> ·
<a href="/articletag/40054_new_0_1.html" class="aLightGray" title="浏览器API">浏览器API</a> ·
<a href="javascript:;" class="aLightGray" title="document.startViewTransition">document.startViewTransition</a>
<a href="javascript:;" class="aLightGray" title="CSS View Transitions">CSS View Transitions</a>
<a href="javascript:;" class="aLightGray" title="页面切换动画">页面切换动画</a>
</div>
<div class="tit lineOverflow"><a href="/article/620514.html" title="CSS View Transitions API 实战：给无框架页面切换加上可降级动画" class="aBlack">CSS View Transitions API 实战：给无框架页面切换加上可降级动画</a></div>
<div class="opt">
<span><i class="view"></i>375</span>
<span class="collectBtn user_collection" data-id="620514" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
<a href="/articletag/216_new_0_1.html" class="aLightGray" title="表格">表格</a> ·
<a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> ·
<a href="/articletag/729_new_0_1.html" class="aLightGray" title="性能优化">性能优化</a> ·
<a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> ·
<a href="/articletag/40440_new_0_1.html" class="aLightGray" title="ResizeObserver">ResizeObserver</a> ·
<a href="javascript:;" class="aLightGray" title="ResizeObserver">ResizeObserver</a>
<a href="javascript:;" class="aLightGray" title="ResizeObserver loop completed">ResizeObserver loop completed</a>
<a href="javascript:;" class="aLightGray" title="表格自适应列宽">表格自适应列宽</a>
<a href="javascript:;" class="aLightGray" title="前端防抖">前端防抖</a>
<a href="javascript:;" class="aLightGray" title="ResizeObserverEntry">ResizeObserverEntry</a>
</div>
<div class="tit lineOverflow"><a href="/article/620496.html" title="ResizeObserver 为什么会循环触发：前端表格自适应列宽的防抖与断点" class="aBlack">ResizeObserver 为什么会循环触发：前端表格自适应列宽的防抖与断点</a></div>
<div class="opt">
<span><i class="view"></i>301</span>
<span class="collectBtn user_collection" data-id="620496" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2星期前 |
<a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> ·
<a href="/articletag/729_new_0_1.html" class="aLightGray" title="性能优化">性能优化</a> ·
<a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> ·
<a href="/articletag/40411_new_0_1.html" class="aLightGray" title="浏览器性能">浏览器性能</a> ·
<a href="/articletag/40412_new_0_1.html" class="aLightGray" title="PerformanceObserver">PerformanceObserver</a> ·
<a href="javascript:;" class="aLightGray" title="JSON解析">JSON解析</a>
<a href="javascript:;" class="aLightGray" title="PerformanceObserver">PerformanceObserver</a>
<a href="javascript:;" class="aLightGray" title="浏览器性能">浏览器性能</a>
<a href="javascript:;" class="aLightGray" title="Long Task">Long Task</a>
<a href="javascript:;" class="aLightGray" title="主线程卡顿">主线程卡顿</a>
</div>
<div class="tit lineOverflow"><a href="/article/620428.html" title="浏览器长任务怎么排查：用 PerformanceObserver 定位 50ms+ 主线程卡顿" class="aBlack">浏览器长任务怎么排查：用 PerformanceObserver 定位 50ms+ 主线程卡顿</a></div>
<div class="opt">
<span><i class="view"></i>421</span>
<span class="collectBtn user_collection" data-id="620428" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
</ul>
</div>
<!-- 课程推荐 -->
<div class="contBoxNor">
<div class="contTit">
<div class="tit">课程推荐</div>
<a href="/courselist.html" class="more">更多></a>
</div>
<ul class="classRecomList">
<li>
<a href="/course/9.html" title="前端进阶之JavaScript设计模式" class="img_box">
<img src="/uploads/20221222/52fd0f23a454c71029c2c72d206ed815.jpg" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="前端进阶之JavaScript设计模式">
</a>
<dl>
<dt class="lineOverflow">
前端进阶之JavaScript设计模式 </dt>
<dd class="cont1 lineOverflow">设计模式是开发人员在软件开发过程中面临一般问题时的解决方案，代表了最佳的实践。本课程的主打内容包括JS常见设计模式以及具体应用场景，打造一站式知识长龙服务，适合有JS基础的同学学习。</dd>
<dd class="cont2">
<a href="/course/9.html" title="前端进阶之JavaScript设计模式" class="toStudy">立即学习</a>
<span>543次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/2.html" title="GO语言核心编程课程" class="img_box">
<img src="/uploads/20221221/634ad7404159bfefc6a54a564d437b5f.png" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="GO语言核心编程课程">
</a>
<dl>
<dt class="lineOverflow">
GO语言核心编程课程 </dt>
<dd class="cont1 lineOverflow">本课程采用真实案例，全面具体可落地，从理论到实践，一步一步将GO核心编程技术、编程思想、底层实现融会贯通，使学习者贴近时代脉搏，做IT互联网时代的弄潮儿。</dd>
<dd class="cont2">
<a href="/course/2.html" title="GO语言核心编程课程" class="toStudy">立即学习</a>
<span>516次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/74.html" title="简单聊聊mysql8与网络通信" class="img_box">
<img src="/uploads/20240103/bad35fe14edbd214bee16f88343ac57c.png" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="简单聊聊mysql8与网络通信">
</a>
<dl>
<dt class="lineOverflow">
简单聊聊mysql8与网络通信 </dt>
<dd class="cont1 lineOverflow">如有问题加微信：Le-studyg；在课程中，我们将首先介绍MySQL8的新特性，包括性能优化、安全增强、新数据类型等，帮助学生快速熟悉MySQL8的最新功能。接着，我们将深入解析MySQL的网络通信机制，包括协议、连接管理、数据传输等，让</dd>
<dd class="cont2">
<a href="/course/74.html" title="简单聊聊mysql8与网络通信" class="toStudy">立即学习</a>
<span>500次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/57.html" title="JavaScript正则表达式基础与实战" class="img_box">
<img src="/uploads/20221226/bbe4083bb3cb0dd135fb02c31c3785fb.jpg" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="JavaScript正则表达式基础与实战">
</a>
<dl>
<dt class="lineOverflow">
JavaScript正则表达式基础与实战 </dt>
<dd class="cont1 lineOverflow">在任何一门编程语言中,正则表达式,都是一项重要的知识,它提供了高效的字符串匹配与捕获机制,可以极大的简化程序设计。</dd>
<dd class="cont2">
<a href="/course/57.html" title="JavaScript正则表达式基础与实战" class="toStudy">立即学习</a>
<span>487次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/28.html" title="从零制作响应式网站—Grid布局" class="img_box">
<img src="/uploads/20221223/ac110f88206daeab6c0cf38ebf5fe9ed.jpg" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="从零制作响应式网站—Grid布局">
</a>
<dl>
<dt class="lineOverflow">
从零制作响应式网站—Grid布局 </dt>
<dd class="cont1 lineOverflow">本系列教程将展示从零制作一个假想的网络科技公司官网，分为导航，轮播，关于我们，成功案例，服务流程，团队介绍，数据部分，公司动态，底部信息等内容区块。网站整体采用CSSGrid布局，支持响应式，有流畅过渡和展现动画。</dd>
<dd class="cont2">
<a href="/course/28.html" title="从零制作响应式网站—Grid布局" class="toStudy">立即学习</a>
<span>485次学习</span>
</dd>
</dl>
</li>
</ul>
</div>
</div>
<!-- footer -->
<div class="footer">
<ul>
<li ><a href="/" class="aLightGray"><em class="navIcon navIconHome"></em><span>首页</span></a></li>
<li class="curr"><a href="/articlelist.html" class="aLightGray"><em class="navIcon navIconRead"></em><span>阅读</span></a></li>
<li ><a href="/courselist.html" class="aLightGray"><em class="navIcon navIconCourse"></em><span>课程</span></a></li>
<li ><a href="/ai.html" class="aLightGray"><em class="navIcon navIconAi"></em><span>AI助手</span></a></li>
<li ><a href="/user.html" class="aLightGray"><em class="navIcon navIconUser"></em><span>我的</span></a></li>
</ul>
</div>
<script src="/assets/js/frontend/common.js" defer></script>
<script src="/assets/js/juejin-theme.js?v=20260613b" defer></script>
<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?e34c3e8ab31ba35d7e1c48ea8d77315f";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</body>
</html>
