HTML5文件怎么在浏览器打开运行
时间：2026-01-12 16:43:44
256浏览
收藏
IT行业相对于一般传统行业，发展更新速度更快，一旦停止了学习，很快就会被行业所淘汰。所以我们需要踏踏实实的不断学习，精进自己的技术，尤其是初学者。今天golang学习网给大家整理了《HTML5文件如何在浏览器运行》，聊聊，我们一起来看看吧！
HTML5文件需具备标准结构、用现代浏览器打开、通过HTTP服务器运行、验证HTML5支持并排除编码路径错误才能正常渲染。
如果您创建了一个HTML5文件，但双击打开时显示空白或代码未正确渲染，则可能是由于缺少标准的HTML5文档结构或未在支持HTML5的浏览器环境中运行。以下是让HTML5文件在浏览器中正常运行的具体步骤：
一、确保HTML5文件具有正确的文档结构
HTML5文件必须以标准的DOCTYPE声明开头，并包含完整的html、head和body结构，否则浏览器可能以怪异模式解析，导致样式和脚本失效。
1、使用文本编辑器（如VS Code、Notepad++）打开您的HTML文件。
2、确认第一行是，且无任何空格或字符前置。
3、检查是否包含、
与
、
标签，以及闭合的</head>与<body></body>结构。</p>
<p>4、保存文件，确保扩展名为<strong><font color="green">.html</font></strong>或<strong><font color="green">.htm</font></strong>，而非.txt。</p>
<h2>二、使用现代浏览器直接打开HTML5文件</h2>
<p>HTML5依赖浏览器内置的解析引擎，旧版IE或非标准内核浏览器可能无法识别新语义标签或API，因此必须选用兼容性良好的主流浏览器。</p>
<p>1、右键点击HTML文件，选择“打开方式” → “Microsoft Edge”或“Google Chrome”或“Firefox”。</p>
<p>2、若默认浏览器不支持HTML5特性，可拖拽该HTML文件至已打开的Chrome窗口地址栏区域释放。</p>
<p>3、观察地址栏URL是否以<strong><font color="green">file://</font></strong>开头；此为本地文件协议，允许基础HTML5渲染，但部分API（如fetch本地文件、Service Worker）将受限。</p>
<h2>三、通过本地HTTP服务器启动HTML5页面</h2>
<p>某些HTML5功能（如模块化JavaScript导入、fetch API读取本地JSON、Web Components定义）要求页面运行在HTTP协议下，而file://协议会触发跨域或权限限制。</p>
<p>1、在HTML文件所在文件夹内，按住Shift键右键，选择“在此处打开PowerShell窗口”（Windows）或“在终端中打开”（macOS/Linux）。</p>
<p>2、执行命令：<strong><font color="green">npx http-server -c-1</font></strong>（需已安装Node.js）；若未安装，可下载轻量工具如Live Server插件（VS Code）或Python内置服务器。</p>
<p>3、终端输出类似<strong><font color="green">http://127.0.0.1:8080</font></strong>的地址，复制该链接到Chrome中访问。</p>
<h2>四、验证浏览器是否启用HTML5支持</h2>
<p>即使使用现代浏览器，某些企业策略或用户设置可能禁用HTML5相关功能，需手动确认关键API可用性。</p>
<p>1、在浏览器地址栏输入<strong><font color="green">about:version</font></strong>（Chrome/Edge）或<strong><font color="green">about:support</font></strong>（Firefox），查看版本号是否为当前稳定版。</p>
<p>2、新建一个空白HTML文件，写入<canvas id="test"></canvas>，并在script中执行<strong><font color="green">const c = document.getElementById('test').getContext('2d');</font></strong>，控制台无报错即Canvas支持正常。</p>
<p>3、访问<strong><font color="green">https://html5test.com</font></strong>，获取当前浏览器HTML5功能得分及缺失项列表。</p>
<h2>五、排除编码与路径常见错误</h2>
<p>中文路径、非UTF-8编码或相对资源路径错误会导致HTML5页面加载失败，尤其是引入外部CSS、JS或图片时。</p>
<p>1、在<head>中确认存在<strong><font color="green"><meta charset="UTF-8"></font></strong>，且文件实际保存编码也为UTF-8（无BOM）。</p>
<p>2、检查所有src或href属性中的路径：使用<strong><font color="green">./images/logo.png</font></strong>而非<strong><font color="green">C:\project\images\logo.png</font></strong>。</p>
<p>3、若引用本地字体或视频，确保文件存在于指定子目录，且文件名大小写与代码中完全一致（Linux/macOS区分大小写）。</p><p>以上就是本文的全部内容了，是否有顺利帮助你解决问题？若是能给你带来学习上的帮助，请大家多多支持golang学习网！更多关于文章的相关知识，也可关注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>
| 21小时前 |
</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>
| 23小时前 |
<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>
