当前位置：首页 > 文章列表 > 文章 > 前端 > HTML字符编码设置位置详解

HTML字符编码设置位置详解

2026-04-10 11:15:31 0浏览收藏

HTML中字符编码（charset）的声明位置至关重要：它必须作为``内第一个有效标签出现，否则浏览器在解析到前面的非ASCII字符（如中文、特殊符号或表情）时会触发编码重载，导致页面闪动、乱码甚至JS/CSS加载异常；推荐使用标准的``而非过时的`http-equiv`写法，且服务端HTTP响应头中的`Content-Type`优先级永远高于HTML内声明——二者冲突将引发性能损耗与兼容性风险；尤其在本地`file://`协议下，缺失或错位的charset声明会让乱码问题悄无声息地爆发，而许多模板引擎和静态站点生成器也不会自动补全，极易被开发者忽略。

HTML怎么设置字符编码_HTML charset声明位置说明【说明】

HTML charset必须写在最前面

浏览器解析HTML时，遇到第一个非ASCII字符就可能触发编码重载，如果charset声明太靠后，前面的中文、符号或特殊标点会乱码——哪怕你写了UTF-8也白搭。

常见错误现象：、问号方块、部分文字显示为乱码，但刷新后又正常（说明浏览器中途切换了编码）。

必须放在内，且是里**第一个**有实际作用的标签（注释和空格不算）
不能写在</code>后面、<code><meta name="viewport"></code>后面，更不能塞进<code><body></code></li> <li>推荐写法：<code><meta charset="UTF-8"></code>，不要用<code>http-equiv="Content-Type"</code>那种老式写法</li> </ul><h3>为什么不用<meta http-equiv="Content-Type"></h3> <p>这种写法本质是模拟HTTP头，但现代浏览器对它的解析优先级低、行为不一致，尤其在无网络环境（如本地<code>file://</code>协议打开）下大概率失效。</p> <p>使用场景：只在维护十多年前的老系统、且无法改<code><meta charset></code>时才考虑它。</p> <ul><li><code><meta charset="UTF-8"></code>是HTML5标准语法，浏览器支持度100%，解析快、位置敏感但明确</li> <li><code><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></code>容易被忽略，Safari 14之前在某些条件下会跳过</li> <li>二者参数差异：前者只认<code>charset</code>值；后者要求完整MIME类型字符串，拼错一个字符（比如多空格、少分号）就失效</li> </ul><h3>服务端Header和HTML meta冲突时谁赢</h3> <p>HTTP响应头里的<code>Content-Type</code>（含charset）优先级永远高于HTML里的<code><meta charset></code>。这不是bug，是规范设计。</p> <p>性能影响：如果服务端返回了<code>charset=GBK</code>，而你HTML里写<code>UTF-8</code>，浏览器会先按GBK解码，发现乱码后再重载——页面闪动、JS执行延迟、CSS加载中断都可能发生。</p> <ul><li>查服务端编码：用浏览器开发者工具的Network面板看Response Headers里的<code>Content-Type</code></li> <li>PHP用户注意：<code>header("Content-Type: text/html; charset=UTF-8");</code>必须在任何输出前调用</li> <li>Node.js/Express用户：确保<code>res.set("Content-Type", "text/html; charset=utf-8")</code>早于<code>res.send()</code></li> </ul><h3>不写charset时浏览器怎么猜</h3> <p>没声明charset时，浏览器会按默认编码（通常是系统locale相关）尝试解码，比如Windows简体中文系统默认用<code>GBK</code>，Mac默认用<code>UTF-8</code>——同一份HTML在不同机器上显示结果可能完全不同。</p> <p>兼容性影响：IE6–8会直接按系统编码硬解，Chrome/Firefox虽有BOM检测和统计分析，但遇到无BOM的UTF-8文件仍可能误判为ISO-8859-1。</p> <ul><li>即使所有文字都是ASCII（a-z, 0-9），也不代表安全——CSS里的<code>content: "→";</code>、JS里的<code>const str = "✅";</code>都可能触发解码失败</li> <li>生成HTML的模板引擎（如Jinja2、EJS）默认不自动加<code>charset</code>，要手动补</li> <li>静态站点生成器（如Hugo、VuePress）一般自带，但主题模板若覆盖了<code><head></code>，可能意外删掉它</li> </ul> 事情说清了就结束。最容易被忽略的是：本地开发时<code>file://</code>协议下没有HTTP头，全靠<code><meta charset></code>撑着，这时候位置不对或漏写，乱码问题会来得特别突然、特别安静。<p>今天关于《HTML字符编码设置位置详解》的内容就介绍到这里了，是不是学起来一目了然！想要了解更多关于的内容请关注golang学习网公众号！</p> </div> <div class="labsList"> </div> <div class="cateBox"> <div class="cateItem"> <a href="/article/562998.html" title="BOM电话拨号功能实现详解" class="img_box"> <img src="/uploads/20260410/177579087869d86b1e38cc5.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="BOM电话拨号功能实现详解">BOM电话拨号功能实现详解 </a> <dl> <dt class="lineOverflow"><a href="/article/562998.html" title="BOM电话拨号功能实现详解" class="aBlack">上一篇<i></i></a></dt> <dd class="lineTwoOverflow">BOM电话拨号功能实现详解</dd> </dl> </div> <div class="cateItem"> <a href="/article/563000.html" title="Django配置Redis缓存加速数据库访问" class="img_box"> <img src="/uploads/20260410/177579094469d86b603bde5.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="Django配置Redis缓存加速数据库访问"> </a> <dl> <dt class="lineOverflow"><a href="/article/563000.html" class="aBlack" title="Django配置Redis缓存加速数据库访问">下一篇<i></i></a></dt> <dd class="lineTwoOverflow">Django配置Redis缓存加速数据库访问</dd> </dl> </div> </div> </div> </div> <div class="leftContBox pt0"> <div class="pdl20"> <div class="contTit"> <a href="/articlelist.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit">最新文章</div> </div> </div> <ul class="newArticleList"> <li> <div class="contBox"> <a href="/article/619962.html" class="img_box" title="前端弹窗层级治理工作流：从 z-index 混乱到 Portal 容器规范"> <img src="/uploads/20260615/1781506972-modal-layer-workflow.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端弹窗层级治理工作流：从 z-index 混乱到 Portal 容器规范"> </a> <dl> <dd class="cont1"> <span> <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> | 3小时前 | <a href="/articletag/228_new_0_1.html" class="aLightGray" title="工程化">工程化</a> · <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/39876_new_0_1.html" class="aLightGray" title="弹窗">弹窗</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="z-index">z-index</a> <a href="javascript:;" class="aLightGray" title="遮罩层">遮罩层</a> <a href="javascript:;" class="aLightGray" title="stacking context">stacking context</a> <a href="javascript:;" class="aLightGray" title="Portal">Portal</a> <a href="javascript:;" class="aLightGray" title="弹窗层级">弹窗层级</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619962.html" class="aBlack" target="_blank" title="前端弹窗层级治理工作流：从 z-index 混乱到 Portal 容器规范">前端弹窗层级治理工作流：从 z-index 混乱到 Portal 容器规范</a> </dt> <dd class="cont2"> <span><i class="view"></i>350浏览</span> <span class="collectBtn user_collection" data-id="619962" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619961.html" class="img_box" title="前端筛选条件刷新后丢失怎么办：从内存状态到 URL 参数一步步排查"> <img src="/uploads/20260615/1781505934-filter-refresh-lost.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端筛选条件刷新后丢失怎么办：从内存状态到 URL 参数一步步排查"> </a> <dl> <dd class="cont1"> <span> <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> | 3小时前 | <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/39873_new_0_1.html" class="aLightGray" title="URL参数">URL参数</a> · <a href="/articletag/39874_new_0_1.html" class="aLightGray" title="列表筛选">列表筛选</a> · <a href="/articletag/39875_new_0_1.html" class="aLightGray" title="页面状态">页面状态</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="筛选条件">筛选条件</a> <a href="javascript:;" class="aLightGray" title="列表页">列表页</a> <a href="javascript:;" class="aLightGray" title="history.replaceState">history.replaceState</a> <a href="javascript:;" class="aLightGray" title="URLSearchParams">URLSearchParams</a> <a href="javascript:;" class="aLightGray" title="刷新还原">刷新还原</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619961.html" class="aBlack" target="_blank" title="前端筛选条件刷新后丢失怎么办：从内存状态到 URL 参数一步步排查">前端筛选条件刷新后丢失怎么办：从内存状态到 URL 参数一步步排查</a> </dt> <dd class="cont2"> <span><i class="view"></i>348浏览</span> <span class="collectBtn user_collection" data-id="619961" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619956.html" class="img_box" title="前端详情页返回列表丢失滚动位置怎么办：从复现到恢复一步步排查"> <img src="/uploads/20260615/1781498568-render-timing-check.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端详情页返回列表丢失滚动位置怎么办：从复现到恢复一步步排查"> </a> <dl> <dd class="cont1"> <span> <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> | 5小时前 | <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/1195_new_0_1.html" class="aLightGray" title="路由">路由</a> · <a href="/articletag/4701_new_0_1.html" class="aLightGray" title="javascript">javascript</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="用户体验">用户体验</a> <a href="javascript:;" class="aLightGray" title="滚动位置">滚动位置</a> <a href="javascript:;" class="aLightGray" title="路由缓存">路由缓存</a> <a href="javascript:;" class="aLightGray" title="scrollRestoration">scrollRestoration</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619956.html" class="aBlack" target="_blank" title="前端详情页返回列表丢失滚动位置怎么办：从复现到恢复一步步排查">前端详情页返回列表丢失滚动位置怎么办：从复现到恢复一步步排查</a> </dt> <dd class="cont2"> <span><i class="view"></i>458浏览</span> <span class="collectBtn user_collection" data-id="619956" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619952.html" class="img_box" title="前端登录后接口仍是未登录怎么办：从 Cookie 是否发送一步步排查"> <img src="/uploads/20260615/1781493227-frontend-cookie-login-failure-flow.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端登录后接口仍是未登录怎么办：从 Cookie 是否发送一步步排查"> </a> <dl> <dd class="cont1"> <span> <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> | 7小时前 | <a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> · <a href="/articletag/1200_new_0_1.html" class="aLightGray" title="Cookie">Cookie</a> · <a href="/articletag/4720_new_0_1.html" class="aLightGray" title="cors">cors</a> · <a href="/articletag/39789_new_0_1.html" class="aLightGray" title="接口调试">接口调试</a> · <a href="/articletag/39862_new_0_1.html" class="aLightGray" title="登录态">登录态</a> · <a href="/articletag/39867_new_0_1.html" class="aLightGray" title="问题排查">问题排查</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="cookie">cookie</a> <a href="javascript:;" class="aLightGray" title="cors">cors</a> <a href="javascript:;" class="aLightGray" title="Fetch">Fetch</a> <a href="javascript:;" class="aLightGray" title="SameSite">SameSite</a> <a href="javascript:;" class="aLightGray" title="登录态">登录态</a> <a href="javascript:;" class="aLightGray" title="接口401">接口401</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619952.html" class="aBlack" target="_blank" title="前端登录后接口仍是未登录怎么办：从 Cookie 是否发送一步步排查">前端登录后接口仍是未登录怎么办：从 Cookie 是否发送一步步排查</a> </dt> <dd class="cont2"> <span><i class="view"></i>124浏览</span> <span class="collectBtn user_collection" data-id="619952" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619915.html" class="img_box" title="前端错误监控实战：onerror、unhandledrejection 和 sourcemap 定位问题"> <img src="/uploads/20260613/1781316169-frontend-error-report-pipeline.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端错误监控实战：onerror、unhandledrejection 和 sourcemap 定位问题"> </a> <dl> <dd class="cont1"> <span> <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天前 | <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/20618_new_0_1.html" class="aLightGray" title="sourcemap">sourcemap</a> · <a href="/articletag/39819_new_0_1.html" class="aLightGray" title="错误监控">错误监控</a> · <a href="/articletag/39820_new_0_1.html" class="aLightGray" title="线上排查">线上排查</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="错误监控">错误监控</a> <a href="javascript:;" class="aLightGray" title="告警">告警</a> <a href="javascript:;" class="aLightGray" title="onerror">onerror</a> <a href="javascript:;" class="aLightGray" title="sourcemap">sourcemap</a> <a href="javascript:;" class="aLightGray" title="unhandledrejection">unhandledrejection</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619915.html" class="aBlack" target="_blank" title="前端错误监控实战：onerror、unhandledrejection 和 sourcemap 定位问题">前端错误监控实战：onerror、unhandledrejection 和 sourcemap 定位问题</a> </dt> <dd class="cont2"> <span><i class="view"></i>331浏览</span> <span class="collectBtn user_collection" data-id="619915" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619912.html" class="img_box" title="前端 localStorage 缓存治理实战：过期时间、版本号和异常兜底"> <img src="/uploads/20260613/1781314150-frontend-storage-expire-flow.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端 localStorage 缓存治理实战：过期时间、版本号和异常兜底"> </a> <dl> <dd class="cont1"> <span> <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天前 | <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/39749_new_0_1.html" class="aLightGray" title="缓存治理">缓存治理</a> · <a href="/articletag/39813_new_0_1.html" class="aLightGray" title="localStorage">localStorage</a> · <a href="/articletag/39814_new_0_1.html" class="aLightGray" title="Web性能">Web性能</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="本地缓存">本地缓存</a> <a href="javascript:;" class="aLightGray" title="localStorage">localStorage</a> <a href="javascript:;" class="aLightGray" title="过期时间">过期时间</a> <a href="javascript:;" class="aLightGray" title="版本迁移">版本迁移</a> <a href="javascript:;" class="aLightGray" title="异常兜底">异常兜底</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619912.html" class="aBlack" target="_blank" title="前端 localStorage 缓存治理实战：过期时间、版本号和异常兜底">前端 localStorage 缓存治理实战：过期时间、版本号和异常兜底</a> </dt> <dd class="cont2"> <span><i class="view"></i>480浏览</span> <span class="collectBtn user_collection" data-id="619912" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619911.html" class="img_box" title="前端图片懒加载实战：用 IntersectionObserver 降低首屏压力"> <img src="/uploads/20260613/1781313103-frontend-lazyload-first-screen.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端图片懒加载实战：用 IntersectionObserver 降低首屏压力"> </a> <dl> <dd class="cont1"> <span> <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天前 | <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/39811_new_0_1.html" class="aLightGray" title="图片优化">图片优化</a> · <a href="/articletag/39812_new_0_1.html" class="aLightGray" title="IntersectionObserver">IntersectionObserver</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="图片懒加载">图片懒加载</a> <a href="javascript:;" class="aLightGray" title="IntersectionObserver">IntersectionObserver</a> <a href="javascript:;" class="aLightGray" title="Web性能">Web性能</a> <a href="javascript:;" class="aLightGray" title="首屏优化">首屏优化</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619911.html" class="aBlack" target="_blank" title="前端图片懒加载实战：用 IntersectionObserver 降低首屏压力">前端图片懒加载实战：用 IntersectionObserver 降低首屏压力</a> </dt> <dd class="cont2"> <span><i class="view"></i>184浏览</span> <span class="collectBtn user_collection" data-id="619911" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619889.html" class="img_box" title="前端表单重复提交治理实战：请求锁、按钮状态和失败回滚"> <img src="/uploads/20260613/1781293764-frontend-submit-flow.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端表单重复提交治理实战：请求锁、按钮状态和失败回滚"> </a> <dl> <dd class="cont1"> <span> <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天前 | <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/39701_new_0_1.html" class="aLightGray" title="工程实践">工程实践</a> · <a href="/articletag/39796_new_0_1.html" class="aLightGray" title="表单">表单</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="表单提交">表单提交</a> <a href="javascript:;" class="aLightGray" title="重复提交">重复提交</a> <a href="javascript:;" class="aLightGray" title="幂等">幂等</a> <a href="javascript:;" class="aLightGray" title="请求锁">请求锁</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619889.html" class="aBlack" target="_blank" title="前端表单重复提交治理实战：请求锁、按钮状态和失败回滚">前端表单重复提交治理实战：请求锁、按钮状态和失败回滚</a> </dt> <dd class="cont2"> <span><i class="view"></i>273浏览</span> <span class="collectBtn user_collection" data-id="619889" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619878.html" class="img_box" title="前端虚拟列表实战：10 万条数据如何只渲染可视区域"> <img src="/uploads/20260613/1781282747-virtual-list-problem.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端虚拟列表实战：10 万条数据如何只渲染可视区域"> </a> <dl> <dd class="cont1"> <span> <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天前 | <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/39783_new_0_1.html" class="aLightGray" title="虚拟列表">虚拟列表</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="虚拟列表">虚拟列表</a> <a href="javascript:;" class="aLightGray" title="滚动优化">滚动优化</a> <a href="javascript:;" class="aLightGray" title="大数据渲染">大数据渲染</a> <a href="javascript:;" class="aLightGray" title="DOM性能">DOM性能</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619878.html" class="aBlack" target="_blank" title="前端虚拟列表实战：10 万条数据如何只渲染可视区域">前端虚拟列表实战：10 万条数据如何只渲染可视区域</a> </dt> <dd class="cont2"> <span><i class="view"></i>352浏览</span> <span class="collectBtn user_collection" data-id="619878" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619860.html" class="img_box" title="前端搜索竞态治理实战：用 AbortController 取消过期请求"> <img src="/uploads/20260612/1781257162-abortcontroller-search-flow.jpg" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端搜索竞态治理实战：用 AbortController 取消过期请求"> </a> <dl> <dd class="cont1"> <span> <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> | 3天前 | <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/14161_new_0_1.html" class="aLightGray" title="fetch">fetch</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="搜索优化">搜索优化</a> <a href="javascript:;" class="aLightGray" title="Fetch">Fetch</a> <a href="javascript:;" class="aLightGray" title="AbortController">AbortController</a> <a href="javascript:;" class="aLightGray" title="请求竞态">请求竞态</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619860.html" class="aBlack" target="_blank" title="前端搜索竞态治理实战：用 AbortController 取消过期请求">前端搜索竞态治理实战：用 AbortController 取消过期请求</a> </dt> <dd class="cont2"> <span><i class="view"></i>178浏览</span> <span class="collectBtn user_collection" data-id="619860" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619858.html" class="img_box" title="前端长任务治理实战：用 PerformanceObserver 找出页面卡顿源头"> <img src="/uploads/20260612/1781235807-long-task-observer.jpg" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端长任务治理实战：用 PerformanceObserver 找出页面卡顿源头"> </a> <dl> <dd class="cont1"> <span> <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> | 3天前 | </span> </dd> <dt class="lineOverflow"> <a href="/article/619858.html" class="aBlack" target="_blank" title="前端长任务治理实战：用 PerformanceObserver 找出页面卡顿源头">前端长任务治理实战：用 PerformanceObserver 找出页面卡顿源头</a> </dt> <dd class="cont2"> <span><i class="view"></i>423浏览</span> <span class="collectBtn user_collection" data-id="619858" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619691.html" class="img_box" title="CSS数字显示统一技巧，OpenType特性应用方法"> <img src="/uploads/20260601/17802914206a1d175ca6b74.jpg" onerror="this.src='/assets/images/moren/morentu.png'" alt="CSS数字显示统一技巧，OpenType特性应用方法"> </a> <dl> <dd class="cont1"> <span> <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 | </span> </dd> <dt class="lineOverflow"> <a href="/article/619691.html" class="aBlack" target="_blank" title="CSS数字显示统一技巧，OpenType特性应用方法">CSS数字显示统一技巧，OpenType特性应用方法</a> </dt> <dd class="cont2"> <span><i class="view"></i>209浏览</span> <span class="collectBtn user_collection" data-id="619691" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> </ul> </div> </div> <div class="mainRight">  <div class="rightContBox" style="margin-top: 0px;"> <div class="rightTit"> <a href="/courselist.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit lineOverflow">课程推荐</div> </div> <ul class="lessonRecomRList"> <li> <a href="/course/9.html" class="img_box" target="_blank" title="前端进阶之JavaScript设计模式"> <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="lineTwoOverflow"><a href="/course/9.html" target="_blank" class="aBlack" title="前端进阶之JavaScript设计模式">前端进阶之JavaScript设计模式</a></dt> <dd class="cont1 lineTwoOverflow"> 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">543次学习</dd> </dl> </li> <li> <a href="/course/2.html" class="img_box" target="_blank" title="GO语言核心编程课程"> <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="lineTwoOverflow"><a href="/course/2.html" target="_blank" class="aBlack" title="GO语言核心编程课程">GO语言核心编程课程</a></dt> <dd class="cont1 lineTwoOverflow"> 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">516次学习</dd> </dl> </li> <li> <a href="/course/74.html" class="img_box" target="_blank" title="简单聊聊mysql8与网络通信"> <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="lineTwoOverflow"><a href="/course/74.html" target="_blank" class="aBlack" title="简单聊聊mysql8与网络通信">简单聊聊mysql8与网络通信</a></dt> <dd class="cont1 lineTwoOverflow"> 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">500次学习</dd> </dl> </li> <li> <a href="/course/57.html" class="img_box" target="_blank" title="JavaScript正则表达式基础与实战"> <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="lineTwoOverflow"><a href="/course/57.html" target="_blank" class="aBlack" title="JavaScript正则表达式基础与实战">JavaScript正则表达式基础与实战</a></dt> <dd class="cont1 lineTwoOverflow"> 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">487次学习</dd> </dl> </li> <li> <a href="/course/28.html" class="img_box" target="_blank" title="从零制作响应式网站—Grid布局"> <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="lineTwoOverflow"><a href="/course/28.html" target="_blank" class="aBlack" title="从零制作响应式网站—Grid布局">从零制作响应式网站—Grid布局</a></dt> <dd class="cont1 lineTwoOverflow"> 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">485次学习</dd> </dl> </li> </ul> </div> <div class="rightContBox"> <div class="rightTit"> <a href="/ai.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit lineOverflow">AI推荐</div> </div> <ul class="lessonRecomRList"> <li> <a href="/ai/13103.html" target="_blank" title="MiMo Code - 小米大模型团队开源的新一代 AI 编程助手" class="img_box"> <img src="/uploads/ai/20260615/mimo-code-icon-df61883944.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="MiMo Code - 小米大模型团队开源的新一代 AI 编程助手" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13103.html" class="aBlack" target="_blank" title="MiMo Code">MiMo Code</a></dt> <dd class="cont1 lineTwoOverflow"> MiMo Code 是小米大模型团队开源的新一代 AI 编程助手，面向开发者提供代码理解、生成与辅助开发能力，适合作为 AI 编程工具收藏和体验。 </dd> <dd class="cont2">50次使用</dd> </dl> </li> <li> <a href="/ai/13102.html" target="_blank" title="TRAE Work - 字节跳动推出的 AI 原生工作台" class="img_box"> <img src="/uploads/ai/20260615/trae-work-icon-14916d46a4.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="TRAE Work - 字节跳动推出的 AI 原生工作台" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13102.html" class="aBlack" target="_blank" title="TRAE Work">TRAE Work</a></dt> <dd class="cont1 lineTwoOverflow"> TRAE AI IDE | 国内首款 AI 原生集成开发环境，深度集成 Doubao-1.5-pro 与 DeepSeek 模型，支持中文自然语言一键生成完整代码框架，实时预览前端效果并智能修复 BUG。首创 Builder 模式实现需求到代码的自动化开发，兼容 Windows/macOS 系统，官网下载即用。 </dd> <dd class="cont2">75次使用</dd> </dl> </li> <li> <a href="/ai/13101.html" target="_blank" title="MeloLab - 一站式 AI 音乐生成与编辑平台" class="img_box"> <img src="/uploads/ai/20260615/melolab-icon-01966983df.svg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="MeloLab - 一站式 AI 音乐生成与编辑平台" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13101.html" class="aBlack" target="_blank" title="MeloLab">MeloLab</a></dt> <dd class="cont1 lineTwoOverflow"> MeloLab 是一款 AI 音乐生成工具，可根据文本创意生成歌曲、人声、混音、分轨和背景音乐，适合创作者快速制作音乐素材。 </dd> <dd class="cont2">55次使用</dd> </dl> </li> <li> <a href="/ai/13100.html" target="_blank" title="ChatExcel酷表：告别Excel难题，北大团队AI助手助您轻松处理数据" class="img_box"> <img src="/uploads/20251027/176155320368ff2b3345c06.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="ChatExcel酷表：告别Excel难题，北大团队AI助手助您轻松处理数据" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13100.html" class="aBlack" target="_blank" title="ChatExcel酷表">ChatExcel酷表</a></dt> <dd class="cont1 lineTwoOverflow"> ChatExcel酷表是由北京大学团队打造的Excel聊天机器人，用自然语言操控表格，简化数据处理，告别繁琐操作，提升工作效率！适用于学生、上班族及政府人员。 </dd> <dd class="cont2">8710次使用</dd> </dl> </li> <li> <a href="/ai/13099.html" target="_blank" title="Any绘本：开源免费AI绘本创作工具深度解析" class="img_box"> <img src="/uploads/20251023/176120760368f9e5333da5f.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="Any绘本：开源免费AI绘本创作工具深度解析" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13099.html" class="aBlack" target="_blank" title="Any绘本">Any绘本</a></dt> <dd class="cont1 lineTwoOverflow"> 探索Any绘本（anypicturebook.com/zh），一款开源免费的AI绘本创作工具，基于Google Gemini与Flux AI模型，让您轻松创作个性化绘本。适用于家庭、教育、创作等多种场景，零门槛，高自由度，技术透明，本地可控。 </dd> <dd class="cont2">9121次使用</dd> </dl> </li> </ul> </div>  <div class="rightContBox"> <div class="rightTit"> <a href="/articlelist.html" class="more" title="查看更多">查看更多<i class="iconfont"></i></a> <div class="tit lineOverflow">相关文章</div> </div> <ul class="aboutArticleRList"> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/207000.html" class="aBlack" title="JavaScript函数定义及示例详解">JavaScript函数定义及示例详解</a></dt> <dd> <span class="left">2025-05-11</span> <span class="right">502浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/72840.html" class="aBlack" title="优化用户界面体验的秘密武器：CSS开发项目经验大揭秘">优化用户界面体验的秘密武器：CSS开发项目经验大揭秘</a></dt> <dd> <span class="left">2023-11-03</span> <span class="right">501浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/76259.html" class="aBlack" title="使用微信小程序实现图片轮播特效">使用微信小程序实现图片轮播特效</a></dt> <dd> <span class="left">2023-11-21</span> <span class="right">501浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/83771.html" class="aBlack" title="解析sessionStorage的存储能力与限制">解析sessionStorage的存储能力与限制</a></dt> <dd> <span class="left">2024-01-11</span> <span class="right">501浏览</span> </dd> </dl> </li> <li> <dl> <dt class="lineTwoOverflow"><a href="/article/85057.html" class="aBlack" title="探索冒泡活动对于团队合作的推动力">探索冒泡活动对于团队合作的推动力</a></dt> <dd> <span class="left">2024-01-13</span> <span class="right">501浏览</span> </dd> </dl> </li> </ul> </div> </div> </div> <div class="footer"> <div class="footerIn"> <div class="footLeft"> <div class="linkBox"> <a href="/about/1.html" target="_blank" class="aBlack" title="关于我们">关于我们</a> <a href="/about/5.html" target="_blank" class="aBlack" title="免责声明">免责声明</a> <a href="#" class="aBlack" title="意见反馈">意见反馈</a> <a href="/about/2.html" class="aBlack" target="_blank" title="联系我们">联系我们</a> <a href="/send.html" class="aBlack" title="广告合作">内容提交</a> <a href="/manual/go/" target="_blank" class="aBlack" title="手册">手册</a> </div> <div class="footTip">Golang学习网：公益在线Go学习平台，帮助Go学习者快速成长！</div> <div class="shareBox"> <span><i class="qq"></i>技术交流群</span> </div> <div class="copyRight"> Copyright 2023 http://www.17golang.com/ All Rights Reserved ｜ <a href="https://beian.miit.gov.cn/" target="_blank" title="备案">苏ICP备2023003363号-1</a> </div> </div> <div class="footRight"> <ul class="encodeList"> <li> <div class="encodeImg"> <img src="/assets/examples/qrcode_for_gh.jpg" alt="Golang学习网"> </div> <div class="tit">关注公众号</div> <div class="tip">Golang学习网</div> </li> <div class="clear"></div> </ul> </div> <div class="clear"></div> </div> </div>  <style> .popupBg .n-error{ color: red; } </style> <div class="popupBg"> <div class="loginBoxBox"> <div class="imgbg"> <img src="/assets/images/leftlogo.jpg" alt=""> </div>  <div class="loginInfo encodeLogin" style="display: none;"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="changeLoginType cursorPointer create_wxqrcode" onclick="$('.loginInfo').hide();$('.passwordLogin').show();"> <div class="tip">密码登录在这里</div> </div> <div class="encodeInfo"> <div class="tit"><i></i> 微信扫码登录或注册</div> <div class="encodeImg"> <span id="wx_login_qrcode"><img src="/assets/examples/code.png" alt="二维码"></span>  </div> <div class="tip">打开微信扫一扫，快速登录/注册</div> </div> <div class="beforeLoginTip">登录即同意 <a href="#" class="aBlue" title="用户协议">用户协议</a> 和 <a href="#" class="aBlue" title="隐私政策">隐私政策</a></div> </div>  <div class="loginInfo passwordLogin"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="changeLoginType cursorPointer create_wxqrcode" onclick="$('.loginInfo').hide();$('.encodeLogin').show();"> <div class="tip">微信登录更方便</div> </div> <div class="passwordInfo"> <ul class="logintabs selfTabMenu"> <li class="selfTabItem loginFormLi curr">密码登录</li> <li class="selfTabItem registerFormBox ">注册账号</li> </ul> <div class="selfTabContBox"> <div class="selfTabCont loginFormBox" style="display: block;"> <form name="form" id="login-form" class="form-vertical form" method="POST" action="/index/user/login"> <input type="hidden" name="url" value="//17golang.com/article/562999.html"/> <input type="hidden" name="__token__" value="f1fff25e815da22e874128e5165956fa" /> <div class="form-group" style="height:70px;"> <input class="form-control" id="account" type="text" name="account" value="" data-rule="required" placeholder="邮箱/用户名" autocomplete="off"> </div> <div class="form-group" style="height:70px;"> <input class="form-control" id="password" type="password" name="password" data-rule="required;password" placeholder="密码" autocomplete="off"> </div> <div class="codeBox" style="height:70px;"> <div class="form-group" style="height:70px; width:205px; float: left;"> <input type="text" name="captcha" class="form-control" placeholder="验证码" data-rule="required;length(4)" /> </div> <span class="input-group-btn" style="padding:0;border:none;"> <img src="/captcha.html" width="100" height="45" onclick="this.src = '/captcha.html?r=' + Math.random();"/> </span> </div> <div class="other"> <a href="#" class="forgetPwd aGray" onclick="$('.loginInfo').hide();$('.passwordForget').show();" title="忘记密码">忘记密码</a> </div> <div class="loginBtn mt25"> <button type="submit">登录</button> </div> </form> </div> <div class="selfTabCont registerFormBox" style="display: none;"> <form name="form1" id="register-form" class="form-vertical form" method="POST" action="/index/user/register"> <input type="hidden" name="invite_user_id" value="0"/> <input type="hidden" name="url" value="//17golang.com/article/562999.html"/> <input type="hidden" name="__token__" value="f1fff25e815da22e874128e5165956fa" /> <div class="form-group" style="height:70px;"> <input type="text" name="email" id="email2" data-rule="required;email" class="form-control" placeholder="邮箱"> </div> <div class="form-group" style="height:70px;"> <input type="text" id="username" name="username" data-rule="required;username" class="form-control" placeholder="用户名必须3-30个字符"> </div> <div class="form-group" style="height:70px;"> <input type="password" id="password2" name="password" data-rule="required;password" class="form-control" placeholder="密码必须6-30个字符"> </div> <div class="codeBox" style="height:70px;"> <div class="form-group" style="height:70px; width:205px; float: left;"> <input type="text" name="captcha" class="form-control" placeholder="验证码" data-rule="required;length(4)" /> </div> <span class="input-group-btn" style="padding:0;border:none;"> <img src="/captcha.html" width="100" height="45" onclick="this.src = '/captcha.html?r=' + Math.random();"/> </span> </div> <div class="loginBtn"> <button type="submit">注册</button> </div> </form> </div> </div> </div> <div class="beforeLoginTip">登录即同意 <a href="https://www.17golang.com/about/3.html" target="_blank" class="aBlue" title="用户协议">用户协议</a> 和 <a href="https://www.17golang.com/about/4.html" target="_blank" class="aBlue" title="隐私政策">隐私政策</a></div> </div>  <div class="loginInfo passwordForget"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="returnLogin cursorPointer" onclick="$('.passwordForget').hide();$('.passwordLogin').show();">返回登录</div> <div class="passwordInfo"> <ul class="logintabs selfTabMenu"> <li class="selfTabItem">重置密码</li> </ul> <div class="selfTabContBox"> <div class="selfTabCont"> <form id="resetpwd-form" class="form-horizontal form-layer nice-validator n-default n-bootstrap form" method="POST" action="/api/user/resetpwd.html" novalidate="novalidate"> <div style="height:70px;"> <input type="text" class="form-control" id="email" name="email" value="" placeholder="输入邮箱" aria-invalid="true"> </div> <div class="codeBox" style="height:70px;"> <div class="form-group" style="height:70px; width:205px; float: left;"> <input type="text" name="captcha" class="form-control" placeholder="验证码" /> </div> <span class="input-group-btn" style="padding:0;border:none;"> <a href="javascript:;" class="btn btn-primary btn-captcha cursorPointer" style="background: #2080F8; border-radius: 4px; color: #fff; padding: 12px; position: absolute;" data-url="/api/ems/send.html" data-type="email" data-event="resetpwd">发送验证码</a> </span> </div> <input type="password" class="form-control" id="newpassword" name="newpassword" value="" placeholder="请输入6-18位密码"> <div class="loginBtn mt25"> <button type="submit">重置密码</button> </div> </form> </div> </div> </div> </div> </div> </div> <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?3dc5666f6478c7bf39cd5c91e597423d"; hm.async = true; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <script src="/assets/js/frontend/common.js"></script> </body> </html>