表单验证技巧：valid与invalid使用详解

本文澄清了CSS中并不存在标准伪类`:valid-within`这一常见误解，明确指出目前浏览器仅原生支持作用于单个表单控件的`:valid`和`:invalid`伪类，它们无法感知或聚合整个表单组的验证状态；若需实现“表单组整体验证通过”的实时视觉反馈（如密码确认区块、地址填写区等），必须借助JavaScript监听`input`/`blur`事件并调用`checkValidity()`进行手动校验，再动态切换容器类名——这是当前最可靠、兼容性最佳且性能可控的实践方案，而依赖`:has()`等新CSS特性仍面临支持限制与逻辑缺陷，不建议作为替代。

什么是 :valid-within？它根本不存在

浏览器目前（截至 2024 年中）**不支持** :valid-within 这个伪类。它既不是 CSS 规范中的标准特性，也不在任何主流引擎（Chrome、Firefox、Safari、Edge）中实现。如果你在文档或某篇博客里看到它被当作可用功能演示，那大概率是混淆了概念、笔误，或是基于某个未落地的提案草稿。

:valid 和 :invalid 只作用于单个表单控件

原生表单验证反馈依赖的是每个 、、</code> 自身的 <code>:valid</code>/<code>:invalid</code> 状态。它们不会“感知”兄弟元素，更不会聚合判断整个 <code><form></code> 或某个 <code><fieldset></code> 是否整体有效。</p><p>常见错误现象：<br>– 给 <code><form></code> 写 <code>form:valid { … }</code>，样式完全不生效<br>– 以为给 <code><div class="group"></code> 加 <code>.group:valid</code> 就能响应内部所有字段校验结果，实际无效</p><ul><li><code>:valid</code> 触发前提是该元素有 <code>required</code>、<code>type="email"</code> 等可验证属性，且值符合规则</li><li>空值 + <code>required</code> → <code>:invalid</code>；填了合法邮箱 → <code>:valid</code>；但旁边另一个必填项为空，不影响前者状态</li><li>没有 JS 干预时，浏览器**不会主动计算“组内全部有效”这个逻辑**</li></ul><h3>想实现“表单组整体验证通过”的视觉反馈，得靠 JavaScript</h3><p>核心思路：监听组内所有相关字段的 <code>input</code> 和 <code>blur</code> 事件，手动检查每个字段的 <code>checkValidity()</code> 结果，再统一控制容器的 class。</p><p>使用场景：<br>– 注册页的“密码+确认密码”区块<br>– 地址填写区（省市区三级联动+详细地址）<br>– 多步骤表单中某一步的子模块</p><ul><li>别直接监听 <code>form.submit</code> —— 用户还没提交时就该有实时反馈</li><li>用 <code>Element.checkValidity()</code> 判断单个字段，比读 <code>validity.valid</code> 更可靠（会触发隐式验证）</li><li>推荐把验证逻辑封装成函数，例如 <code>isGroupValid(groupEl)</code>，避免重复遍历</li><li>给容器加一个临时 class 如 <code>group-valid</code>，CSS 写 <code>.group.group-valid { … }</code></li></ul><pre class="brush:php;toolbar:false">const pwdGroup = document.querySelector('.password-group'); const inputs = pwdGroup.querySelectorAll('input'); <p>function updateGroupValidity() { const allValid = Array.from(inputs).every(el => el.checkValidity()); pwdGroup.classList.toggle('group-valid', allValid); }</p><p>inputs.forEach(input => { input.addEventListener('input', updateGroupValidity); input.addEventListener('blur', updateGroupValidity); }</p></pre><h3>为什么不用 <code>:has()</code> 搞定？它现在也做不到</h3><p>有人会想到用新出的 <code>:has()</code> 伪类，比如 <code>.group:has(input:not(:valid))</code> 表示“组内存在无效项”，反过来推导整体有效。但问题在于：</p><ul><li><code>:has()</code> **不支持 <code>:valid</code>/<code>:invalid</code> 作为子选择器**（Chrome 125+ 开始支持部分组合，但 <code>:valid</code> 仍被排除）</li><li>即使未来支持，<code>:has(input:valid)</code> 只表示“至少一个有效”，无法表达“全部有效”</li><li><code>:has()</code> 是性能敏感选择器，频繁重排下可能卡顿，不适合高频输入场景</li><li>当前 Safari 完全不支持 <code>:has()</code>，兼容性风险高</li></ul><p>所以，别等 CSS “自动搞定”，该写几行 JS 的地方，老老实实写。重点是把验证逻辑收口、复用，而不是强求用纯 CSS 实现本不属于它的职责。</p><p>最容易被忽略的一点：很多开发者只在用户输入后检查，却忘了初始加载时也要调用一次验证函数——否则页面刚打开，容器上就没有正确的初始状态 class。</p><p>本篇关于《表单验证技巧：valid与invalid使用详解》的介绍就到此结束啦，但是学无止境，想要了解学习更多关于文章的相关知识，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/529665.html" title="Python相似度函数使用教程" class="img_box"> <img src="/uploads/20260313/177341421769b42749e31bf.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="Python相似度函数使用教程">Python相似度函数使用教程 </a> <dl> <dt class="lineOverflow"><a href="/article/529665.html" title="Python相似度函数使用教程" class="aBlack">上一篇<i></i></a></dt> <dd class="lineTwoOverflow">Python相似度函数使用教程</dd> </dl> </div> <div class="cateItem"> <a href="/article/529667.html" title="Java中成员变量与局部变量同名处理方法" class="img_box"> <img src="/uploads/20260313/177341426869b4277c3cb09.jpg" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="Java中成员变量与局部变量同名处理方法"> </a> <dl> <dt class="lineOverflow"><a href="/article/529667.html" class="aBlack" title="Java中成员变量与局部变量同名处理方法">下一篇<i></i></a></dt> <dd class="lineTwoOverflow">Java中成员变量与局部变量同名处理方法</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/619990.html" class="img_box" title="前端搜索结果倒退怎么办：AbortController 取消旧请求和序号兜底"> <img src="/uploads/20260616/1781590765-frontend-search-race-fix.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端搜索结果倒退怎么办：AbortController 取消旧请求和序号兜底"> </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分钟前  |   <a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> · <a href="/articletag/39916_new_0_1.html" class="aLightGray" title="搜索框">搜索框</a> · <a href="/articletag/39917_new_0_1.html" class="aLightGray" title="AbortController">AbortController</a> · <a href="/articletag/39918_new_0_1.html" class="aLightGray" title="接口请求">接口请求</a> · <a href="/articletag/39919_new_0_1.html" class="aLightGray" title="状态管理">状态管理</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="前端搜索">前端搜索</a> <a href="javascript:;" class="aLightGray" title="请求乱序">请求乱序</a> <a href="javascript:;" class="aLightGray" title="旧响应覆盖">旧响应覆盖</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619990.html" class="aBlack" target="_blank" title="前端搜索结果倒退怎么办：AbortController 取消旧请求和序号兜底">前端搜索结果倒退怎么办：AbortController 取消旧请求和序号兜底</a> </dt> <dd class="cont2"> <span><i class="view"></i>295浏览</span> <span class="collectBtn user_collection" data-id="619990" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619979.html" class="img_box" title="前端图片懒加载布局抖动治理完整流程：占位比例、按需加载和 CLS 复查"> <img src="/uploads/20260616/1781579104-frontend-lazy-cls-overview.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端图片懒加载布局抖动治理完整流程：占位比例、按需加载和 CLS 复查"> </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/729_new_0_1.html" class="aLightGray" title="性能优化">性能优化</a> · <a href="/articletag/34073_new_0_1.html" class="aLightGray" title="cls">cls</a> · <a href="/articletag/39909_new_0_1.html" class="aLightGray" title="懒加载">懒加载</a> · <a href="/articletag/39910_new_0_1.html" class="aLightGray" title="Core Web Vitals">Core Web Vitals</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</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="CLS">CLS</a> <a href="javascript:;" class="aLightGray" title="布局稳定">布局稳定</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619979.html" class="aBlack" target="_blank" title="前端图片懒加载布局抖动治理完整流程：占位比例、按需加载和 CLS 复查">前端图片懒加载布局抖动治理完整流程：占位比例、按需加载和 CLS 复查</a> </dt> <dd class="cont2"> <span><i class="view"></i>128浏览</span> <span class="collectBtn user_collection" data-id="619979" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <li> <div class="contBox"> <a href="/article/619973.html" class="img_box" title="前端 WebSocket 断线重连完整流程：心跳检测、退避重试和消息补发"> <img src="/uploads/20260616/1781541472-frontend-websocket-message-queue.webp" onerror="this.src='/assets/images/moren/morentu.png'" alt="前端 WebSocket 断线重连完整流程：心跳检测、退避重试和消息补发"> </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>   |  13小时前  |   <a href="/articletag/243_new_0_1.html" class="aLightGray" title="前端">前端</a> · <a href="/articletag/277_new_0_1.html" class="aLightGray" title="消息队列">消息队列</a> · <a href="/articletag/1017_new_0_1.html" class="aLightGray" title="websocket">websocket</a> · <a href="/articletag/39899_new_0_1.html" class="aLightGray" title="实时通信">实时通信</a> · <a href="/articletag/39900_new_0_1.html" class="aLightGray" title="断线重连">断线重连</a> · <a href="javascript:;" class="aLightGray" title="前端">前端</a> <a href="javascript:;" class="aLightGray" title="websocket">websocket</a> <a href="javascript:;" class="aLightGray" title="心跳检测">心跳检测</a> <a href="javascript:;" class="aLightGray" title="断线重连">断线重连</a> <a href="javascript:;" class="aLightGray" title="消息补发">消息补发</a> </span> </dd> <dt class="lineOverflow"> <a href="/article/619973.html" class="aBlack" target="_blank" title="前端 WebSocket 断线重连完整流程：心跳检测、退避重试和消息补发">前端 WebSocket 断线重连完整流程：心跳检测、退避重试和消息补发</a> </dt> <dd class="cont2"> <span><i class="view"></i>365浏览</span> <span class="collectBtn user_collection" data-id="619973" data-type="article" title="收藏"><i class="collect"></i>收藏</span> </dd> </dl> </div> </li> <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>   |  23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>   |  23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>   |  1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/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>   |  1天前  |   <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>   |  3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>   |  3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>   |  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/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>   |  3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>   |  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/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> </ul> </div> </div> <div class="mainRight"> <!-- 右侧广告位banner --> <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/13109.html" target="_blank" title="ljg-skills - "Prompt之神"李继刚开源的 AI 技能集" class="img_box"> <img src="/uploads/ai/20260616/ljg-skills-icon-8bbe1468e5.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="ljg-skills - "Prompt之神"李继刚开源的 AI 技能集" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13109.html" class="aBlack" target="_blank" title="ljg-skills">ljg-skills</a></dt> <dd class="cont1 lineTwoOverflow"> ljg-skills 是李继刚开源的 AI 技能与提示词集合，面向大模型使用者整理了一批可复用的 prompt、角色设定和任务技能模板，适合用于学习提示词设计、搭建个人 AI 工作流和沉淀团队常用智能体能力。 </dd> <dd class="cont2">35次使用</dd> </dl> </li> <li> <a href="/ai/13108.html" target="_blank" title="MELO音乐 - AI 音乐生成平台，支持多模态创作能力" class="img_box"> <img src="/uploads/ai/20260616/melo-icon-10bf590762.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="MELO音乐 - AI 音乐生成平台，支持多模态创作能力" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13108.html" class="aBlack" target="_blank" title="MELO音乐">MELO音乐</a></dt> <dd class="cont1 lineTwoOverflow"> MELO音乐是一站式AI视频与音乐制作助手，对标suno, udio的高品质体验。提供伴奏生成、原创写词、无损导出、哼唱识曲、混音变声等全套音频与短视频编辑工具。无论是流行Kpop、电音说唱、民谣古风、摇滚儿歌还是商用轻音乐，MELO为你免费谱曲，轻松做同款！ </dd> <dd class="cont2">45次使用</dd> </dl> </li> <li> <a href="/ai/13107.html" target="_blank" title="UniScribe - AI 免费在线音视频转文字平台" class="img_box"> <img src="/uploads/ai/20260616/uniscribe-icon-3c88366a15.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="UniScribe - AI 免费在线音视频转文字平台" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13107.html" class="aBlack" target="_blank" title="UniScribe">UniScribe</a></dt> <dd class="cont1 lineTwoOverflow"> UniScribe 是一款 AI 音视频转文字与内容整理工具，支持上传音频、视频文件或粘贴 YouTube 链接，自动生成转写文本、摘要、思维导图和关键问题，并支持多格式导出，适合会议记录、课程学习、访谈整理和内容创作复盘。 </dd> <dd class="cont2">50次使用</dd> </dl> </li> <li> <a href="/ai/13106.html" target="_blank" title="剧云 - 免费 AI 智能中文剧本创作平台" class="img_box"> <img src="/uploads/ai/20260615/d36c7176-icon-2b0cd581ce.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="剧云 - 免费 AI 智能中文剧本创作平台" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13106.html" class="aBlack" target="_blank" title="剧云">剧云</a></dt> <dd class="cont1 lineTwoOverflow"> 剧云是专业中文剧本创作平台，安全稳定运行十余年，集成AI编剧、剧本医生审核、人物小传、剧情关系图、大纲编写、多人协作、Word导入导出、版权管控功能，数据安全防护，轻松高效创作剧本。 </dd> <dd class="cont2">188次使用</dd> </dl> </li> <li> <a href="/ai/13105.html" target="_blank" title="万象有声 - AI 一站式有声内容创作平台" class="img_box"> <img src="/uploads/ai/20260615/50267bac-icon-c146b001b5.png" onerror="this.onerror='',this.src='/assets/images/moren/morentu.png'" alt="万象有声 - AI 一站式有声内容创作平台" style="object-fit:cover;width:100%;height:100%;"> </a> <dl> <dt class="lineTwoOverflow"><a href="/ai/13105.html" class="aBlack" target="_blank" title="万象有声">万象有声</a></dt> <dd class="cont1 lineTwoOverflow"> 万象有声，一个专为有声创作者打造的新一代智能有声内容创作平台。平台提供专业的智能拆章、智能画本编辑、AI配音、AI生成音效、后期制作、智能对轨、智能审听等有声创作全流程工具，可以帮助创作者高效、低成本创作出引人入胜的有声作品。立即体验，让有声书制作更简单！ </dd> <dd class="cont2">192次使用</dd> </dl> </li> </ul> </div> <!-- 相关文章 --> <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> <!-- 微信登录弹窗 --> <style> .popupBg .n-error{ color: red; } </style> <div class="popupBg"> <div class="loginBoxBox"> <div class="imgbg"> <img src="/assets/images/leftlogo.jpg" alt=""> </div> <!-- 微信登录 --> <div class="loginInfo encodeLogin" style="display: none;"> <div class="closeIcon" onclick="$('.popupBg').hide();"></div> <div class="changeLoginType cursorPointer create_wxqrcode" onclick="$('.loginInfo').hide();$('.passwordLogin').show();"> <div class="tip">密码登录在这里</div> </div> <div class="encodeInfo"> <div class="tit"><i></i> 微信扫码登录或注册</div> <div class="encodeImg"> <span id="wx_login_qrcode"><img src="/assets/examples/code.png" alt="二维码"></span> <!-- <div class="refreshBox"> <p>二维码失效</p> <button type="button" class="create_wxqrcode">刷新1111</button> </div> --> </div> <div class="tip">打开微信扫一扫，快速登录/注册</div> </div> <div class="beforeLoginTip">登录即同意 <a href="#" class="aBlue" title="用户协议">用户协议</a> 和 <a href="#" class="aBlue" title="隐私政策">隐私政策</a></div> </div> <!-- 密码登录 --> <div class="loginInfo passwordLogin"> <div class="closeIcon" onclick="$('.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/529666.html"/> <input type="hidden" name="__token__" value="3019f48df66bf093a772c302ecbbc532" /> <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/529666.html"/> <input type="hidden" name="__token__" value="3019f48df66bf093a772c302ecbbc532" /> <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> <!-- 重置密码 --> <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>