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<div role="region" aria-label="Skip to main content"><a class="skipToContent_fXgn" href="#docusaurus_skipToContent_fallback">Skip to main content</a></div><nav aria-label="Main" class="navbar navbar--fixed-top navbarHideable_m1mJ"><div class="navbar__inner"><div class="navbar__items"><button aria-label="Toggle navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></button><a class="navbar__brand" href="/awesome-interview/"><div class="navbar__logo"><img src="/awesome-interview/img/badge.svg" alt="HZFE" class="themedImage_ToTc themedImage--light_HNdA"><img src="/awesome-interview/img/badge.svg" alt="HZFE" class="themedImage_ToTc themedImage--dark_i4oU"></div><b class="navbar__title text--truncate">剑指前端 Offer</b></a></div><div class="navbar__items navbar__items--right"><a href="https://github.com/hzfe/awesome-interview" target="_blank" rel="noopener noreferrer" class="navbar__item navbar__link">GitHub<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a><div class="searchBox_ZlJk"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search"><span class="DocSearch-Button-Container"><svg width="20" height="20" class="DocSearch-Search-Icon" viewBox="0 0 20 20"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"></span></button></div></div></div><div role="presentation" class="navbar-sidebar__backdrop"></div></nav><div id="docusaurus_skipToContent_fallback" class="main-wrapper mainWrapper_z2l0 docsWrapper_BCFX"><button aria-label="Scroll back to top" class="clean-btn theme-back-to-top-button backToTopButton_sjWU" type="button"></button><div class="docPage__5DB"><aside class="theme-doc-sidebar-container docSidebarContainer_b6E3"><div class="sidebarViewport_Xe31"><div class="sidebar_njMd sidebarWithHideableNavbar_wUlq"><a tabindex="-1" class="sidebarLogo_isFc" href="/awesome-interview/"><img src="/awesome-interview/img/badge.svg" alt="HZFE" class="themedImage_ToTc themedImage--light_HNdA"><img src="/awesome-interview/img/badge.svg" alt="HZFE" class="themedImage_ToTc themedImage--dark_i4oU"><b>剑指前端 Offer</b></a><nav aria-label="Docs sidebar" class="menu thin-scrollbar menu_SIkG"><ul class="theme-doc-sidebar-menu menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/awesome-interview/about">关于我们</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/awesome-interview/">前言</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/awesome-interview/book1/browser-cross-origin">模拟题一</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret menu__link--active" aria-expanded="true" href="/awesome-interview/book2/browser-render-mechanism">模拟题二</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme
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（<a href="https://medium.com/simply/comparison-hocs-vs-render-props-vs-hooks-55f9ffcd5dc6" target="_blank" rel="noopener noreferrer">代码来源</a>）</p><p><img loading="lazy" src="https://user-images.githubusercontent.com/17002181/125330248-194da900-e379-11eb-8bab-4fdcec795fb1.png" alt="image" class="img_ev3q"></p><ul><li><p><strong>复用性</strong></p><p>HOC、Render Props、Hooks 都有提高代码复用性的能力，但根据其设计模式上的差别，适用范围也会有所差异：HOC 基于单一功能原则，对传入组件进行增强；Render Props 复用数据源，按需渲染 UI；Hooks 对于不同场景的复用都有较好的普适性。</p></li><li><p><strong>可读性 / 易用性</strong></p><p><strong>HOC 可读性差，易用性差。</strong></p><p>HOC 写法看似简洁，但开发者无法通过阅读 HOC 的调用辨别出方法的作用：看不到接收和返回的结构，增加调试和修复问题的成本；进行多个 HOC 组合使用时，不能确定使用顺序且有命名空间冲突风险，需要了解每个 HOC 的具体实现，难以维护。不建议过度使用 HOC，但比较适合不需要个性化开发定制时使用：常见于第三方库提供 HOC 类型的 API 给开发者进行功能增强。</p><p><strong>Render Props 可读性较好，易用性强。</strong></p><p>代码相对冗长，但能清晰看到组件接收的 props 以及传递的功能等，可以对 props 属性重命名，不会有命名冲突。但难以在 render 函数外使用数据源，且容易形成嵌套地狱。</p><p><strong>Hooks 可读性强，易用性较好。</strong></p><p>使用 Hooks 时，能清晰看到组件接收的 props 以及传递的功能等，可以对 props 属性重命名，不会有命名冲突，不存在嵌套地狱，且没有数据源获取及使用范围的限制。但 Hooks 编程应遵循函数式编程的实践，否则 Hooks 所需的依赖数组的处理会造成较大的心智负担。</p></li></ul><h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="参考资料">参考资料<a href="#参考资料" class="hash-link" aria-label="Direct link to 参考资料" title="Direct link to 参考资料"></a></h2><ol><li><a href="https://reactjs.org/docs/hooks-intro.html" target="_blank" rel="noopener noreferrer">Introducing Hooks</a></li><li><a href="https://medium.com/simply/comparison-hocs-vs-render-props-vs-hooks-55f9ffcd5dc6" target="_blank" rel="noopener noreferrer">Comparison: HOCs vs Render Props vs Hooks</a></li></ol></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--prev" href="/awesome-interview/book2/frame-react-fiber"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">框架：React Fiber 的作用和原理</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/awesome-interview/book2/js-inherite"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">基础：ES5、ES6 如何实现继承</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#相关问题" class="table-of-contents__link toc-highlight">相关问题</a></li><li><a href="#回答关键点" class="table-of-contents__link toc-highlight">回答关键点</a></li><li><a href="#知识点深入" class="table-of-contents__link toc-highlight">知识点深入</a><ul><li><a href="#1-hoc-higher-order-component即高阶组件" class="table-of-contents__link toc-highlight">1. HOC （Higher Order Component，即高阶组件）</a></li><li><a href="#2-render-props" class="table-of-contents__link toc-highlight">2. Render Props</a></li><li><a href="#3-react-hooks" class="table-of-contents__link toc-highlight">3. React Hooks</a></li><li><a href="#4-hoc-vs-render-props-vs-hooks" class="table-of-contents__link toc-highlight">4. HOC vs Render Props vs Hooks</a><ul><li><a href="#痛<>
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