V2EX code-splitting

Code-Splitting

释义 Definition

code-splitting:代码拆分;把一个大型 Javascript 应用按“路由 / 功能 / 组件”等维度切成多个较小的文件(chunk),让浏览器按需加载,从而减少首屏体积、提升加载速度与性能。(在前端工程化中最常见)

发音 Pronunciation (IPA)

/kod splt/

例句 Examples

We use code-splitting to make the first page load faster.
我们使用代码拆分来让首页加载更快。

By applying code-splitting with dynamic imports, the app only downloads the editor module when the user opens it.
通过结合动态导入进行代码拆分,应用只会在用户打开编辑器时才下载编辑器模块。

词源 Etymology

code-splitting 是由 code(代码)+ splitting(拆分) 构成的复合词;其中 split 源自古英语 splītan(“劈开、分裂”)。该术语在现代前端打包与模块化(如 Webpack、Rollup、React 等生态)中广泛使用,用来描述“把代码分成可按需加载的块”的优化策略。

相关词 Related Words

文学与作品中的用例 Literary / Notable Works

  • React 官方文档(React Docs):在性能优化与“按需加载(lazy)”相关内容中常讨论 code-splitting
  • Webpack 官方文档(Webpack Documentation):专门章节讲解 Code Splitting(如入口拆分、动态导入、缓存与 chunk 策略)。
  • 《Learning React》(O’Reilly):在构建与性能优化章节中常出现 code-splitting 作为实践方法。
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