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  • TypeScript 3.8

    Type-Only Imports and Export ECMAScript Private Fields Which should I use? export * as ns Syntax Top-Level await es2020 for target and module JSDoc Property Modifiers B...
  • 2.5. Key Path

    2.5. Key Path 2.5. Key Path A key path is a string or list of strings that defines how to extract a key from a value . A valid key path is one of: An empty string. An iden...
  • 迭代器和生成器

    迭代器和生成器 可迭代性 for..of 语句 for..of vs. for..in 语句 代码生成 目标为 ES5 和 ES3 目标为 ECMAScript 2015 或更高 迭代器和生成器 可迭代性 当一个对象实现了Symbol.iterator 属性时,我们认为它是可迭代的。 一些内置的类型如 Array ,Map ,Set...
  • Kotlin 用于 JavaScript

    Kotlin JavaScript 概述 如何使用 Kotlin 转 JavaScript 入门 Kotlin JavaScript 概述 Kotlin 提供了 JavaScript 作为目标平台的能力。它通过将 Kotlin 转换为 JavaScript 来实现。目前的实现目标是 ECMAScript 5.1,但也有最终目标为 ECMAScri...
  • Limitation on JSX

    Limitation on JSX Limitation on JSX JSX is a syntax extension to JavaScript, popularly known to build web applications using React . JSX is not part of any official ECMAScript...
  • 2. About the author

    2. About the author Please support this book: buy it or donate 2. About the author Dr. Axel Rauschmayer has been programming since 1985 and developing web applications si...
  • throw-expressions

    @babel/plugin-proposal-throw-expressions Example Installation Usage Via .babelrc (Recommended) Via CLI Via Node API References @babel/plugin-proposal-throw-expressions ...
  • export-namespace-from

    @babel/plugin-proposal-export-namespace-from Example Installation Usage Via .babelrc (Recommended) Via CLI Via Node API References @babel/plugin-proposal-export-namespac...
  • export-default-from

    @babel/plugin-proposal-export-default-from Example Installation Usage Via .babelrc (Recommended) Via CLI Via Node API References @babel/plugin-proposal-export-default-fr...
  • Iterators and Generators

    Iterables Iterable interface for..of statements for..of vs. for..in statements Code generation Targeting ES5 and ES3 Targeting ECMAScript 2015 and higher Iterables An...