@babel/parser Credits API babelParser.parse(code, [options]) babelParser.parseExpression(code, [options]) Options Output Semver Example Plugins Miscellaneous Language ext...

2.1 Grammar Conventions 2.1 Grammar Conventions The syntactic grammar added by TypeScript language is specified throughout this document using the existing conventions and prod...

读懂 ECMAScript 规格 读懂 ECMAScript 规格 概述 术语 抽象操作的标准流程 相等运算符 数组的空位 数组的 map 方法

Chapter 1: Types A Type By Any Other Name… Chapter 1: Types Most developers would say that a dynamic language (like JS) does not have types. Let’s see what the ES5.1 specifica...

TypeScript 3.8 类型导入和导出（Type-Only Imports and Exports）" level="2"> 类型导入和导出（Type-Only Imports and Exports） ECMAScript 私有变量（ECMAScript Private Fields" level="2"> ECMAScript 私有变量...

Array Destructuring Destructuring Assignment Default Values Nested Destructuring Rest Items Array Destructuring Array destructuring syntax is very similar to object destruc...

学习 JavaScript 入门学习: 一般学习: 配置: JavaScript 函数式编程: 参考文档： 术语表: 标准／规范: 样式: JS报纸、新闻&简报: 弃用的 JS 学习资源: 学习 JavaScript JavaScript是一种高级的、动态的、无类型的、解释型的的编程语言。它是万维网内容制作的，除了HTML和CS...

A Grammar A Grammar This appendix contains a summary of the grammar found in the main document. As described in section 2.1 , the TypeScript grammar is a superset of the gramma...

What are Proxies and Reflection? What are Proxies and Reflection? You can create a proxy to use in place of another object (called the target) by calling new Proxy() . The prox...

浏览器博弈论 浏览器博弈论 在浏览器大战g [Borland 2003 ] 期间，Netscape 和微软都尝试在引入新网站能力上实现超越式的创新。他们都试图说服开发者使用其独有的特性，并开展了「在『XXX』上效果最佳」的营销活动。但如果网站无法在用户首选的浏览器下正常工作，浏览器用户会很不高兴。而且 Web 开发者也不喜欢为不同浏览器维护网站的多...