ECMA国际已于6月30日正式批准ECMAScript 2026规范，即JavaScript编程语言规范第17版。此版本新增多项实用功能，包括：Math.sumPrecise用于高精度数值求和；Iterator.concat用于迭代器序列化；Array.fromAsync支持从异步来源构建数组；Error.isError用于识别错误对象；Map和WeakMap新增默认值检索方法；Uint8Arra ...

TypeScript 7.0 became stable on July 8, 2026 — and for most of the tens of millions of professional web developers who depend on it daily, a single npm install -D typescript command now cuts build ...