Write, modernize, and review JavaScript against real ECMAScript language features and explicit runtime targets. Use for JavaScript or Node.js code, ES edition attribution (ES2015-ES2026), compatibility and polyfill/transpile decisions, array/iterator/Set/Map/Promise/RegExp/TypedArray APIs, modules,
Write, modernize, and review JavaScript against real ECMAScript language features and explicit runtime targets. Use for JavaScript or Node.js code, ES edition attribution (ES2015-ES2026), compatibility and polyfill/transpile decisions, array/iterator/Set/Map/Promise/RegExp/TypedArray APIs, modules, async code, Temporal, explicit resource management, decorators, or replacing stale and withdrawn pro