Moetsi oa JavaScript

Modern ES2023+ JavaScript - async / e lebala, ho hokahanya ka ho khetheha, ho lebala ka holimo ho ESM, ho fumana native, ho hokahanya ka mokhoa o hlophisitsoeng. 8 style presets (Vanilla browser / Node 20 ESM / React hooks / Vue 3 composition / Svelte 5 / Express + Prisma / Cloudflare Workers / Vitest tests). Liphetho li kenyelletsa lebokose le nepahetseng la ho kenya npm e le maikutlo a holimo ha liphutheloana tsa boraro li sebelisoa. JavaScript ka boeona - bakeng sa ts'ireletso e felletseng ea mofuta o khetha / code/ typescript/ generator.

Ha ho joalo - karolo e tloaelehileng ea React kapa ho sebetsana le Express e theko e boima ho ~ 1,400 tokens ka mokhoa o sa tloaelehang oa Qwen 3 Coder, ka hare ho 6,000 o sa tsejoeng kapa 30,000 o ngotsoeng ka letsatsi. Ha ho na karete ea mokitlane. Premium Claude Sonnet 4 kapa GPT-5 e fumaneha ka ho ngola bakeng sa ho theha faele e ngata e thata.

GitHub Copilot ($ 10 motho ka mong / $ 19 khoebo / $ 39 khoebo ka khoeli) ke IDE e felletseng ka ho felletseng - e phethela lebokose leo u le ngolang, empa u ntse u ngola scaffolding. Cursor ($ 20 / mo Pro) ke fork e felletseng ea VS Code le puisano. Moetsi oa rona o thehiloe marang-rang le ho tšoaea - kenya leseli, fumana module e sebetsang e felletseng. Tabnine ($ 12 / mo Dev) le Codeium ($ 15 / mo Pro, tier e mahala) e sebetsa le Copilot ka ho phethela ka ho khetheha; Cline le Continue ke likhetho tse ntle tsa li-open-source.

Ea - khetha sehlooho se lumellanang se hlophisitsoeng ka pele. React output e sebelisa likarolo tsa mosebetsi + li-hook (ha ho lihlopha), Vue 3 e sebelisa script setup composition API le refs le computed, Svelte 5 e sebelisa runes ($state, $derived) moo ho hlokahalang. Li-imports li sebelisa li-pattern tsa ESM tse ncha tseo framework e ngoe e li lebelletseng.

Khetha Node 20 ESM style. Output sebelisa package.json mofuta module, the global fetch / URL / crypto.subtle, import readFile from node:fs/promises, no CommonJS require. Works under Node 18+ with --experimental-fetch fallbacks where needed. For Workers / edge environments, pick the Cloudflare Workers preset.

Khetha seha-le-leqephe sa Vanilla se hlophisitsoeng pele bakeng sa khoutu e tlatsang tag ea module ea mofuta oa Script - ha ho na mohato oa ho theha, ha ho na transpiler. E sebelisa li-module tsa ES tse tloaelehileng, querySelector, addEventListener, fetch, AbortController. Li-pattern tse tekoang li sebetsa ka Chrome / Firefox / Safari.

Toggle the Ho kenyeletsa liteko tse potlakileng ka ho eketsehileng ka holimo ho konopo ea E etsa. Phetoho e kenyelletsa faele ea *.test.js ka ho sebelisa Vitest - describe / it nesting, vi.fn () mocks, vi.useFakeTimers () moo nako e sa lumellaneng e leng bohlokoa, e lebelletsoe le li-matchers tse nepahetseng. Bakeng sa tlhahiso ea Jest, bua ka Jest ho bontšisong ba hau.

Ea - fetola ho theha sehlooho sa ho qala / sehlooho sa ho kenya tab'me u tlose ho sebetsa ho ngolisoa, karolo ea klase, kapa interface (re etsa mefuta ea JSDoc e le litlhahiso tsa mofuta). Mofuta o tlatsa' mele ntle le ho fetola lebitso kapa ho hlophisa ka ho nchafatsa kotloloho.

Async/waiting everywhere - ha ho na.then() chains, ha ho na callbacks. Promise.all bakeng sa mosebetsi o kopaneng, Promise.allSettled ha ho hloleha ka karolo ho amoheleha, AbortController + AbortSignal bakeng sa ho hlakola. Bophahamo bo holimo bo lebile ka ESM contexts. Liphoso li tlisoang ka lebaka la ho tšehetsa ka ho nepahetseng.

Ha ho joalo - chaining e sa tšoaneng, nullish coalescing, ho khetheha ka ho le letona, structuredClone, Object.hasOwn (), Array.at (-1), Object groupBy / Map.groupBy moo sepheo se e tšehetsa. The version of JS targeted is set by your style preset.

Reka liphetho tsohle joalokaha u ka etsa kopo efe kapa efe ea ho tlisa. Mohlala o ngola ka nepo, JavaScript e tloaelehileng bakeng sa litlhahiso tse tloaelehileng empa ha e tsebe ho thibela nako ea ho sebetsa, boemo ba ts'ireletso, kapa moralo oa sistimi e felletseng. Bakeng sa khoutu e utloahalang ea ts'ireletso, kenya /code/review/ le ts'ireletso e khethehileng ho tsoa, ebe /code/test/ ho etsa liteko.

Yeah - POST ho /v1/chat/ le sistimi e ts'oanang ea ho botsa e leng ho e-na le ho theha leqephe lena. Bearer auth, rate-limited ka theko e tloaelehileng. E loketse ho theha-pipeline code-generation kapa ho eketsa-browser. Docs ho /api/.