TypeScript Recipes: Code & SQL
教育
免費 · App內購買
Tap Run and the real output appears right under the code, along with any type errors. You know what the code does before it goes into your project. No Node.js or TypeScript to install, no IDE, no account.
360+ short examples, one task each. Over 90% run on Node.js 24 and pass strict TypeScript 7 type checking.
You know what you need, but not the exact syntax:
• How do I remove duplicates from an array?
• How do I get an enum value from its name?
• How do I merge two Maps?
Each has a working example here.
• 22 sections, including strings and dates, arrays and collections, classes and interfaces, enums, generics, arrow functions, async/await, exception handling, regular expressions, files, JSON, algorithms, and design patterns.
• What changed from TypeScript 3.0 to 5.5, with before-and-after code: the unknown type, the ?. and ?? operators, template literal types, the satisfies operator, using declarations.
• Reference, 120+ entries: keywords, operators, and utility types such as Partial, Pick, Record, and ReturnType. Tap a word in the code to look it up.
• 200+ SQL queries: JOIN, GROUP BY, subqueries, window functions; more than half run on a practice database.
• Search looks inside the code: type reduce to find every example that uses it.
• Edit an example and run your version, or write your own: a type error shows up right away.
• Works on iPhone, iPad, and Mac.
• Everything except running code works offline.
Free version: 190+ TypeScript examples and 120+ SQL queries, the full reference, and 12 runs and 12 edits a day (TypeScript and SQL runs share one limit). Full version: all examples and queries, unlimited edits and examples of your own, and up to 30 TypeScript and 80 SQL runs a day. One-time purchase, no subscription.
Built by a developer for developers. The project behind it has been in active development since 2015.
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• Run code right in the app: tap Run and the real Node.js 24 output appears under the example, along with any TypeScript 7 type errors. You can also edit an example and run your version.
• TypeScript reference for keywords, operators, and utility types, with 120+ entries. Tap a word in the code to look it up.
• New section: what changed from TypeScript 3.0 to 5.5, with before-and-after code.
• Improved support for foldable phones and large screens.
開發者Fedor Obraztsov指出App的隱私權實務可能包含下方描述的資料處理。如需更多資訊，請參閱 開發者的隱私權政策 。
不收集資料
開發者不會從這個 App 收集任何資料。
輔助使用
開發者尚未表示此 App 支援的輔助使用功能。 進一步瞭解
資訊
- 供應商
- Fedor Obraztsov
- 大小
- 7.1 MB
- 類別
- 教育
- 相容性
需要 iOS 17.0 或以上版本。
- iPhone
需要 iOS 17.0 或以上版本。 - iPad
需要 iPadOS 17.0 或以上版本。 - Mac
需要 macOS 13.0 或以上版本。
- iPhone
- 語言
Vietnamese和其他14種
- Vietnamese、俄文、印尼文、土耳其文、希伯來文、德文、日文、法文、簡體中文、義大利文、英文、葡萄牙文、西班牙文、阿拉伯文、韓文
- 年齡分級
4+
- 4+
- App內購買
是
- SQL queries $30.00
- TypeScript Samples $30.00
- Оperations with example $30.00
- Full version $90.00
- 版權
- © Obraztsov Fedor Alexandrovich