JavaScriptに新たな型チェッカが誕生した。HegelはJavaScriptで高度な静的型チェックを実現しようという試みだ。強い型推測と完全な型システムを提供 ...

Standards proposal would allow annotations to be checked by external type checkers like TypeScript but treated as comments by the JavaScript engine.

Microsoft announced an ambitious project to inject type syntax into ECMAScript, the official JavaScript standard. While that might sound an awful lot like TypeScript, it's different. The company is ...

Microsoft's open-source programming language TypeScript – the alter ego of JavaScript but with a type system – turns 10 years old this December. It's grown to become a go-to language for ...

JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

Version 9.0 of MySQL comes with major new features: The innovation release offers JavaScript functions for SQL and a vector type for AI friends.

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.