TypeScript’s type annotation syntax originated in ECMAScript 4 and was implemented in ActionScript 3, but never landed in the ECMAScript 5 that runs in today’s browsers.

Deferred module evaluation imports a module without immediately executing the module and its dependencies, avoiding ...

TypeScript has been more successful than Dart, in part because unlike Google's language, which has its own syntax, TypeScript uses JavaScript's existing syntax—making it easier for programmers ...

The new TypeScript version reduces the tsconfig.json files to the essentials and supports deferring module evaluation and ...

Microsoft has released TypeScript 5.9, featuring 'import defer' for better performance, an improved developer experience, and ...

The TypeScript framework for custom languages brings new grammar functions such as infix notation, faster parsing and ...

In last month's column, I walked through the two syntaxes for defining "function datatypes" in TypeScript. I showed the JavaScript-like syntax, which looks like this: var FirstName: (cust: Customer) ...

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 ...