摘要：
Docs: https://webkit.org/blog/6240/ecmascript-6-proper-tail-calls-in-webkit/ /* This is a recursive function without PTC */ function fatorial(n) { if 阅读全文
摘要：
The declare keyword in TypeScript allows you to specify types for global variables. Whenever you use it, an ambient context is created, which means th 阅读全文
摘要：
Typescript check a file whether it contains any export/import, if it is, then it's a module; if not then it's a script. What's the difference between 阅读全文
摘要：
/** * How do we annotate the errors this function throws? */ type PossibleErrors = SyntaxError | DOMException; const getUserFromLocalStorage = (id: st 阅读全文
摘要：
For the following code: const objOfFunctions = { string: (input: string) => input.toUpperCase(), number: (input: number) => input.toFixed(2), boolean: 阅读全文