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Type-Safe Development with TypeScript
A guide to understanding TypeScript’s basic type system and writing bug-resistant code
This article was automatically translated from the original Japanese version and may contain mistranslations.
Please refer to the Japanese original for the most accurate wording.
TypeScript is a language that adds static typing to JavaScript.
Why TypeScript
With types, you can find errors while you’re still writing the code.
Basic Types
const name: string = "Disnana";
const age: number = 25;
const isActive: boolean = true;Thanks to type inference, in many cases you don’t need to write types explicitly.