JS - TypeScript

What is typescript

• offers all of JavaScript’s features, and an additional layer on top
• main benefit of TypeScript is that it can highlight unexpected behavior in your code, lowering the chance of bugs.

Example

1 Typescript 작성

function greeter(person) {
    return "Hello, " + person;
}

let user = "Jane User";

document.body.textContent = greeter(user);

2 컴파일 ts - > js

tsc greeter.ts