What is the TypeScript language? What can it do that JavaScript or available libraries cannot do, that would give me reason to consider it?

5 நவ., 2015 · None of the other answers discuss how to run a TypeScript script that uses modules, and especially modern ES Modules. First off, ts-node doesn't work in that scenario, as …

20 ஜூலை, 2019 · In JavaScript, it's commonly seen as best practice to use === instead of ==, for obvious and well-known reasons. In TypeScript, which is one to be preferred? Is there even …

Update March 2021: The newer TypeScript Handbook (also mentioned in nju-clc answer below) has a section Interfaces vs. Type Aliases which explains the differences. Original Answer …

export function foo(arg: string): arg is MyType { return ... } I haven't been able to search for is in either the docs or google, it's a pretty common word and shows up on basically every page. …

Learn how to dynamically assign properties to an object in TypeScript with this helpful guide.

22 பிப்., 2016 · 10 Type guards in typescript To determine the type of a variable after a conditional statement you can use type guards. A type guard in typescript is the following: An …

26 ஜூலை, 2018 · The syntax of TypeScript is such that some expressions and statements refer to values that exist at runtime, while other expressions and statements refer to types that exist …

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23 அக்., 2015 · What is the difference in TypeScript between export and default export? In all the tutorials, I see people exporting their classes and I cannot compile my code if I don't add …