Why use triple-equal (===) in TypeScript? - Stack Overflow
Jul 20, 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 …
Does Typescript support the ?. operator? (And, what's it called?)
Jan 17, 2017 · Yes. As of TypeScript 3.7 (released on November 5, 2019), this feature is supported and is called Optional Chaining: At its core, optional chaining lets us write code …
In TypeScript, what is the ! (exclamation mark / bang) operator …
Feb 16, 2017 · In TypeScript, what is the ! (exclamation mark / bang) operator when dereferencing a member? Asked 8 years, 5 months ago Modified 2 months ago Viewed 641k …
What is TypeScript and why should I use it instead of JavaScript?
What is the TypeScript language? What can it do that JavaScript or available libraries cannot do, that would give me reason to consider it?
TypeScript: Type 'string | undefined' is not assignable to type …
Feb 2, 2019 · Alternatively, you can type name1 as string | undefined, and handle cases of undefined further down. However, it's typically better to handle unexpected errors earlier on. …
Is key-value pair available in TypeScript? - Stack Overflow
Apr 7, 2016 · Is key-value pair available in TypeScript? If so, how do I do that? Can anyone provide sample, example, or links?
typescript - 'unknown' vs. 'any' - Stack Overflow
Jul 20, 2018 · TypeScript 3.0 introduces unknown type, according to their wiki: unknown is now a reserved type name, as it is now a built-in type. Depending on your intended use of unknown, …
How can I generate a tsconfig.json file? - Stack Overflow
Apr 28, 2016 · How can I generate a tsconfig.json via the command line? I tried command tsc init, but this doesn't work.
javascript - Typescript: React event types - Stack Overflow
What is the correct type for React events? Initially I just used any for the sake of simplicity. Now, I am trying to clean things up and avoid use of any completely. So in a simple form like this: ...
Typescript: TS7006: Parameter 'xxx' implicitly has an 'any' type
Mar 28, 2017 · to use some of typescript (better than nothing) instead of going full 100% typescript, this flag is very useful and much less noisy to me.