Why use triple-equal (===) in TypeScript? - Stack Overflow
Jul 20, 2019 · TypeScript cannot redefine == without breaking all JavaScript code that relies on its behavior (despite this having sad implications for 3). This also implies that TypeScript cannot …
When should I use ?? (nullish coalescing) vs || (logical OR)?
The ?? operator was added to TypeScript 3.7 back in November 2019. And more recently, the ?? operator was included in ES2020, which is supported by Node 14 (released in April 2020).
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 …
What does the ampersand (&) mean in a TypeScript type definition?
What does the ampersand (&) mean in a TypeScript type definition? Asked 9 years, 4 months ago Modified 1 year ago Viewed 97k times
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?
What does the `is` keyword do in typescript? - Stack Overflow
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. …
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, 9 months ago Modified 6 months ago Viewed 654k …
Interfaces vs Types in TypeScript - Stack Overflow
The key aspect to interfaces in typescript that distinguish them from types is that they can be extended with new functionality after they've already been declared.
typescript - What does the "as" keyword do? - Stack Overflow
Apr 21, 2019 · The as keyword is a type assertion in TypeScript which tells the compiler to consider the object as another type than the type the compiler infers the object to be.
How do I dynamically assign properties to an object in TypeScript ...
Learn how to dynamically assign properties to an object in TypeScript with this helpful guide.