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 …
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).
What's the meaning of "=>" in TypeScript? (Fat Arrow)
In TypeScript, everything that comes after the : but before an = (assignment) is the type information. So your example is saying that the type of MakePoint is a function that takes 0 …
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 …
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. …
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?
Sort an array of objects in typescript? - Stack Overflow
How do I sort an array of objects in TypeScript? Specifically, sort the array objects on one specific attribute, in this case nome ("name") or cognome ("surname")? /* Object Class*/ export class ...
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.
How do I remove an array item in TypeScript? - Stack Overflow
Mar 8, 2013 · I have an array that I've created in TypeScript and it has a property that I use as a key. If I have that key, how can I remove an item from it?