
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?
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 …
javascript - When should I use ?? (nullish coalescing) vs || (logical ...
In short, when you care that let a variable assigned from a possible null undefined source, and you wish to provide a default value to the variable, use the nullish coalescing operator ??. If …
javascript - What is the difference of TypeScript vs TypeScript
Oct 21, 2024 · I'm working on a project using Vite, and I want to understand the difference between using TypeScript alone and TypeScript with SWC. I've searched online but couldn't …
Difference b/w React Typescript , React JavaScript and React Native?
Jul 1, 2020 · React native thus lets you write native phone apps, using the syntax and tools that are familiar to react developers. Javascript vs typescript is completely different axis. Javascript …
JavaScript classes vs TypeScript classes - Stack Overflow
Feb 23, 2019 · Classes weren't added to JS until the ES2015 version of the spec - the code outputted by the TypeScript compiler is functionally identical to a JS class (as JS classes are …
What does the !! (double exclamation mark) operator do in …
The exception for TypeScript? If myObject was an any, you're back in JavaScript's Wild West and can return it without !!, even if your return type is a Boolean. Keep in mind that these are JSX …
typescript - What is the difference between types String and string ...
JavaScript freely converts between these types. When you access a method like charAt on a string primitive, JavaScript wraps it in a String object, calls the method, and then throws the …
Interfaces vs Types in TypeScript - Stack Overflow
Object types An object in JavaScript is a key/value map, and an "object type" is typescript's way of typing those key/value maps. Both interface and type can be used when providing types for …
What's the difference between 'extends' and 'implements' in …
Extends VS implements extends: The extended child class will inherit all the properties and methods of the class it extends. implements: The class with the implements keyword will need …