querySelector() vs getElementById() in JavaScript
querySelector() and getElementById() are both methods used to access elements in the Document Object Model (DOM) of a web page, but they have some differences. …
Category: JavaScript
Rest parameter vs Spread Operator in JavaScript?
The rest parameter and spread operator are two related features in JavaScript. The rest parameter allows you to represent an indefinite number of arguments as …
Difference Between Type and Interface in TypeScript
In TypeScript, an interface is a way to define the structure of an object. It’s a contract that defines the properties and their types that …
React Spread Operator ( …)
The spread operator (…) in Reactjs is used to expand an iterable (e.g. an array) into individual elements. It is often used to pass props …
useState() vs useReducer() in React.
useState() Both useState and useReducer are hooks in React that allow you to manage state in functional components. useState is a simpler hook that allows …
The JavaScript fetch() function.
The fetch() function in JavaScript is used to make network requests to a server and retrieve data. It returns a promise that resolves to the …
TyprScript: Let’s Clear Some Confusions Between Different Types.
TypeScript is a superset of JavaScript that adds optional static typing, which can help catch errors at compile-time rather than run-time. This can lead to …