Domanda di colloquio di HyScaler
What is DOM manipulation, what are the types of Promises, and what is job scheduling in Node.js
Risposta di colloquio
Anonimo
6 giu 2025
1. What is DOM Manipulation? Changing or updating content, structure, or style of a webpage using JavaScript. 2. Types of Promises: Promises have 3 states: Pending – still working Fulfilled – success Rejected – failed They help manage asynchronous tasks like API calls.