@RohanAgrawal

Hoisting

Dec 11, 2022 · 2 min read · HOISTING -> Points to Remember - All declaration of both variables and functions are processed before any part of code is executed see in image- 2.Variable declaration are scanned and made Undefined. Function declaration are scanned and made Ava...

How does a V8 JavaScript engine work ()

Oct 30, 2022 · 9 min read · V8 engine is a compiler which Compiles and executes JS code Handling call stack — running your JS functions in some order, Managing memory allocation for objects — the memory heap, Garbage collection — of objects which are no longer in use, Provid...

How to change the browser in vs code when "npm start"?

Oct 19, 2022 · 1 min read · So the query is in react when we do npm start in vs code sometimes it open localhost:3000 port to a browser like edge or firefox but we wanted it in chrome or other so what should we do. Follow this steps -> -Go to setting in vs code search for live ...

Interview Prep Cheat Sheet for JavaScript

Sep 11, 2022 · 3 min read · SCOPE-> 1. Global - Function, variables, Objects which could be accessable from anywhere. 2. Function - Variable and Objects accessible only inside the function. 3. Module - The scope for code running in module mode. Call Stack-> To understand...

SCOPE in JAVASCRIPT

Sep 10, 2022 · 1 min read · SCOPE -> 1. Global - Function, variables, Objects which could be accessable from anywhere. 2. Function - Variable and Objects accessible only inside the function. 3. Module - The scope for code running in module mode.