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Re-rendering in ReactJS is the process of updating the DOM when the state of a component changes.
Re-rendering occurs when the state or props of a component change.
React compares the virtual DOM with the actual DOM and only updates the parts that have changed.
Optimizations like shouldComponentUpdate and React.memo can prevent unnecessary re-renders.
Example: When a user clicks a button that updates the state of a compone...
Top trending discussions
posted on 6 Dec 2024
Reasoning & math total questions 16 , need to score 60 %
posted on 18 Jul 2022
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Yes, there are various government schemes for different sectors and categories of people.
There are schemes for farmers, women, students, entrepreneurs, etc.
Some popular schemes are Pradhan Mantri Jan Dhan Yojana, Pradhan Mantri Awas Yojana, Swachh Bharat Abhiyan, etc.
These schemes aim to provide financial assistance, healthcare, education, housing, and other benefits to the citizens.
As an Assistant Manager, I will keep...
Create a hero section for website
Online test with basic questions along with c++ question
Virtual group discussion
posted on 13 May 2024
I applied via Approached by Company and was interviewed in Nov 2023. There were 2 interview rounds.
Contracts review and abstraction
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 5 interview rounds.
I applied via Company Website and was interviewed in Sep 2023. There were 4 interview rounds.
CRUD Application using Angular
based on 1 interview
Interview experience
GrapplTech
InsanelyGood
Stashfin
Vegrow