NeptuneWorld- Blogs

JavaScript

State in React: Component State and Controlling Behavior

Author: neptune | 21st Sep 2025

#JavaScript #React.js #IT

💡 Do you know? Learn about React state, how component state works, and ways to control behavior in modern applications. Includes examples, best practices, and FAQs...

How to Perform Unit Testing in React Components with Examples?

Author: neptune | 25th Jul 2024

#JavaScript #React.js

💡 Do you know? Unit testing in React is an essential practice to ensure the reliability and robustness of your components...

Do you know ! How to manage State in Functional & Class Components in React ?

Author: neptune | 25th Jul 2024

#JavaScript #React.js

💡 Do you know? State management in React has evolved significantly with the introduction of Hooks...

How to Get Started with Jamstack: A Comprehensive Guide?

Author: neptune | 05th Jul 2024

#JavaScript #API

💡 Do you know? Getting started with Jamstack involves choosing the right tools, setting up a structured development environment...

How to Create an HTTP Server in Node.js ?

Author: neptune | 26th Jun 2024

#Node.js

💡 Do you know? Node.js runs in a single process without creating a new thread for every request...

From REST to GraphQL: The Future of API Design

Author: neptune | 25th Feb 2024

#JavaScript

💡 Do you know? Unlike traditional REST APIs, GraphQL provides a more flexible and intuitive approach to data querying and retrieval...

A Guide to Writing Clean, Readable, and Maintainable Code in JavaScript

Author: neptune | 23rd Feb 2024

#JavaScript

💡 Do you know? By incorporating these principles into your coding practices, you contribute to creating code that is not only functional but also maintainable and easily understandable by your peers...

Array Prototype Last | #2619 | LeetCode Solution

Author: neptune | 20th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Write code that enhances all arrays such that you can call the `array.last()` method on any array and it will return the last element...

Chunk Array | #2677 | LeetCode Solution

Author: neptune | 19th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an array arr and a chunk `size`, return a `chunked` array...

Add Two Promises | #2723 | LeetCode Solution

Author: neptune | 12th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given two promises `promise1` and `promise2`, return a new `promise`. `promise1` and `promise2` will both resolve with a number...

Memoize | #2634 | LeetCode Solution

Author: neptune | 12th Sep 2023

#JavaScript #LeetCode

💡 Do you know? A memoized function is a function that will never be called twice with the same inputs. Instead it will return a cached value...

Allow One Function Call | #2666 | LeetCode Solution

Author: neptune | 11th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given a function `fn`, return a new function that is identical to the original function except that it ensures `fn` is called at most once...

Function Composition | #2629 | LeetCode Solution

Author: neptune | 09th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an array of functions [f1, f2, f3, ..., fn], return a new function fn that is the function composition of the array of functions...

Array Reduce Transformation | #2626 | LeetCode Solution

Author: neptune | 09th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an integer array `nums` and a reducer function `fn`, and an initial value `init`, return a reduced array...

Filter Elements from Array | #2634 | LeetCode Solution

Author: neptune | 06th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an integer array `arr` and a filtering function `fn`, return a filtered array `filteredArr`...

Apply Transform Over Each Element in Array | #2635 | LeetCode Solution

Author: neptune | 05th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an integer array `arr` and a mapping function `fn`, return a new array with a transformation applied to each element...

Counter 2 | #2665 | LeetCode Solution

Author: neptune | 04th Sep 2023

#JavaScript #LeetCode

💡 Do you know? Write function 'createCounter' It accept an initial integer 'init' It should return an object with three functions- increment() , decrement(), reset()...

To Be Or Not To Be | #2704 | LeetCode Solution

Author: neptune | 03rd Sep 2023

#JavaScript #LeetCode

💡 Do you know? Write a function that helps developers test their code. It should take in any value and return an object with the following two functions...

Counter | #2620 | LeetCode Solution

Author: neptune | 02nd Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an integer n, return a counter function. This counter function returns n and then n + 1, n + 2, etc...

Is Object Empty | #2727 | LeetCode | JavaScript Solution

Author: neptune | 01st Sep 2023

#JavaScript #LeetCode

💡 Do you know? Given an object or an array, return if it is empty...

Managing Virtual Environments in React JavaScript Projects

Author: neptune | 28th Jun 2023

#JavaScript #React.js

💡 Do you know? Virtual environments are a valuable tool in React JavaScript projects as they allow developers to isolate dependencies, manage package versions, and maintain project consistency...

Generate Fibonacci Sequence - JavaScript | Hackerank

Author: neptune | 07th Apr 2023

#JavaScript #Hackerrank

💡 Do you know? Write a JavaScript function fibonacciSequence() to generate a FIbonacci sequence...

Arrow Functions in JavaScript | ES6

Author: neptune | 26th Mar 2023

#JavaScript #React.js

💡 Do you know? In this article, we will explore the syntax and usage of arrow functions in detail, along with some examples...

🍽️ Recommended for You

How a Blockchain Transaction Works (Banking Context)

Author: neptune | 23rd Dec 2025

#Blockchain

💡 Do you know? As global banking institutions accelerate their digital transformation agendas, blockchain technology in banking has emerged as a foundational enabler for faster...

Domain : Generative AI in Finance Domain_FP | 78472

Author: neptune | 23rd Dec 2025

#AI #78472

💡 Do you know? The Generative AI in Finance course will take you through basics of generative AI, overview of generative AI in finance, the uses of artificial intelligence In finance, benefits & importance of AI...

Mini Hack - RAG: News Insight Summarizer

Author: neptune | 25th Sep 2025

#AI #ML

💡 Do you know? In this challenge, you will be working on creating a RAG based application for News insight summarizer..

Mini Hack – RAG: Invoice Processing with LangChain, FAISS, and OpenAI

Author: neptune | 25th Sep 2025

#AI #ML

💡 Do you know? In this challenge, you will be working on creating a RAG based application for invoice processing..

🏷️ Discover your Interest

#JavaScript #AI #Python #IT #Hackerrank #Testing #React.js #Interview #Motivation #Machine learning #SQL #Selenium #AWS #TCS #LeetCode #Problem Solving #Java #Certifications #API #GPT #Algorithms #Github #Jobs #Projects #Django #Microservice #Story #Node.js #ML #IELTS #Google #Twitter #Data Science #Elon Musk #67501 #ElonMusk #Automation Testing #78472 #Blockchain