What is Flex Box in CSS?
Flexbox, short for Flexible Box, is a CSS layout model designed to make it easier to create flexible, responsive, and dynamic web designs. It allows you to distribute space between…
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What are the Lexical Scope in JavaScript?
Lexical scope in JavaScript means that the scope of a variable is determined by its position in the source code (where it is written) and the nested structure of functions.…
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What is Symentic HTML?
Semantic HTML refers to using HTML tags that convey the meaning or purpose of the content they enclose, rather than…
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Explain Call, Apply and Bind in JavaScript.
Call, Apply, and Bind in JavaScript In JavaScript, call(), apply(), and bind() are methods that…
What are the Rest and Spread operators in JavaScript?
Rest and Spread Operators in JavaScript (...) The Rest Operator and Spread Operator both use…
What is memoization in JavaScript?
Memoization is an optimization technique used in JavaScript (and other programming languages) to speed up…
What is one-way data binding in React?
One-way data binding in React means that data flows in a single direction, from the…
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What is one-way data binding in React?
One-way data binding in React means that data flows in a single direction, from the component’s state or props down…
What is Scope in JavaScript?
Scope in JavaScript refers to the context in which variables are accessible. It determines which part of the code can…
What is Arrow and Normal Function in JavaScript?
Arrow Function vs Normal Function in JavaScript In JavaScript, Arrow Functions and Normal Functions (also called Regular Functions) are two…
What is Symentic HTML?
Semantic HTML refers to using HTML tags that convey the meaning or purpose of the content they enclose, rather than…
What is one-way data binding in React?
One-way data binding in React means that data flows in a single direction, from the component’s state or props down…
Lazy Loading in React.js: Boosting Performance and Reducing Load Time
In modern web development, performance plays a crucial role in user experience. One technique that significantly improves performance is lazy…
How Can You Share Data Between Components in React?
In React, there are several ways to share data between components, depending on the relationship between them and the complexity…
What is middleware, and what is React Thunk?
Middleware in the context of Redux (and other systems, like web servers) refers to a piece of code that sits…
What is NodeJS and its main features?
Understanding Node.js and Its Key Features Node.js has revolutionized the way developers build web applications by enabling server-side JavaScript execution.…
Synchronous vs Asynchronous Functions: What’s the Difference?
When learning JavaScript or Node.js, one of the most important concepts to understand is the difference between synchronous and asynchronous functions.These two execution models determine how your code runs —…
What Is Non-Blocking I/O in Node.js?
One of the biggest reasons Node.js is fast and scalable is because it uses non-blocking I/O.But what does that really mean? Let’s break it down in a simple and practical…
What is the Event Loop in Node.js?
Node.js is known for being fast, efficient, and able to handle thousands of requests at the same time — all while running on a single thread.But how is that possible?…
Node.js vs JavaScript: What’s the Difference?
JavaScript and Node.js are two of the most popular technologies in the web development world. Many beginners get confused and think both are the same — but they aren’t. In…
What is Node.js and How Does It Work?
If you’re a web developer or someone exploring backend development, chances are you’ve heard a lot about Node.js. It powers thousands of modern applications — from real-time chat apps to…
What is the output?
A. abcB. 0C. NaN ✅ Correct Answer: C. NaN 👉 Explanation: + (unary plus) in JavaScript tries to convert the value into a number. Example: But "abc" cannot be converted…
What is the Output of the given (JS) Code?
Can you solve this: console.log(a)console.log(b)var a=b=20 This is a great JavaScript concept to blog about because it reveals how variable declarations and assignments work behind the scenes!Let’s break it down…
Understanding the Event Loop in Node.js: A Complete Beginner’s Guide
Node.js is known for its ability to handle high-performance, non-blocking I/O operations, making it a popular choice for building scalable applications. At the heart of this efficiency lies the event…
How to Reverse a String in JavaScript: Two Essential Methods
Reversing a string is one of the most common beginner-level tasks in programming. It’s a great exercise to understand how strings, arrays, and loops work in JavaScript. In this blog,…
Lazy Loading in React.js: Boosting Performance and Reducing Load Time
In modern web development, performance plays a crucial role in user experience. One technique that significantly improves performance is lazy loading. In this blog, we will explore what lazy loading…
