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JavaScript *

High-level, interpreted programming language. It is a language which is also characterized as dynamic, weakly typed, prototype-based and multi-paradigm

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How Closures Work and Why It Matters

Level of difficulty Medium
Reading time 8 min
Views 955

They might sound complicated, but they are actually a fundamental part of the language. In this article, we’ll explore closures in a straightforward and practical way. Let’s clear up common misunderstandings. Walk through real-world examples. Nail those tricky interview questions about closures. By the end, you’ll see closures not as a hurdle, but as a valuable part of your JavaScript toolkit.

Continue Closure Journey
Total votes 4: ↑4 and ↓0 +4
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React Global State Management: A Brief History and a Quick Guide

Level of difficulty Easy
Reading time 9 min
Views 734

If you’re a React developer, you know how important state management is. State is the data that powers your UI, making it interactive and dynamic. But managing state in React can be tricky, especially when you have to share it across multiple components or deal with complex and asynchronous logic.

That’s why over the years, React developers have come up with various solutions for state management, each with its own advantages and disadvantages. In this article, we’ll take a look at some of the most popular ones and how they evolved. We’ll also review some of the current state-management libraries and how to choose the best one for your app.

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Total votes 3: ↑3 and ↓0 +3
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Crafting Enhanced Dropdown Interactions with Svelte: Constructing an Advanced Dropdown Component with Svelte

Level of difficulty Medium
Reading time 3 min
Views 478

In the realm of frontend development, the quest for enhancing user interaction remains a constant pursuit. Developers, inspired by innovation, often seek solutions to refine components for a seamless user experience. Today, we delve into the construction of an advanced dropdown component using Svelte — a framework known for its simplicity and effectiveness.

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Total votes 3: ↑3 and ↓0 +3
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React — Higher Order Components (HOC)

Level of difficulty Medium
Reading time 5 min
Views 2K

In the ever-evolving realm of web development, mastering advanced concepts is essential for creating robust and flexible applications. In this article, we'll delve into one of these foundational React concepts: Higher-Order Components, commonly known as HOCs. 

Whether you're a seasoned developer seeking advanced techniques or a curious beginner eager to learn, we'll walk through the creation and application of HOCs step by step. Get ready to enrich your development toolkit with this powerful approach while discovering how to enhance the readability, reusability, and maintainability of your code.

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React Custom Hook: useTimeout

Level of difficulty Medium
Reading time 2 min
Views 1.6K

One of the significant advantages of this custom hook is that it ensures the callback function remains up to date even if it changes during component re-renders. By using a useRef to store the callback reference, the hook guarantees that the latest version of the function is always called.

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Total votes 4: ↑2 and ↓2 0
Comments 1

React Custom Hook: useStorage

Level of difficulty Medium
Reading time 3 min
Views 2K

One of the key advantages of this custom hook is its simplicity. You can use it to store any type of data, such as strings, numbers, or even complex objects, with just a few lines of code. Additionally, useStorage handles the serialization and deserialization of data for you, so you don't have to worry about converting values to and from JSON.

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Total votes 3: ↑2 and ↓1 +1
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React Custom Hook: useStateWithValidation

Level of difficulty Medium
Reading time 2 min
Views 1.4K

One of the key advantages of this custom hook is its flexibility. You can pass any validation function that suits your specific requirements. Whether it's checking the length of a string, ensuring a numeric value falls within a certain range, or performing more complex validations, useStateWithValidation has got you covered.

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Total votes 3: ↑2 and ↓1 +1
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React Custom Hook: useStateWithHistory

Level of difficulty Medium
Reading time 3 min
Views 1.7K

In this article series, we embark on a journey through the realm of custom React hooks, discovering their immense potential for elevating your development projects. Our focus today is on the "useStateWithHistory" hook, one of the many carefully crafted hooks available in the collection of React custom hooks.

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Total votes 1: ↑0 and ↓1 -1
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React + Three.js. Creating your own 3D shooter. Part 1

Level of difficulty Medium
Reading time 30 min
Views 5.1K

Hello, dear users of the IT world!

In the era of active development of web technologies and interactive applications, 3D-graphics is becoming more and more relevant and in demand. But how to create a 3D application without losing the advantages of web development? In this article, we will look at how to combine the power of Three.js with the flexibility of React to create your own game right in the browser.

This article will introduce you to the React Three Fiber library and teach you how to create interactive 3D games.

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Total votes 4: ↑3 and ↓1 +2
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React Custom Hook: useScript

Level of difficulty Medium
Reading time 2 min
Views 2.5K

useScript can be used in various scenarios. For instance, you can load external libraries like jQuery, enabling you to harness its powerful functionalities without adding bulk to your bundle. Additionally, you can load analytics scripts, social media widgets, or any other script necessary for your application's dynamic behavior.

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Total votes 4: ↑3 and ↓1 +2
Comments 1

React Custom Hook: useRenderCount

Level of difficulty Medium
Reading time 2 min
Views 1.3K

One of the major advantages of using useRenderCount is its simplicity. By abstracting the logic into a reusable hook, you can easily integrate it into any component without cluttering your codebase. Additionally, it provides a clear and concise way to monitor render behavior, which can be crucial for performance optimization and debugging.

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Total votes 3: ↑2 and ↓1 +1
Comments 0

React Custom Hook: usePrevious

Level of difficulty Medium
Reading time 2 min
Views 3.5K

This custom hook can be a game-changer in various scenarios. For instance, you can utilize usePrevious to compare and visualize changes in data, track state transitions, or implement undo/redo functionality. Additionally, it can be valuable in form handling, animations, and any situation where having access to the previous value is crucial for your application's logic.

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Total votes 3: ↑2 and ↓1 +1
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Creating a mini-game with drip effect and moving circles. Part 2. Final

Level of difficulty Easy
Reading time 8 min
Views 645

Hello, dear users of the IT world!

In modern web development there are many ways to make your website interesting and attractive to users. And even using simple techniques you can achieve great results!

I suggest you to create a mini-game from scratch yourself. And then, you can use it to liven up and add interactivity to any web page.

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React Custom Hook: useOnScreen

Level of difficulty Medium
Reading time 2 min
Views 2.8K

One of the key advantages of useOnScreen is its simplicity. With just a few lines of code, you can detect if an element is visible and respond accordingly. This can be immensely useful in scenarios where you want to trigger animations, lazy load images, or load additional content as the user scrolls.

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Total votes 3: ↑2 and ↓1 +1
Comments 2

Creating a mini-game with a drip effect and moving circles. Part 1

Level of difficulty Easy
Reading time 7 min
Views 760

Hello, dear users of the IT world!

In modern web development there are many ways to make your website interesting and attractive to users. And even using simple techniques you can achieve great results!

I suggest you to create a mini-game from scratch yourself. And then, you can use it to liven up and add interactivity to any web page.

Read more
Total votes 3: ↑3 and ↓0 +3
Comments 0

React Custom Hook: useOnlineStatus

Level of difficulty Medium
Reading time 2 min
Views 1.7K

One of the main advantages of "useOnlineStatus" is its simplicity. By importing and using this hook in your component, you can effortlessly access the online status of the user. The hook internally uses the "navigator.onLine" property to determine the initial online status and dynamically updates it whenever the user's connectivity changes.

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React Custom Hook: useMediaQuery

Level of difficulty Medium
Reading time 2 min
Views 2.2K

One of the key advantages of this custom hook is its simplicity and reusability. With just a few lines of code, you can effortlessly implement responsive behavior throughout your application. Whether you need to conditionally render components, apply specific styles, or trigger different functionality based on screen size, useMediaQuery has got you covered.

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Total votes 3: ↑2 and ↓1 +1
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