When using React.memo() to optimize functional components in React, you may want to implement custom comparison logic if the component receives complex objects or arrays as props. By default, React.memo() performs a shallow comparison of props, which means it only compares the props at the top level and does not perform a deep comparison of…
Naming things in programming can be a challenging task, but it’s a crucial part of writing clear and maintainable code. This CheatSheet aims to simplify the process and provide practical tips that can be applied to any programming language. Throughout the article, we’ll use JavaScript examples to demonstrate these concepts in action. English Language Use…
The Browser Object Model (BOM) is a JavaScript API that provides a way for developers to interact with the browser window and manipulate its functionality. BOM is not a standard specification, but most browsers have implemented similar methods and properties for BOM objects. In this blog post, we will provide you with a cheat sheet…
In JavaScript, falsy values such as false, 0, ” (an empty string), null, undefined, and NaN can cause unexpected behavior when working with arrays. In this post, we will explore how to use the filter() method to remove falsy values from arrays, and provide examples of how this technique can be used to clean up…
Website speed is a crucial factor in providing a positive user experience and improving search engine rankings. Slow loading times can result in high bounce rates, frustrated users, and a negative impact on SEO. In this article, we’ll discuss the top 10 reasons for slow website loading and provide solutions to fix them. 1) Large…
Front-end apps are interactive applications that run on a user’s browser and are built using technologies such as HTML, CSS, and JavaScript or frameworks like React, Angular, or Vue. These apps are essential for creating engaging web experiences, but they also face security risks that can compromise their functionality and integrity. In this blog post,…
XSS attacks can happen when an attacker injects malicious scripts by exploiting a vulnerability in an application. One common type of XSS attack is a DOM-based XSS attack. When an application mutates the DOM directly, it becomes easy for an attacker to inject data containing malicious JavaScript. To prevent XSS attacks, it’s important to validate…
Have you heard of the term “code review”? It’s like a safety net in software development. Basically, it’s a process where another developer or team member checks the code written by someone else. This is a crucial step in ensuring that the code is clean, efficient, and free of bugs. As a front-end developer, it…
Memory leaks are a common problem that can affect the performance and reliability of your web applications. A memory leak occurs when a variable or object is no longer needed but still occupies memory space. This can lead to increased memory usage, slow down the browser, and even crash the application. In this blog post,…
A new hook called “use” is generating a lot of buzz among the React team and the JavaScript community. People are discussing how to implement it and are exploring its potential for future use. What is use() hook? How does use() hook work? What are the benefits of use() hook? What are the drawbacks of…