Browsing: JavaScript

This article will briefly revisit the concept of JavaScript Proxies and their purpose. We will then dive into a series of practical use cases, providing detailed code examples and clear explanations along the way. By the end of this journey, you should have a comprehensive understanding of how Proxies can be used to solve various problems and optimize your applications.

JSON Web Tokens (JWT) is a compact and self-contained technique for securely transferring data between parties as a JSON object is defined by the open standard. They are useful for authorization and authentication. They are useful for authorization and authentication.

While canvas animation is often considered the simpler approach for exporting animations to video and GIF formats, it can also limit the range of animations that can be created. Although complex and advanced animations are a possibility, it can quickly become a memory-intensive operation, especially when exporting to popular animation formats.

Last time, I implemented an organism that selected the maximum intensity around it and moved on. By intensity, I mean a circular gradient; the organism’s task is to reach the maximum point in the shortest way possible. There was only one center of intensity, and consequently, there was only one path of upward movement along the increasing gradient.

Over the past four years, I’ve gained extensive experience building products with Expressjs, Vue.js and React. As I delved deeper into these frameworks, I uncovered fascinating implementation details hidden beneath the surface. For instance, Vue 3’s reactivity system relies on Proxies instead of Object.defineProperty() used in Vue 2, while React employs Proxies in implementing the Virtual DOM.

The High-Efficiency Image Container (HEIC) is an image format based on the High-Efficiency Video Codec (HEVC). It was introduced by Apple in iOS 11 and macOS High Sierra as a more efficient alternative to the widely used JPEG format. HEIC images offer better compression and higher image quality than JPEG images, resulting in smaller file sizes without sacrificing image quality.

In this detailed tutorial, I will demonstrate how to upload images and videos to Cloudinary within a Node.js application. I’ll personally guide you through configuring your Cloudinary account and integrating the necessary packages into your application. Subsequently, we’ll delve into the implementation details, and I’ll provide code snippets to help you navigate the uploading process.

It is common to see Next.js applications that make use of client-side data fetching. The challenge with this technique of data fetching is that you have to render data based on user interaction, which can lead to several issues if not handled properly.

Scoping in JavaScript is a set of rules and mechanisms that govern the visibility and accessibility of variables, functions, and objects in the code. Scoping creates a hierarchical structure for variable and function access, which is important for controlling how and where identifiers can be accessed or modified. JavaScript supports two types of scoping: global and local.

I set a research goal for myself: to understand the most optimal decision-making algorithms at each level of task-setting, and to move from simpler solutions to more and more complex ones as the external environment becomes more complicated.