Chafik Gharbi

Learn how to fix the common undefined is not a function error in JavaScript. Discover the most common causes of this error and find solutions with code examples to help you troubleshoot and debug your code.

Learn how to use the ChatGPT OpenAI API in a Javascript Node.js application. This guide covers setting up a project, installing dependencies, authenticating with the API, sending requests, and handling responses to generate human-like text for chatbots and other natural language processing applications.

Optimize the performance of your React application with hooks - Learn how to use React hooks such as useEffect, useMemo, useCallback, useReducer, and React.lazy to control re-renders, memoize calculations, handle state updates, and split code. Improve the speed and user experience of your React application.

This article provides a list of coding challenges, with solutions and explanations, to help prepare for a JavaScript interview.

On-demand services such as taxi and food delivery apps have a very important feature which is the real-time position tracking of their users

If you enjoy building mobile apps with Expo like I do, you've probably encountered some limitations such as applying native configurations in the managed workflow

We can call functions and methods located inside a child component simply using references

React components automatically re-render whenever there is a change in their state or props. In some cases, you may want to re-render a component without changing its data

The DOM in Vue JS is updated asynchronously. When you change a value, the change is not immediately rendered in the DOM...

Learn how to use React Native Webview to convert your website into mobile application for Android and IOS

Find out how to make global functions in Vue.js using Mixins and Plugins

Expo is a great tool for developing mobile applications with React Native, especially for beginners, but this power has consequences and limits. some features cannot be implemented without detaching from Expo.

When you nest your components in react.js, in some cases, you may want to update the state of the parent component from the child component or vice versa.

I often use Tailwind CSS in my projects, due to its flexibility and customizability. If you want to get up quickly with any new front-end project, Tailwind should be your choice.

In this article you will discover how to make a blog, that delivers better performance, higher security and lower budget, based on static site generators.

Watchers are Vue.js feature that allows you to track a component property and run a function whenever its value changes.

Recently, I worked on a project based on Laravel and Vue.js where I had to set up a manual imagecropping tool with server upload. I then decided to share it in this tutorial.