Fix 'React' refers to a UMD global, but the current file is a module

In this article, I will show you how to fix the "React refers to a UMD global, but the current file is a module" error

Fix the object passed as the value prop to the Context provider changes every render

This article demonstrates a solution using useMemo to cache the value prop of a context provider and only update it when it actually changes.

Fix the 'React' must be in scope when using JSX error

How to solve the 'React' must be in scope when using JSX error correctly in modern React applications.

How to run useEffect only once in React

Demonstrate how to execute useEffect only once, at first render in your function component.

Fix the React 18: Hydration failed because the initial UI does not match error

Demonstrate several methods to fix the Hydration failed error, which often occurres in React 18 or NextJS.

Fix npm ERR! enoent ENOENT: no such file or directory error

How to analyze and fix the annoying "npm ENOENT no such file or directory" error as quickly as possible.

Fix the ReactDOM.render is no longer supported in React 18

A simple solution to fix the warning: ReactDOM.render is no longer supported in React 18. Use createRoot instead.

Fix the TypeError: MiniCssExtractPlugin is not a constructor

There is a bug in the recent versions of MiniCssExtractPlugin that causes TypeError: MiniCssExtractPlugin is not a constructor.

Solving the Uncaught SyntaxError: Cannot use import statement outside a module

Quick fix solutions for the Uncaught SyntaxError: Cannot use import statement outside a module. Works with node, react, vue, angular, typescript.

Remove element from an array

There are multiple ways to remove a specific item from a JavaScript array. In this article, we'll show you the possibilities with examples.

Where are the config files created by create-react-app

If you are new to react development you are probably wondering where the configuration files generated by create-react-app like webpack config are.