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Are You Using JSX Wrong in Next.js? Let’s Fix That Today!

If you're building modern web apps with Next.js, mastering JSX and rendering is a game-changer. But what if I told you many developers are unknowingly making mistakes that hurt their app's performance and maintainability? Let’s break it down! What is JSX? JSX (JavaScript XML) is a syntax extension for React that lets you write UI components with an HTML-like structure. It makes your components more readable and intuitive. Example: function Welcome() { return Hello, Next.js!; } This is equivalent to: function Welcome() { return React.createElement('h1', null, 'Hello, Next.js!'); } JSX makes your components cleaner and easier to manage, especially in larger applications.

Mar 4, 2025 - 06:34
 0
Are You Using JSX Wrong in Next.js? Let’s Fix That Today!

If you're building modern web apps with Next.js, mastering JSX and rendering is a game-changer.

Image description
But what if I told you many developers are unknowingly making mistakes that hurt their app's performance and maintainability?

Let’s break it down!

What is JSX?

JSX (JavaScript XML) is a syntax extension for React that lets you write UI components with an HTML-like structure. It makes your components more readable and intuitive.

Example:

function Welcome() {
  return 
Hello, Next.js!
;
}

This is equivalent to:

function Welcome() {
  return React.createElement('h1', null, 'Hello, Next.js!');
}

JSX makes your components cleaner and easier to manage, especially in larger applications.

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