JSX (JavaScript XML)

JSX is a syntax extension for JavaScript that allows developers to write HTML-like code directly within their JavaScript. It’s used primarily with React to describe what the UI should look like in a declarative and readable way.

While it looks like HTML, JSX is syntactic sugar for React.createElement() calls under the hood. This combination of markup and logic makes it easier to visualize component structure and behavior in one place.

Example:

jsx
const Greeting = ({ name }) => {
  return <h1>Hello, {name}!</h1>;
};
This is transformed by tools like Babel into:
js
React.createElement('h1', null, `Hello, ${name}!`);

Why JSX Works:

• Readability: Combines markup and logic, improving developer understanding

• Powerful Expressions: You can embed JavaScript directly inside { }

• Component Structure: JSX naturally aligns with the component-based mindset of React

• Tooling Support: IDEs provide great syntax highlighting and linting

JSX Gotchas:

• Must return a single root element

• Use className instead of class

• Use camelCase for most attributes (onClick, tabIndex)

Wrap multiple lines with parentheses:

 jsxreturn (
  <div>
    <Header />
    <Footer />
  </div>
);

Why JSX Matters

JSX makes UI development in React faster, cleaner, and easier to maintain. It enables a seamless connection between the data and how it’s visually represented, reinforcing the declarative nature of React.

What is Superflex.ai?

Instead of handing designs off to developers or rewriting components from scratch, Superflex turns your Figma files directly into clean, modern React code. It understands structure, style, and intent—so what you design is exactly what gets built. No translation layer, no back-and-forth, just seamless execution from idea to interface.