JavaScript Expressions in JSX — a practical guide to JavaScript expressions in JSX with clear examples you can reuse in real projects.
React Tutorial Series (12/103). Prefer one article? Read the complete React tutorial.
Short description
Statements like if/for don’t go directly in JSX — use expressions or precompute.
Expressions
const name = 'Asha';
return <p>Hello {name.toUpperCase()} — {2 + 2}</p>;