UseId hook Explanation in React js 2025
🔗 useId Hook in React JS 2025
What is useId?
The useId hook is used to generate unique IDs that are consistent across server and client, useful in accessibility and form elements.
🧠 Why use useId?
- To generate stable unique IDs for form labels and inputs
- Great for SSR (Server Side Rendering) applications
- Avoids hardcoding IDs or random ID logic
⚙️ Example: Generating ID for input & label
import React, { useId } from 'react';
function UsernameField() {
const id = useId();
return (
);
}
export default UsernameField;
✅ Benefits
- Works even if you render the component multiple times
- Prevents ID collision
- Improves accessibility (a11y)