React useId

Created By: chatGPT

useId is a React hook introduced in React 18 that helps generate unique IDs. This is particularly useful when you need to associate elements with their labels for accessibility, such as in form elements. The IDs generated by useId are stable and consistent across renders, eliminating the common pitfall of generating IDs within component states. Here's a brief overview of how to use it:
import React, { useId } from 'react';

function MyComponent() {
    const id = useId();

    return (
        <div>
            <label htmlFor={`${id}-input`}>My Input:</label>
            <input id={`${id}-input`} type="text" />
        </div>
    );
}

export default MyComponent;
In the example above, we import the useId hook from React, and call it to create a unique ID that can be used for an input field. By combining the generated ID with a hyphen and a suffix (like -input), we ensure that each element that requires a unique ID stays distinct while still being tied to its label.

Benefits of using useId:

  • Ensures unique IDs across the component renders.
  • Simplifies handling of accessibility features in forms.
  • Reduces the complexity of manually creating and managing IDs.
However, keep in mind that useId should primarily be used for dynamically generated content and should not be used for static IDs or when you already have a unique identifier available.Using useId effectively enhances your component's accessibility and simplifies your code, ensuring that your components are robust, clean, and easier to maintain.
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