Resolving the Typescript Error: EventTarget Not Assignable to HTMLFormElement in React Forms

Overcome the Typescript error "Argument of type 'EventTarget' is not assignable to parameter of type 'HTMLFormElement'". Learn the correct way to handle form events in a React application.
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Resolving the Typescript Error: EventTarget Not Assignable to HTMLFormElement in React Forms

When working with forms in React using TypeScript, you might encounter a frustrating error that states: "Argument of type 'EventTarget' is not assignable to parameter of type 'HTMLFormElement'". This can occur while trying to access form data upon submission. But don't worry; in this guide, we will explore the cause of this issue and how to seamlessly fix it.

The Problem Explained

In React, handling form submissions involves utilizing event objects to extract user input, typically done inside an event handler. Your initial code might look similar to this:

[[See Video to Reveal this Text or Code Snippet]]

Solution Overview

Implementation Steps

To implement this solution, follow these straightforward steps:

Step 1: Update the Event Handler

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Ensure Type Safety

Here, we are ensuring that when we retrieve email and password from the FormData, we reinforce type safety by casting them to string. This is a good practice when working with data retrieved from forms.

Step 3: Update Your Form Component

Keep your form component rendering as it is. Your handleSubmit will now work correctly:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Remember, handling form events accurately is crucial for a seamless user experience. Happy coding!