Solve the Cannot use import statement outside a module Error in JavaScript

Learn how to fix the `Uncaught SyntaxError: Cannot use import statement outside a module` error in JavaScript by properly setting up ES modules in your project.
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Fixing the Cannot use import statement outside a module Error in JavaScript

Are you encountering the frustrating message: Uncaught SyntaxError: Cannot use import statement outside a module when working with JavaScript modules? You're not alone! Many developers, especially those just starting with modern JavaScript, hit this error while trying to export and import functions between scripts. In this guide, we'll explore why this error occurs and how to fix it in a straightforward manner.

Understanding the Problem

The Solution

Step 1: Add type="module"

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

Step 2: Ensure Correct Module Usage

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

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

Additional Considerations

Using defer Attribute: Notice the use of the defer attribute in the <script> tag. This ensures that your JavaScript runs after the HTML is fully loaded.

Cross-Browser Compatibility: This setup should work on modern browsers like Chrome, Firefox, and Edge. However, ensure you're testing on up-to-date versions to avoid compatibility issues.

Conclusion

With these simple adjustments, you should no longer see the “cannot use import statement outside a module” error. By adding type="module" to your script tags, you're informing the browser about how to handle your JavaScript files correctly. Now you can enjoy writing modular code and taking full advantage of JavaScript's flexibility!

If you continue to encounter issues, make sure to check your browser's console for other potential errors. Happy coding!