How to Successfully Add an External JavaScript Script to Your React App

Struggling to include external JavaScript in your React app? Discover the correct way to integrate JavaScript files using React and Helmet, and ensure your scripts work seamlessly!
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How to Successfully Add an External JavaScript Script to Your React App

When working with React, you might wonder how to include external JavaScript files. This can be especially confusing when you want to use components like Helmet for manipulating the document head. In this post, I'll guide you through the common challenges and an effective solution for integrating external JavaScript scripts into your React application.

The Problem

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The developer noted that when they used the script as inline code instead, it worked correctly. This raised the question: why was the external JavaScript file failing to execute?

The Solution

Avoid Script Tags for External Files

When working within a React application, it’s generally better to avoid using script tags to include external JavaScript files. Instead, you can import JavaScript files directly into your React components. Here’s how you can do it correctly:

Import Your JavaScript File:

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Ensure File Location:

Example Implementation

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Summary of Changes

Remove any script tags for external files.

Import the JavaScript file directly where it is needed in your React component.

Conclusion

By following these steps, you should be able to successfully integrate external JavaScript files into your React applications without issues. Avoid using external script tags and instead, use the import method to ensure that your scripts are bundled correctly in your application. Happy coding!