How to Successfully Add Custom JavaScript/jQuery to Your React App

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Learn how to effectively integrate and utilize custom JavaScript or jQuery within your React application, ensuring smooth functionality with your templates.
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Can You Add Custom JavaScript/jQuery Files in a React App?

Integrating custom JavaScript or jQuery into a React application can be tricky, especially for developers who may be new to the React framework. If you've recently downloaded a template or theme and want to incorporate its JavaScript features—such as event handling, menus, or charts—you're not alone in wondering about the best approach to achieve this. Let's break down the steps you need to follow to make this happen seamlessly.

Understanding the Problem

You have a theme template for your React application, and you've successfully added all required CSS files to the assets folder within the src directory. However, you're running into issues when trying to include the JavaScript files. Here are the challenges you've faced:

This is a common situation for many developers. The good news is that there are solutions to help you add those custom JavaScript and jQuery files without running into errors.

Steps to Add JavaScript/jQuery in Your React App

1. Store JavaScript Files Correctly

The first step to successfully integrating JavaScript files is to store them in the right directory. Unlike your CSS files, which can be placed in the src folder, JavaScript files need to be added to the public folder of your React application.

Why use the public folder?

The React application uses the public folder to serve static files. By placing your JavaScript files here, you ensure that they are accessible without going through the Webpack bundler that React uses for the src folder.

Add the following script tag at the end of the <body> section:

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

3. Check for Errors and Functionality

Once you've added the script tags:

Reload your React app in the browser and check your console for any potential errors.

If everything is set up correctly, the custom JavaScript functions defined in your file should work seamlessly, allowing your template’s interactive elements to function as intended.

Conclusion

Take advantage of your template’s JavaScript features and watch your application come to life!

If you face any further issues, don’t hesitate to consult the documentation or seek help from the developer community. Happy coding!
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