How to Retrieve the src Attribute URL of an External JavaScript File

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How to Retrieve the src Attribute URL of an External JavaScript File

When working with JavaScript, there may be times when you need to know the exact source (URL) from which your script file was loaded. This might come in handy for logging purposes, analytics, or simply for debugging as you develop your applications. In this guide, we will explore how you can accomplish this using an elegant solution in JavaScript.

The Problem: Knowing Your Script's Source

Let's consider a common scenario: You have an external JavaScript file included in your HTML, such as:

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

Step-by-Step Implementation

Create your HTML File: First, ensure you have your HTML file set up with the script included.

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

Explanation of the Code

getAttribute('src'): This method retrieves the value of the src attribute, which is exactly what you need to know in this scenario.

Benefits of This Approach

Simple and Efficient: This method is straightforward and efficient, as it uses built-in JavaScript properties and methods without the need for additional libraries or complex logic.

Dynamic: This approach is dynamic, meaning it will work regardless of where your script is included within the HTML document, making it versatile for different projects.

Conclusion

Now that you know how to retrieve the URL of an externally included JavaScript file, you can leverage this information to enhance your web development tasks. Happy coding!