Learn JavaScript from Scratch JavaScript for Everyone - Debugging External Files

The video tutorial explains how to check if a JavaScript file is loading correctly by creating a new JavaScript file and linking it to an HTML document using the script tag. It demonstrates how to use console.log to verify successful loading and addresses common issues like typos and pathing errors that can prevent files from loading. The tutorial emphasizes the importance of debugging skills for handling external JavaScript files and prepares viewers for future lessons on storing data with variables.

What is the purpose of the SRC attribute in a script tag?

• To define the style of the script

• To specify the source of an external JavaScript file

• To link to an external CSS file

• To set the script's execution order

What is a common reason for a JavaScript file not loading properly?

• The file is too large

• The file is not in the root directory

• A typo in the file name or path

• Incorrect file permissions

How can you verify if a JavaScript file has loaded successfully?

• By observing changes in the page layout

• By checking the file size

• By looking for a console log message

• By checking the page title

What should you do if a JavaScript file fails to load due to a typo?

• Reinstall the browser

• Correct the typo and refresh the page

• Clear the browser cache

• Restart the server

Why is it important to understand how to debug JavaScript file loading issues?

• Because it enhances the security of the website

• Because it improves the visual design of the page

• Because these issues are common and will be encountered often

• Because it helps in optimizing the file size