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.

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