AWS, JavaScript, React - Deploy Web Apps on the Cloud - JS Placement

The video tutorial explains the importance of placing JavaScript code within the head tag of an HTML document to avoid errors during page load. It provides an example of a JavaScript function that calculates a person's age in dog years, demonstrating how the function is called and executed when a button is clicked. The tutorial also highlights the use of the onclick event to trigger the function.

How does the JavaScript function calculate a person's age in dog years?

What event triggers the JavaScript function to execute?