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.

Why is it recommended to place JavaScript code within the head tags of an HTML document?

• To improve the visual layout of the page

• To make the page load faster

• To prevent errors when functions are called during page load

• To ensure the code is executed after the body loads

What does the JavaScript function in the example calculate?

• The average lifespan of a dog

• The total number of dog years in a decade

• The equivalent age of a person in dog years

• The number of years a dog has lived

What happens when the 'calculate' button is pressed in the example?

• The page reloads

• A new HTML element is created

• The JavaScript function is triggered

• The input fields are cleared

What is the name of the JavaScript function discussed in the third section?

• seeyears

• dogYears

• calculateAge

• ageConverter

Which event is used to activate the JavaScript function in the example?

• onclick

• onchange

• onhover

• onload