AWS, JavaScript, React - Deploy Web Apps on the Cloud - JavaScript Output

The video tutorial introduces two JavaScript methods for outputting data: document.write and window.alert. It begins with an explanation of document.write, demonstrating its use in displaying the result of a simple calculation on a web page. The tutorial then transitions to window.alert, showing how it can be used to display data in a pop-up message box. The differences between the two methods are highlighted, providing a clear understanding of their applications.

What is the primary function of the document.write method in JavaScript?

• To open a new browser window

• To create a new HTML document

• To display content directly in the web page

• To send data to a server

In the example provided, what operation is performed using document.write?

• Multiplication of two numbers

• Addition of two numbers

• Division of two numbers

• Subtraction of two numbers

What happens when you change the equation in the document.write example and save the file?

• Nothing changes until the browser is refreshed

• The displayed result updates automatically

• The web page crashes

• The browser needs to be restarted

How does the window.alert method differ from document.write?

• It is used for debugging purposes only

• It displays output in a pop-up message box

• It requires a server connection

• It can only display numbers

What value is displayed in the pop-up message box when using window.alert in the example?

• 11

• 12

• 13

• 14