Question

Which of the following is not a valid method for generating output to the screen? A. document.write B. print C. alert D. prompt

Answer 1

Among the methods listed for generating output to the screen in JavaScript, 'document.write', 'alert', and 'prompt' are valid, while 'print' is typically used for initiating the printing of a document, not for screen output.

Step-by-step explanation:

The question regards various mechanisms for generating output in a browser environment, likely in the context of JavaScript programming. Of the options provided, A. document.write, C. alert, and D. prompt are all valid methods to generate output or interact with the user in JavaScript; however, B. print is not typically used for screen output in web development. It is usually associated with printing a document, not outputting data to the screen. To clarify the functionality of each:

• document.write() writes HTML expressions or JavaScript code to a document.
• alert() displays an alert box with a specified message and an OK button.
• prompt() displays a dialog box that prompts the visitor for input.

Therefore, the correct answer to which method is not a valid for generating output to the screen is B. print.