Very easy task

— Display your full name in an alert box.

–Provide the result of a calculation in an alert box that will involve three numbers; you will decide what the variable names are and what the values and math operations will be. You must supply labels to inform the viewer what the numbers represent (See concatenation below)

–Display the values of the screen size you are using to write your code.

The third bullet above requires you to use the JavaScript functions of screen.height and screen.width plus the concatenation symbol of ‘+’. Look it up using the link.