javascript html code

please the same output

Question 13 Write a javascript application that performs the following tasks: (CLO4 2marks) a) Create an external JavaScript file "calculate.js". bi input the raduis of the circle in a textbox. c) Without using onclick event of the button, the window should be loaded with an event start(); dy calculate the area of a circle=1*r2 e) The area should be displayed in a paragragh (whose id='area'). Castpic.docx Radius: 22 Calculate Sphere volume is: 44.6022381003635