Could you show me how to write a javascript code like this that produces these results, please?

Fly V F Tool Hulp Y! - tes String Costcomples Sasa What I now Upgrade your ow - Malapping Vahol Name - Games - esse - Pen Tools My first names Robert My last name is: Kueper There are 6 characters in my first name I was born in Brooklyn, New York My initiak are: RK Instructions Using Notepad, create a Web page that uses the string variables for first name, last name, and your place of birth. Use the CharAt() method to get the first letter of your First name and the first letter of your last name. Use the Length() command to get the number size for your place of birth