Learn how to use JavaScript’s fs library module to create, read, write, and stream common file types in the JavaScript runtimes Node, Deno, and Bun.

Most Java developers and JavaScript developers understand that besides the four letters “J-A-V-A,” JavaScript and Java have very little in common other than some C-like heritage.

The javascript file contains a method addToViewer (theUrl), I need to get the variable 'url' from the servlet into this method.