<!DOCTYPE html> <html> <head> <meta charset='utf-8'> <title>Dwie liczby</title> <script src='main.js' defer></script> </head> <body> <input id="a" type="text"> <input id="b" type="text"> <button id="button">porĂłwnaj liczby</button> <p id="p"></p> </body> </html>