<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <!-- <script src="https://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script> --> <style> </style> <script> document.addEventListener('DOMContentLoaded', _ => { document.querySelectorAll('button').forEach(_ => { _.addEventListener('click', e => { alert(`Форма: ${e.target.parentNode.name}, инпут: ${e.target.name}`) }) }) }) </script> </head> <body> <form name='frm-1'> <button name='btn-1-1'>Item 1 1</button> <button name='btn-1-2'>Item 1 2</button> </form> <form name='frm-2'> <button name='btn-2-1'>Item 2 1</button> <button name='btn-2-2'>Item 2 2</button> </form> </body> </html>