Use the Array.from() method in JavaScript to convert the arguments object to an array
Example
Live Demo
<!DOCTYPE html> <html> <body> <script> function sortArg() { var args = Array.from(arguments); return args.sort(); } document.write(sortArg('x', 'y', 'z', '20', '66', '35','john', 'david')); </script> </body> </html>