<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("input[name^='A']").val("data"); }); </script> </head> <body> <input name="Abc" /> <input name="Bcd" /> <input name="Cde" /> </body> </html>