<html> <head> <meta charset="utf-8"/> <script src="jquery.js"></script> </head> <body> <script> function check(){ $.get( "a4.php", function( data ) { var str=data; var str1; str1=$("#text").val(); str=str+str1; $("#bb").text(str); }); } </script> <textarea id="text"></textarea> <input type="button" onclick="check();" value="bu"> <p id="bb"></p> </body> </html>