<!DOCTYPE html>
<html>
<head>
<title>トランプの練習</title>
<meta charset="UTF-8">
<script src="sample.js"></script>
<script src="jquery.js"></script>
</head>
<body onload="sample()">
<p id="memo">AA</p>
</body>
</html>
function sample(){
var urlx = "ren.php" ;
data = new XMLHttpRequest();
data.open("GET", urlx, false);
data.send(null);
var str=data.responseText;
$("#memo").html(str);
}
<?php
print "k3k4k5";
?>
