4.php
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<h1>javascript</h1>
<script charset="utf-8">
name = "egoing";
document.write("안녕하세요."+name);
</script>
<h1>php</h1>
<?php
$name = "egoing";
echo "안녕하세요.".$name;
?>
</body>
</html>

