echo '<script language="javascript">alert("juas");</script>';

echo '<script>alert("Message")</script>';

// This is in the PHP file and sends a Javascript alert to the client

$message = "Something";

echo "<script type='text/javascript'>alert('$message');</script>";

echo "<script>alert('error : ".$error."');</script>";

<?php

alert("Hello World");

​

function alert($msg) {

    echo "<script type='text/javascript'>alert('$msg');</script>";

}

?>

    echo "<script>alert('mesaj');</script>";

echo "<script>alert('mesaj');</script>";