Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>A doc.</title>
</head>
<?php

include_once 'database.php';
$db = new Database();
$token = $db->getRegisteredToken();
echo $token;
?>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
$( document ).ready(function($) {
    $(".t-form").submit(function(e){
        alert($("#ta").val());
    e.preventDefault();
    });
});

function isEmptyTextBox(){

var msgLength = $.trim($(“textarea”).val()).length;

if(msgLength == 0){

alert(“Text box must not be empty”);

return false;

}else{

return true;

}

}
</script>
<body>
    <form class="t-form" method="post" action="Servertofirebase.php" onsubmit="isEmptyTextBox()">
        <textarea name="tarea" id="ta" cols="30" rows="10"></textarea>
        <input id="button-send" type="submit" value="Send Firebase Push Notification">
    </form>
</body>
</html>