<html>
<body>
<h2>Convert a JavaScript object into a JSON string, and send it to the server.</h2>
<script>
var myObj = { "name":"John", "age":31, "city":"New York" };
var myJSON = JSON.stringify(myObj);
window.location = "demo_json.php?x=" + myJSON;
</script>
</body>
</html>