Stringify a JavaScript Object

<!DOCTYPE html>
<html>
<body>

<h2>Create JSON string from a JavaScript object.</h2>

<p id="demo"></p>

<script>
var obj = { name: "John", age: 30, city: "New York" };
var myJSON = JSON.stringify(obj);
document.getElementById("demo").innerHTML = myJSON;
</script>

</body>
</html>