<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Variables</h1>
<p>You can declare many variables in one statement.</p>
<p id="demo"></p>
<script>
var person = "John Doe",
carName = "Volvo",
price = 200;
document.getElementById("demo").innerHTML = carName;
</script>
</body>
</html>