Try it Editor: Scope window

Edit This Code :


<!DOCTYPE html>
<html>
<body>

<p>
In HTML, all global variables will become window variables.
</p>

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

<script>
var carName = "Volvo";

// code here can use window.carName
document.getElementById("demo").innerHTML = "I can display " + window.carName;
</script>

</body>
</html>

Result :