Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>A GLOBAL variable can be accessed from any script or function.</p>

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

<script>
var carName = "Volvo";
myFunction();

function myFunction() {
    document.getElementById("demo").innerHTML =
    "I can display " + carName;
}
</script>

</body>
</html>




Result:
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