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<title>JavaScript local scope</title>
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<pre> <!-- Use pre element for work document.writeln() method -->
<script type="text/javascript">
function myfun(){
// variable
var greetings = "Good morning, have a nice day!";
document.writeln(greetings + '<br />');
//function
function fun1() {
document.writeln("Hello world!" + '<br />');
}
fun1();
// object
var myObj = { "commercial": ".com", "network": ".net" };
document.writeln(myObj.commercial);
}
myfun();
// Remove below comments and run it again
//document.writeln(greetings); // undefined
//document.writeln(myObj.commercial); // undefined
//fun1(); // undefined
</script>
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