исключение

js/script.js

function funMake() {
function fun(arg0, arg1) {
try {
if(arg1==0) {
throw new Error('You cannot divide by zero!') ;
}
else {
document.write(arg0/arg1 + '<br /');
}
}
catch(ex) {
document.write(ex.message + '<br />');
}
finally {
document.write('Hello World!');
}
}
fun(5, 0);
}

function funMake() {
function fun(arg0, arg1) {
try {
if(arg1==0) {
throw new Error('You cannot divide by zero!') ;
}
else {
document.write(arg0/arg1 + '<br /');
}
}
catch(ex) {
document.write(ex.message + '<br />');
}
finally {
document.write('Hello World!');
}
}
fun(5, 0);
}

index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>New Page</title>
<script src="js/script.js"></script>
</head>
<body>
<script>
funMake();
</script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>New Page</title>
<script src="js/script.js"></script>
</head>
<body>
<script>
funMake();
</script>
</body>
</html>