Example of JavaScript do-while loop calculating the sum of numbers:
<!DOCTYPE html>
<html>
<head>
<title>Welcome to LearnKode - A code learning platform</title>
</head>
<body>
<button type="button" onclick="calculateSum()">Show the sum</button>
<script>
function calculateSum()
{
var sum = 0;
var number = 1;
do {
sum += number;
number++;
} while (number <= 50);
alert("Sum = " + sum);
}
</script>
</body>
</html>