<!DOCTYPE html>
<html>
<head>
<title>Loop</title>
</head>
<body>
<h2>Nested Loop</h2>
<script>
for (let i = 0; i < 3; i++) {
document.write("Outer loop iteration: " + i , `<br>`);
for (let j = 0; j < 2; j++) {
document.write(" Inner loop iteration: " + j, `<br>`);
}
}
</script>
</body>
</html>
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This Pen doesn't use any external JavaScript resources.