<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<script>
// Function to check if a webpage is in iFrame
function iniFrame() {
if(window.self !== window.top) {
// !== the operator checks if the operands are
// have not the same value or not equal type
document.write("The page is in loaded in iFrame");
} else {
document.write("The page is loaded directly in the browser window.");
}
}
iniFrame();
</script>
</body>
</html>