<!DOCTYPE html>
<html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js">
</script>
</head>
<body>

<iframe id="iFrame1" width='80%' height='80%' src="https://www.google.com/maps/" scrolling="yes" frameborder="1"></iframe>

<div class="src"></div>

<button onclick="yazdir()" type="button">tikla</button>

<script>
function yazdir() {
var src = document.getElementById("iFrame1").src;
$(".src").html(src);
}
</script>

</body>
</html>