How to get the url of an <a> tag inside iframe?

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// Get the iframe element
var iframe = document.getElementById('your-iframe-id');

// Get the document object of the iframe
var iframeDoc = iframe.contentDocument || iframe.contentWindow.document;

// Find the <a> tag inside the iframe content
var link = iframeDoc.querySelector('a');

// Get the URL of the <a> tag
var url = link.href;

// Log the URL to the console
console.log(url);