JSFiddle - React, Tailwind, and code Playground
HTML
<iframe name="iframeId" id="iframeId" width="100%" height="100%" src="about:blank"></iframe>
JavaScript
document.getElementById('iframeId').contentWindow.document.body.innerHTML =
'<a href="#" title="link1">link1</a>\
<a href="#" title="link2">link2</a>\
<a href="#" title="link3">link3</a>\
<a href="#" title="link4">link4</a>';
setTimeout( function () {
$("#iframeId").contents().find("a").removeAttr("title");
}, 1000 );