JSFiddle - React, Tailwind, and code Playground
HTML
<html>
<head>
<script src="https://code.jquery.com/jquery-3.6.0.js" integrity="sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk=" crossorigin="anonymous"></script>
</head>
<body>
<a href = "https://www.google.com/" >
click here
</a>
<iframe></iframe>
</body>
</html>
JavaScript
$('a').on('click', function(event){
event.preventDefault();
let url = $(this).attr('href');
$('iframe').attr('src', url);
})