JSFiddle - React, Tailwind, and code Playground

HTML

<input id="t1" type="text" value="http://www.microsoft.com/" /> <button id="b1">getir</button><br /><br />

<iframe src="http://www.bing.com" id="i1"></iframe>

JavaScript

$('#b1').click(function() {
  $('#i1').attr('src', $('#t1').val());
});