JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<a href="#" target="_blank" rel="nofollow">
Link
</a>

CSS

* {color:#666; font-size:40px;}

JavaScript

jQuery('a[target="_blank"]').attr("rel", function() {
    return jQuery(this) + ' noopener'; 
});