JSFiddle - React, Tailwind, and code Playground

HTML

<a href="http://google.com">google</a>

<a href="http://yahoo.com/234234">yahoo</a>

<a href="http://yahoo.com/blahlasldjfiojasdiofjoiasdf">yahoo</a>

<a href="http://somethingelse.com">Something else</a>

JavaScript

$('a').each(function () {
    var url = "yahoo.com";
    var $this = $(this);
    var anchor = $(this).attr('href');
    var domain = url_domain(anchor);

    if (url === domain) {
        $this.css('font-size', '30px');
    }
});

function url_domain(data) {
  var    a      = document.createElement('a');
         a.href = data;
  return a.hostname;
}