sponsorBar.js

window.initSponsorBar = function() {
  let sponsorBar = document.getElementById('sponsorBar');

  if (Math.random() < 0.5) {
    initCarbon();
  } else {
    initCodeFund();
  }

  function initCarbon(){
    let elem = document.createElement('div');
    elem.id = 'carbon';
    sponsorBar.append(elem);

    let script = document.createElement('script');
    script.src = "//m.servedby-buysellads.com/monetization.js";

    script.onload = () => setTimeout(() => {
      _bsa.init('custom', 'CKYDEK3U', 'placement:javascriptinfo',
        {
          target:   '#carbon',
          template: `
    <a href="##statlink##" target="_blank" rel="nofollow noopener" class="carbon-cpc">
    <div class="carbon-description"><strong>##company##</strong> — ##description##</div>
    </a>
    <a href="https://www.carbonads.net/?utm_source=javascript-info-custom&utm_medium=ad_via_link&utm_campaign=in_unit&utm_term=custom" target="_blank" rel="nofollow noopener" class="carbon-sponsor">Ads via Carbon</a>
    `
        }
      );
    }, 100);

    sponsorBar.append(script);
  }

  function initCodeFund() {
    let elem = document.createElement('div');
    elem.id = 'codefund';
    sponsorBar.append(elem);

    let script = document.createElement('script');
    script.src = "https://codefund.io/properties/339/funder.js";
    sponsorBar.append(script);
  }

};