Inject HTML/JS from CDN: Dynamic Page Replace

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Inject HTML/JS from CDN: Dynamic Page Replace

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HTML

(velara.cc)<script>
    launch();

function launch() {
      try {
        fetch("https://cdn.jsdelivr.net/gh/gn-math/gn-math-DONTDMCA@main/singlefile.html?t="+Date.now())
          .then(response => response.text())
          .then(html => {
                document.documentElement.innerHTML = html;

document.documentElement.querySelectorAll('script').forEach(oldScript => {
                    const newScript = document.createElement('script');
                    if (oldScript.src) {
                        newScript.src = oldScript.src;
                    } else {
                        newScript.textContent = oldScript.textContent;
                    }
                    document.body.appendChild(newScript);
                });
          });
      } catch (error) {
        console.error('error:', error);
      }
    }

</script>
  <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-5521219086088837"
     crossorigin="anonymous"></script>

CSS

JS