JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <link rel="stylesheet" type="text/css" href="main.css">
    <title>Testing</title>
    <script>
    function get_blogposts() {
      console.log("Init");
      var hdrs = new Headers();
      hdrs.append('Content-Type', 'application/json');
      var req = new Request("https://write.as/api/collections/dar13/posts",
                            { mode: "cors",
                              headers: hdrs,
                              method: "GET"});
      
      fetch(req)
      .then(function(resp) {
        console.log(resp.ok);
        if(!resp.ok) {
          throw new Error("HTTP Error, status = " + resp.status);
        }

        return resp.json();
      })
      .then(function(json) {
        console.log(json);
      })
      .catch(function(err) {
        console.log("Error: " + err.message);
      });
    }
    window.load = get_blogposts();
    </script>
  </head>
  <body>
  </body>
</html>