JSFiddle - React, Tailwind, and code Playground

HTML

<div id="info"></div>

JavaScript

function loadgist(gistid) {

$.ajax({
  url: 'https://api.github.com/gists/'+gistid,
  type: 'GET',
  dataType: 'jsonp'
}).success( function(gistdata) {
  // This can be less complicated if you know the gist file name
  var objects = [];
  for (file in gistdata.data.files) {
    if (gistdata.data.files.hasOwnProperty(file)) {
      var o = JSON.parse(gistdata.data.files[file].content);
      if (o) {
        objects.push(o);
      }
    }
  }
  if (objects.length > 0) {
    DoSomethingWith(objects[0])
  }
}).error( function(e) {
  // ajax error
});
    
}

function DoSomethingWith(o) {
    $("#info").text( o.info.title );
}

loadgist(2439102);