JSFiddle - React, Tailwind, and code Playground

JavaScript

$(document).ready(function() {
  console.log('test');
  $.ajax({
    url: "https://thecatapi.com/api/images/get",
    type: "GET",
    data: {'format': 'html'},
    success: function(data) {
      console.log('test1');
      console.log(data);
      console.log('test2')
    },
    error: function(data) {
    console.log(data.responseText);
      var img = $(data.responseText).find('img').attr('src');
      console.log(img.replace("http:", "https:"))
    }
  });
});