MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */
if ( mw.config.get('wgPageName') === 'Current_worldguards' ) {
  function fetch_worldguard_data() {
   fetch("https://puucraft-dynmap-regionsworldjson-test.mixarium.repl.co/", {"method": "GET", "mode": 'cors'}) /* gosh, how do i get around CSP? */
    .then(function(response) {
      if (response.ok) {
        return response.json()
      } else {
        throw new Error("NETWORK RESPONSE ERROR")
      };
    })
    .then(function(data) {
      var div_for_worldguard_list = document.getElementById('load_fetched_json_worldguard_data');
      var list = document.createElement('ul');

      for (var i = 0; i < Object.keys(data).length; i++) {
          var li = document.createElement('li');
          li.innerHTML = data[i]['name'];
          list.appendChild(li);
          div_for_worldguard_list.appendChild(list);
    };
    })
    .catch(function (error) {console.error("FETCH ERROR:", error)})
};

fetch_worldguard_data()
}