Load JSON file as data in vanilla JS

jsondata.js

loadJSON({
 "lorem": "Lorem ipsum dolor sit amet",
 "consectetur": "adipisicing elit, laboris, adipisicing dolores nulla tempore cupidatat"
});

main.js

(function (window) {
  
  function somePostLoadCallBack(data) {
    // Do what you need to do with your newly parsed data
  }
  
  window.loadJSON = function (data) {
    somepostLoadCallBack(JSON.parse(data));  
  }

}(this));