simple script loader

loadScript.js

var loadScript = function (resources, callback) {
            var
              getScript = function (path) {
                  var s = document.createElement('script');
                  s.setAttribute('src', path);
                  s.onload = handler;
                  document.body.appendChild(s);
                  console.log(path + " loaded");
              },
              length = resources.length,
              handler = function () { counter++; },
              counter = 0,
              checker;
            for (var i = 0; i < length; i++) {
                getScript(resources[i]);
            }
            checker = setInterval(function () {
                if (counter === length) {
                    callback();
                    clearInterval(checker);
                }
            }, 100);
        };