async-js-loader

A simple grouped, ordered asynchronous JavaScript Loader

iAJSLoader.init([
  [
    "https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js",
    "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"
  ],
  [
    'js1-group1.js',
    'js2-group1.js'
  ],
  [
    'js1-group2.js',
    'js2-group2.js'
  ]
]);

Result: