Kann mir wer helfen, den Code zu erklären

Code (Javascript):

(function($) {
 var $fortune = function(args) {
  if (args === undefined) {
   throw new Error("You must define the options.prices")
  }
  var options = $.extend({}, {
   prices: args,
   duration: 1e3,
   separation: 2,
   min_spins: 10,
   max_spins: 15,
   onSpinBounce: function() {}
  }, args);
  var fortune = this;
  var prices_amount = Array.isArray(options.prices) ? options.prices.length : options.prices;
  var prices_delta = 360 / prices_amount;
  var is_spinning =...

Kann mir wer helfen, den Code zu erklären

Kann mir wer helfen, den Code zu erklären