Function $stringify

demo/js/index3.js:3472–3486

(it)

  return result;
};
var $stringify = function stringify(it){
  var args = [it]
    , i    = 1
    , $$   = arguments
    , replacer, $replacer;
  while($$.length > i)args.push($$[i++]);
  replacer = args[1];
  if(typeof replacer == 'function')$replacer = replacer;
  if($replacer || !isArray(replacer))replacer = function(key, value){
    if($replacer)value = $replacer.call(this, key, value);
    if(!isSymbol(value))return value;
  };
  args[1] = replacer;
  return _stringify.apply($JSON, args);
};
var buggyJSON = $fails(function(){
  var S = $Symbol();
  // MS Edge converts symbol values to JSON as {}