function array_diff (arr1) {
  

  var retArr = [],argl = arguments.length,k1 = '',i = 1,k = '',arr = {};
  

  arr1keys: for (k1 in arr1) {
  

  for (i = 1; i < argl; i++) {
  

  arr = arguments[i];
  

  for (k in arr) {
  

  if (arr[k] === arr1[k1]) {
  

  // If it reaches here, it was found in at least one array, so try next value
  

  continue arr1keys;
  

  }
  

  }
  

  retArr.push(arr1[k1]);
  

  }
  

  }
  

  

  return retArr;
  

  }
  

  

  var arr0 = [1,3,4,5];
  

  var arr = [1,3,5];
  

  alert(array_diff(arr0,arr));