String.charCodeAt only work on firefox

[tonyrog]

I changed String.charCodeAt(S[i]) into S.charCodeAt(i) then it work under Safari and
Chrome as well.
diff --git a/bert.js b/bert.js
index c76c7d3..b003b68 100644
--- a/bert.js
+++ b/bert.js
@@ -253,7 +253,7 @@ BertClass.prototype.decode_inner = function (S) {
case this.NIL:
return this.decode_nil(S);
default:

•   throw ("Unexpected BERT type: " + String.charCodeAt(Type));
  

•   throw ("Unexpected BERT type: " + S.charCodeAt(0));
  

  }
  };

@@ -395,9 +395,9 @@ BertClass.prototype.int_to_bytes = function (Int, Length) {
// of the supplied string.
BertClass.prototype.bytes_to_int = function (S, Length) {
var isNegative, i, n, Num = 0;

• isNegative = (String.charCodeAt(S[0]) > 128);
• isNegative = (S.charCodeAt(0) > 128);
  for (i = 0; i < Length; i++) {

•   n = String.charCodeAt(S[i]);
  

•   n = S.charCodeAt(i);
  if (isNegative) {
      n = 255 - n;
  }
  

  @@ -440,10 +440,10 @@ BertClass.prototype.bignum_to_bytes = function (Int) {
  // Encode a list of bytes into an Erlang bignum.
  BertClass.prototype.bytes_to_bignum = function (S, Count) {
  var isNegative, i, n, Num = 0;
• isNegative = (String.charCodeAt(S[0]) === 1);
• isNegative = (S.charCodeAt(0) === 1);
  S = S.substring(1);
  for (i = Count - 1; i >= 0; i--) {

•   n = String.charCodeAt(S[i]);
  

•   n = S.charCodeAt(i);
  if (Num === 0) {
      Num = n;
  }
  

  @@ -475,7 +475,7 @@ BertClass.prototype.pp_bytes = function (Bin) {
  if (s !== "") {
  s += ",";
  }

•   s += "" + String.charCodeAt(Bin[i]);
  

•   s += "" + Bin.charCodeAt(i);
  

  }
  return "<<" + s + ">>";
  };

[rustyio]

Fixed in commit ef149b1. Thanks for the patch!