if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate, context_w)) {
                    if (context_w.charCodeAt(0) < 256) {
                        for (i = 0 ; i < context_numBits ; i++) {
                            context_data_val = (context_data_val << 1);
                            if (context_data_position == bitsPerChar - 1) {