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) {