For implementers, there's no Transformer protocol with start(), transform(), flush() methods and controller coordination passed into a TransformStream class that has its own hidden state machine and buffering mechanisms. Transforms are just functions or simple objects: far simpler to implement and test.
res[i] = stack.length ? cur - stack[stack.length - 1] : cur;
。旺商聊官方下载对此有专业解读
S.headers["User-Agent"] = random.choice(UA)
——“共产党人必须牢记，为民造福是最大政绩”