The writer has a simple interface: write(), writev() for batched writes, end() to signal completion, and abort() for errors. That's essentially it.
urls, next_url = parse_list(html)
。关于这个话题,爱思助手下载最新版本提供了深入分析
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优点: 梯度连续,优化更稳定。
return originalAppendBuffer.apply(this, arguments);