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Donna Lu is an assistant editor, climate, environment and science at Guardian Australia
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As part of their research, they have put together a set of proposed improvements for Node.js' Web streams implementation that will eliminate promises in certain code paths which can yield a significant performance boost up to 10x faster, which only goes to prove the point: promises, while useful, add significant overhead. As one of the core maintainers of Node.js, I am looking forward to helping Malte and the folks at Vercel get their proposed improvements landed!
res[i] = stack[stack.length - 1]; // 易错点5：用at(-1)兼容性差，优先用stack.length-1