> Sorry if I'm raising this issue on the wrong place. In the documentation, https://nodejs.org/en/docs/guides/dont-block-the-event-loop/ `took = process.hrtime(n);` should be replaced by `took = process.hrtime(before);`
In the documentation, https://nodejs.org/en/docs/guides/dont-block-the-event-loop/
took = process.hrtime(n);should be replaced bytook = process.hrtime(before);