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Predict the order of setTimeout 0 and setImmediate in the main module versus inside an fs callback.

MediumP1Output

This Node.js code schedules a setTimeout(..., 0) and a setImmediate from inside an I/O callback. What does it print, and how would the order differ if both were scheduled in the main module?

1const fs = require('fs');
2fs.stat('.', () => {
3  setTimeout(() => console.log('timeout'), 0);
4  setImmediate(() => console.log('immediate'));
5});

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One line per console.log. Arrays as [1, 2, 3], objects as { a: 1 }, an uncaught error as Uncaught TypeError: message (Chrome and Node wording).

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