# Node 的事件机制
const fs = require('fs');
setImmediate(() => {
console.log('setImmediate');
});
fs.readdir(__dirname, () => {
console.log('fs.readdir');
});
setTimeout(()=>{
console.log('setTimeout');
});
Promise.resolve().then(() => {
console.log('promise');
});
promise
setTimeout
fs.readdir
setImmediate
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