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Node.js Event Loop & V8 engine & libuv All In One

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Node.js Event Loop & V8 engine & libuv All In One

事件循环

image

const cb1 = () => console.log(`1`);
const cb2 = () => console.log(`2`);
const cb3 = () => console.log(`3`);
const cb4 = () => console.log(`4`);
const cb5 = () => console.log(`5`);
const cb6 = () => console.log(`6`);

setTimeout(cb1, 0);
Promise.resolve().then(cb2);
process.nextTick(cb3);
fs.readFile(cb4);
setImmediate(cb5);
setInterval(cb6);

demos

refs

https://www.builder.io/blog/visual-guide-to-nodejs-event-loop#libuv

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