``` <script> console.log(1); setTimeout(() => { console.log(2); }, 0) </script> <script src="./test.js"></script> <script> console.log(8); </script> ``` 其中 test.js内容 ``` setTimeout(() => { console.log(3); }, 0) new Promise((resolve, reject) => { resolve(4) console.log(5); }) Promise.resolve().then(() => { console.log(6); }) console.log(7); ```