event loop
转载
console.log('1111');
setTimeout(() => {
console.log('4444');
new Promise((resolve) => {
console.log('5555');
resolve();
}).then(() => {
console.log('6666')
})
})
new Promise((resolve) => {
console.log('2222');
resolve();
console.log('lll');
}).then(() => {
console.log('3333')
})
setTimeout(() => {
console.log('7777');
new Promise((resolve) => {
console.log('8888');
resolve();
}).then(() => {
console.log('9999')
})
});
// '1111'
// '2222'
// '3333'
// '4444'
// '5555'
// '6666'
// '7777'
// '8888'
// '9999'
