字节前段校招面试题： - 沸点

FE @创业

字节前段校招面试题：
// 请说出以下代码打印的结果
async function async1() {
console.log('async1 start');
await async2();
console.log('async1 end');
}
async function async2() {
console.log('async2');
}
console.log('script start');
setTimeout(function() {
console.log('setTimeout');
}, 0);
async1();
new Promise(function(resolve) {
console.log('promise1');
resolve();
}).then(function() {
console.log('promise2');
});
console.log('script end');
/*
script start
async1 start
async2
promise1
script end
promise2
async1 end
setTimeout
*/

有大佬解释一下吗

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