Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
3.9k views
in Technique[技术] by (71.8m points)

javascript - Is callback of an async function put in the message queue?

I am new to Javascript, In the following code

    async function fun(callback) {
      callback();
    }
    
    console.log('1');
    fun(function(){
      console.log('2');
    });
    console.log('3');

The order of execution seems to be 1,2,3. But callback of an asynchronous function is put in the message queue and executed only after call stack is empty, so shouldn't the order be 1 3 2 ?


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)
等待大神答复

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

1.4m articles

1.4m replys

5 comments

57.0k users

...