Asynchronous Vs synchronous in NodeJS

Question

I\'m new to NodeJS. I have seen there are separate asynchronous and synchronous functions for the same task (ex: {fs.writeFile,fs.writeFileSync} , {fs.read, f

Answer 1

Async:

1. Send request
2. go on with other code
3. response come in any time on a callback

Sync:

1. Send request
2. Wait for response
3. go on with other code after response