Is console.log atomic?

The print statement in Python is not thread-safe. Is it safe to use console.log in Node.js concurrently? If so, then is it also interleave-safe? That is, if multiple (even hundreds) of callbacks …

Is there any possibility of two asynchronous Javascript function instances executing two blocks of code at the same time?

I understand that Javascript doesn’t have multiple threads, but I’d like to know if the following code has any chance of breaking. My understanding is that unless an asynchronous function is called, …