problem description
questions about the sequence of code execution under chrome version 67 and node8.9.4
< hr >the code is as follows:
/ / existing tasks An and B.
/ / for task A, whether synchronous or asynchronous,
/ / wants AB serial processing, that is, An executes B
const log = console.log;
const f = () = > console.log ("A");
(async () = > f ()) ();
log ("B");
/ / execution result
/ / chrome version 67 A = > B
/ / node8.9.4 B = > A
question, why is the execution order different?