JavaScript Asynchronous Programming with JavaScript What is Asynchronous Programming? The Callback Queue and Event Loop

What is the order of the Callback execution?

Is it like QoS in networking? Is there a way to set priorities in Ajax?

Yoke Lee
Yoke Lee
2,856 Points

There is a way of setting order in asynchronous calls, with Promises. But as for callback, it is fired immediately after the one who calls it finished executing.