Code
Select a scenario and click Run to deconstruct the execution flow.
Call Stack LIFO
STACK
Top of Stack
Web APIs
DOM, Timers, AJAX...
Microtask Queue HIGHEST PRIO
e.g., Promises, queueMicrotask
CHECKING...
Task Queue (Macro) FIFO
e.g., SetTimeout, DOM Events
CONSOLE OUTPUT
// Console ready...