The event loop

frames: 0

A · Does “Loading…” reach the screen?

Same one-second crunch every time. Only the yield before it changes.

A1 · no yield A2 · rAF only A3 · rAF → setTimeout

B · Which await lets the page in?

Identical work and identical structure. Only the awaited thing changes.

B1 · await null B2 · await queueMicrotask B3 · await setTimeout B4 · time-sliced 10 ms Cancel clear table