Vue · Senior · Question 4 of 75

Why does changing state 100 times in one handler cause only one re-render?

✓Correct answer: Component updates are queued in a scheduler and flushed once in a microtask
2Vue throttles renders to one per second
3Only the last assignment is kept in memory

Explanation

Each mutation triggers effects, but render jobs are deduplicated in a queue. nextTick() returns the promise of that flush.

Further reading

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