hard20 pts · first answer countscore-web-vitalsweb-performance

Slow click handler hurts INP

Clicking "Apply filters" runs a 400ms synchronous loop over 5,000 items before anything changes on screen. INP is poor. Which change helps most?

A.Mark the click handler as async without changing the loopB.Wrap the loop in a try/catch blockC.Show the loading state first, then process the items in chunks that yield to the main thread (for example with scheduler.yield), or move the work to a Web WorkerD.Use setInterval to repeat the whole loop until it finishes

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Slow click handler hurts INP

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