Premium
Web Worker vs main thread for heavy browser compute
Challenge summary
A browser app parses large local data, builds a search index, and recomputes facets while the UI must stay responsive. Would you keep that work on the main thread or move it to a Web Worker?
What you'll practice
- Compare the available options against the prompt constraints.
- Defend one direction while acknowledging its main downside.
- Explain when an alternative becomes the stronger choice.
What Premium unlocks
Premium unlocks the option matrix, scenario-specific evaluation, answer walkthrough, and follow-up trade-off discussion.
Free related practice
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