Memory Leak Practice Lab

Open each challenge in a new tab. Use Chrome DevTools → Memory to find the leak.

Workflow

  1. Take heap snapshot A (baseline)
  2. Click Start leaking and wait ~10 seconds
  3. Force garbage collection (trash icon)
  4. Take snapshot B
  5. Compare B to A — sort by # Delta
  6. Follow Retainers to the root cause

Challenges

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