Quick Answer
Debug async JS: use Chrome DevTools async stack traces (shows the full async call chain), add breakpoints in async functions, use the Network tab for API request/response timing, add console.time/timeEnd around async operations, use Node.js --inspect for server-side async. The "Async" checkbox in DevTools sources panel shows where each async call was initiated.
Answer
Use browser DevTools async stack traces
Insert breakpoints in async code
Use VSCode/Node.js debugger
Log promise resolution paths
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.