Act as a JavaScript expert. What should happen: [expected behaviour] What actually happens: [bug] Code: ```js [paste] ``` Explain the async flow step by step, identify the bug (race condition, missing await, unhandled rejection, etc.), provide fixed code, and suggest patterns to prevent it (Promise.all, AbortControlle…
Coding & Development
Debug async JavaScript
Fix race conditions, unhandled promises and ordering bugs in async JavaScript.