Top Questions

1. How do I check objects, subscriptions, network requests pending cleanup after React component unmount?
   3 votes

   1 answers
2. What is the best way to create a class instance variable only once in a React functional component?
   2 votes

   1 answers
3. Do variables declared outside React functional component get destroyed/deleted/garbage collected when component unmounts? Do they create memory leaks?
   1 votes

   0 answers
4. In React functional components, should we prefer using useCallback or should we make functions pure and keep outside the component?
   1 votes

   1 answers