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Multiple ChoiceIntermediate 30s

Callback Hell

Choose the best answer for: nested callbacks
Options
  1. 1Deeply nested callbacks create 'callback hell' — Promises flatten this
  2. 2Callbacks cannot be nested at all, so callback hell is a myth in JavaScript
  3. 3Callback hell is a memory leak caused by deeply nested callback functions
  4. 4Callbacks are faster than promises because they skip the event loop entirely
javascriptintermediate

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