QuestenaUn entraînement qui indique quoi revoir ensuite
Question 44

An array source is sliced to select two elements. Which statement describes the result?

  1. It removes the range and returns source
  2. It returns the same array after mutation
  3. It returns a new array and preserves sourceBonne réponse
  4. It returns only the number of selected elements

Explication

Array slice creates a new array for the selected range and does not change source. Confusing it with splice leads to the incorrect claim that the selected elements are removed from the original.

Continuer avec ce test

Commencer l’entraînement
Question 44: An array source is sliced to select two elements. Which… · JavaScript Fundamentals · Questena