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What does the 'indexOf()' method in JavaScript return if the element is not found in the array?
  • a)
    -1
  • b)
    null
  • c)
    undefined
  • d)
    false
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
What does the indexOf() method in JavaScript return if the element is ...
The 'indexOf()' method returns -1 if the element is not found in the array.
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