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Which is/are the valid JavaScript method(s) to extract string parts?

55. Which is/are the valid JavaScript method(s) to extract string parts?

1. slice(start, end)
2. substring(start, end)
3. substr(start, length)
4. All of the above

Answer: D) All of the above

Explanation:

The all of the above JavaScript methods can be used to extract string parts.