Phone Number Formatting Quiz
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Questions and Answers

What does the a!formatPhoneNumber() function do?

  • Returns an unformatted phone number
  • Returns a list of country codes
  • Returns a formatted phone number based on the outputFormat parameter (correct)
  • Returns a formatted phone number based on the countryCode parameter

What happens if the phone number provided does not match any of the provided country codes?

  • An error will appear
  • It will be returned as valid but unformatted
  • It will be formatted as the first matching country code
  • It will be returned as invalid and unformatted (correct)

What is the purpose of the countryCode parameter in the a!formatPhoneNumber() function?

  • To format the phone number as an E164 number
  • To format the phone number as a national number
  • To verify that the phone number is valid (correct)
  • To format the phone number as an international number

What happens if no countryCode is provided and the phone number contains an international code?

<p>The function will use the international code to determine if the provided phone number is valid (C)</p> Signup and view all the answers

What is the purpose of the outputFormat parameter in the a!formatPhoneNumber() function?

<p>To specify how the phone number should be formatted (D)</p> Signup and view all the answers

What does the a!formatPhoneNumber() function do?

<p>Returns a formatted phone number based on the outputFormat parameter (A)</p> Signup and view all the answers

What happens if the phone number provided does not match any of the provided country codes in the a!formatPhoneNumber() function?

<p>The phone number will be returned as invalid and unformatted (A)</p> Signup and view all the answers

What is the purpose of the countryCode parameter in the a!formatPhoneNumber() function?

<p>To format the phone number as the first matching country code (B)</p> Signup and view all the answers

What is the purpose of the outputFormat parameter in the a!formatPhoneNumber() function?

<p>To specify how the phone number should be formatted (C)</p> Signup and view all the answers

Is the countryCode parameter required in the a!formatPhoneNumber() function if an international code is provided as part of the phone number?

<p>No, the countryCode parameter is optional (D)</p> Signup and view all the answers

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