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JavaScript String Case — exercises and bug fixes

5 hands-on exercises and 5 find-the-bug challenges for the JavaScript String Case lesson. Every one is checked automatically in the browser — write the code, run it, and the tests tell you what still fails.

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Exercises(5)

  1. 1

    Uppercase a name

    easy10 min

    Report the name in capitals.

  2. 2

    Lowercase a name

    easy10 min

    Report the name in lower case.

  3. 3

    Compare without case

    easy10 min

    Report that two differently-cased names match.

  4. 4

    Capitalise a word

    easy10 min

    Turn the word into a capitalised version.

  5. 5

    Search without case

    medium10 min

    Find the word regardless of how it is capitalised.

Find the bug(5)

  1. 1

    Fix the result thrown away

    easy8 min

    The method returns a new string; the original is unchanged.

  2. 2

    Fix the case-sensitive comparison

    easy8 min

    The two names differ only in case and should match.

  3. 3

    Fix the case-sensitive search

    easy8 min

    The search should ignore capitalisation.

  4. 4

    Fix the whole word capitalised

    easy8 min

    Only the first letter should change.

  5. 5

    Fix the missing rest of the word

    easy8 min

    The capitalised letter must be joined to the remaining characters.

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