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JavaScript else if Statement — exercises and bug fixes

5 hands-on exercises and 5 find-the-bug challenges for the JavaScript else if Statement 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

    Grade a score

    easy10 min

    Show "A" for 90+, "B" for 80+, otherwise "C". The score is 85.

  2. 2

    Describe a temperature

    easy10 min

    Show "hot" above 30, "warm" above 20, otherwise "cold". It is 25.

  3. 3

    Map a role to access

    easy10 min

    admin sees "full", editor sees "partial", anyone else "none". The role is editor.

  4. 4

    Classify a number

    easy10 min

    Show "negative", "zero" or "positive" for the value 0.

  5. 5

    Pick a shipping band

    medium10 min

    Free over 100, "standard" over 50, else "express". The total is 60.

Find the bug(5)

  1. 1

    Fix the branch order

    easy8 min

    The widest test comes first, so it swallows every score.

  2. 2

    Fix the separate ifs

    easy8 min

    Two independent ifs both run, so the last one wins.

  3. 3

    Fix the missing else

    easy8 min

    An unmatched value leaves the output untouched.

  4. 4

    Fix the zero test

    easy8 min

    Zero falls into the negative branch because the comparison includes it.

  5. 5

    Fix the unreachable branch

    easy8 min

    The final band can never be reached as written.

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