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HTML Audio — exercises and bug fixes

5 hands-on exercises and 5 find-the-bug challenges for the HTML Audio 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

    Add an audio player

    easy10 min

    Add an audio element with controls.

  2. 2

    Offer two formats

    easy10 min

    Add two source elements inside audio.

  3. 3

    Preload metadata only

    easy10 min

    Set preload to metadata.

  4. 4

    Loop the audio

    easy10 min

    Make the clip repeat.

  5. 5

    Add fallback text

    medium10 min

    Include a message for browsers without audio support.

Find the bug(5)

  1. 1

    Fix the player with no controls

    easy8 min

    Without controls the user cannot play anything.

  2. 2

    Fix the wrong element

    easy8 min

    Sound belongs in an audio element, not video.

  3. 3

    Fix the sources outside the player

    easy8 min

    Source elements must sit inside the audio element.

  4. 4

    Fix the autoplay without controls

    easy8 min

    Autoplaying with no controls traps the listener.

  5. 5

    Fix the wrong preload value

    easy8 min

    The value should be metadata, not meta.

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