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JavaScript Loops

Challenge set

JavaScript Loops

Practice JavaScript loops through six focused Challenges covering counters, collection traversal, nested iteration, and practical repetition patterns.

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Work through the collection

Challenges in This Set

  1. 01
    JavaScript logo

    JavaScript

    Game Start Countdown

    Use a descending JavaScript for loop to count from five to one, then print a final message that starts the game for waiting players.

    Experience points50XPBeginner
  2. 02
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    JavaScript

    Fuel Gauge

    Practice a JavaScript while loop by increasing a fuel gauge in fixed steps until the tank reaches 100 percent and launch is ready.

    Experience points50XPBeginner
  3. 03
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    JavaScript

    Supply Run

    Use a JavaScript for...of loop to pack every supply in array order, then report how many items were packed for the trip.

    Experience points50XPBeginner
  4. 04
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    JavaScript

    Passing Scores

    Loop through JavaScript scores, identify every passing result, and maintain an accurate count without changing the original array.

    Experience points50XPBeginner
  5. 05
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    JavaScript

    Obstacle Course

    Control a JavaScript loop with continue and break to skip blocked course levels and stop when the final checkpoint is reached.

    Experience points50XPBeginner
  6. 06
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    JavaScript

    Treasure Grid

    Search a JavaScript grid with nested loops, locate the hidden treasure marker, and report its row and column coordinates.

    Experience points50XPBeginner
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