My First JavaScript Greeting


JavaScript Equations


JavaScript Coin Combinations


JavaScript Circle Circumference


JavaScript Blackjack Dealer


JavaScript Prime Numbers in a Range


JavaScript School Day or Weekend


JavaScript Person Favorites


JavaScript Pizza Planner


JavaScript Mad Libs

Fill every field, then click "Make My Story".











Design Switcher: Mini-Lesson on Circumference

Current scheme: Classic

Circumference 101

The circumference of a circle is the distance around it.

  • Formula: C = 2 × π × r
  • π is about 3.14159
  • r is the radius (center to edge)

Example: if r = 4, then C = 2 × π × 4 ≈ 25.133.


JavaScript Simon Says

Click "Start Game" to begin.


HTML5 Canvas: Cartoon Face


Countdown & Canvas Party

Starting in 10


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