DEMO 1: Wait. What is a pixel exactly? And how did the color change in the previous activity?

  • Click Run and watch the stage for an explanation.
  • After you finish the demonstration, press Submit and Next to move on.

To navigate the page using the TAB key, first press ESC to exit the code editor.

# THIS ACTIVITY IS IN PREVIEW ONLY MODE
  • Run Code
  • Submit Work
  • Next Activity
  • Show Console
  • Reset Code Editor
  • Codesters How To (opens in a new tab)