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Jan 18th, 2018
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  1. var canvas = document.getElementById("myCanvas");
  2. var ctx = canvas.getContext("2d");
  3.  
  4. ctx.fillStyle = '#FF0000';
  5. ctx.fillRect(0, 0, 50, 250);
  6. ctx.fill();
  7. for(var i = 0; i < 255; i ++){
  8. var a = 255 - i;
  9. ctx.fillStyle = "RGB("+i+", "+a+", 0)"
  10. ctx.fillRect(0, i, 50, 250);
  11. ctx.fill();
  12. }
  13. /*for(var i = 0; i < 255; i ++){
  14. var a = 255 - (i - 255);
  15. var p = i - 255;
  16. ctx.fillStyle = "RGB("+a+", 0, "+p+")"
  17. ctx.fillRect(0, i, 50, 250);
  18. ctx.fill();
  19. }*/
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