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AboutAll PostsWarningRandom

Extremely Golfed Canvas

  1. d = document
  2. b = d.body
  3. with(
  4.   b.appendChild(Object.assign(
  5.   d.createElement`canvas`, { width: 100, height: 100 })
  6.   ).getContext`2d`) {
  7.  
  8.   fillStyle = 'red'
  9.   fillRect(5, 5, 20, 20)
  10. }
  11.  
  12. // slightly more complex example
  13. with(
  14.   b.appendChild(Object.assign(
  15.   d.createElement`canvas`, { width: 200, height: 200 })
  16.   ).getContext`2d`) {
  17.  
  18.   fillStyle = '#555', strokeStyle = '#fff', fillRect(0, 0, 200, 200)
  19.   for (i = 0; i < 10; i++) 
  20.     beginPath(), moveTo(20, 20), lineTo(i * 20 + 10, 190), stroke()
  21. }

Easy way to write canvas stuff with very little boilerplate code. with doesn’t work in strict mode.

// canvas // codegolf // javascript

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