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}
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}

Semi-golfed Canvas Setup

  1. ((
  2.   width = 200, height = 200, 
  3.   cnv = document.body.appendChild(
  4.     Object.assign(
  5.       document.createElement('canvas'), {
  6.       width, height
  7.     })
  8.   ),
  9.   c = cnv.getContext('2d'), 
  10.   f = c.fillRect.bind(c),
  11.   C = _ => c.fillStyle = _) => {
  12.  
  13.   C`gray`; f(0, 0, width, height);
  14.   C`blue`; f(10, 10, 100, 20);
  15. })();
snippet.zone ~ 2021-22 /// {s/z}