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AboutAll PostsWarningRandom

Guess the semi-golf

  1. a=3217+'';a=[a];console.log(a[0][2])

Try and guess what would be logged here…

// arrays // codegolf // humor // javascript // strings

Obfuscated Pre

  1. b = document.body
  2. with(b.style) 
  3.   fontFamily = 'monospace', fontSize = '2em',
  4.   transform = 'skew(10deg) translateX(40px)'
  5.  
  6. N = '<br>';
  7.  
  8. (f=(_='*')=>(
  9.   b.innerHTML+=` <b style='opacity:${Math.random()+.2}'>${_}</b>`,f))('<pre>')
  10.   (   )(   )(   )(   )(N)
  11.    ('(')('0')('_')('_')(N)
  12.     ('-')(   )(   )('-')(N)
  13.      ('_')('_')('0')(')')(N)
  14.       ('-')(   )(   )('-')(N)
  15.        ('(')('0')('_')('_')(N)
  16.         ('-')(   )(   )('-')(N)
  17.          ('_')('_')('0')(')')(N)
  18.           ('-')(   )(   )('-')(N)
  19.            ('(')('0')('_')('_')(N)
  20.             (   )(   )(   )(   )

Not really sure what this is… just playing around…

// codegolf // javascript // obfuscation // speed-coded // strings

For Golf Down

  1. for(i=6;i--;)console.log(i)
// codegolf // javascript

Flatten Array Golf

  1.  
  2. console.log([100, 200, [2], [3, 4, [2, 3, [5]], 100]]+'')
  3. // outputs: "100,200,2,3,4,2,3,5,100"

Coercing a multidimensional array to a string flattens it and joins it with commas

// arrays // codegolf // javascript // strings

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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