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Big Radio Button

  1. document.body.innerHTML = `
  2.   <p>Click/tap the radio button:</p>
  3.   <input type="radio" style="transform:translate(20px, 30px) scale(4);background:red">
  4. `;

I feel like at some point this didn’t work… nice to know it does now.

It will look different from browser to browser – as radio buttons do.

// tricks // ui

Airbrush-esque

  1. const canvas = document.createElement('canvas');
  2. const c = canvas.getContext('2d');
  3.  
  4. const brush = document.createElement('canvas');
  5. const brushC = brush.getContext('2d');
  6.  
  7. canvas.width = innerWidth;
  8. canvas.height = innerHeight;
  9. brush.width = innerWidth;
  10. brush.height = innerHeight;
  11.  
  12. document.body.appendChild(canvas);
  13.  
  14. c.fillStyle = 'black'
  15. c.fillRect(0, 0, canvas.width, canvas.height);
  16.  
  17. let brushSize = 50;
  18. let featherSize = .1;
  19. let featherSteps = Math.floor(brushSize * featherSize) + 1;
  20. let st = brushSize - featherSteps;
  21.  
  22. let a = 0;
  23. if (st < 1) st = 1;
  24. for (let i = 0; i < st; i++) {
  25.   a = 1 / (st - i)
  26.   c.strokeStyle = `rgba(255, 255, 255, ${a})`;
  27.   console.log(c.strokeStyle)
  28.   c.lineWidth = brushSize - i;
  29.   c.lineJoin = 'round'
  30.   c.lineCap = 'round'
  31.   c.beginPath();
  32.   c.moveTo(50, 50);
  33.   c.lineTo(200, 200);
  34.   c.bezierCurveTo(300, 200, 400, 200, 300, 400);
  35.   c.stroke();
  36. }

Nonsense Words Golfed

  1. vow = 'aeiou'.split``
  2. con = 'bcdfghjklmnpqrstvwxyz'.split``
  3.  
  4. R = _ => Math.random()
  5. r = a => a[~~(R() * a.length)]
  6.  
  7. part = _ => r(con) + r(vow) + (
  8.   R() < .5 ? r(vow) : ''
  9. )
  10.  
  11. wrd = _ => {
  12.   n = ~~(R() * 3) + 1
  13.   s = ''
  14.   for (i = n; i--;) 
  15.     s += part()
  16.  
  17.   return s + ' '
  18. }
  19.  
  20. for(k = 30; k--;) 
  21.   document.body.innerHTML += wrd()

Some nonsense words…

// humor // strings

Alphabet Array Golfed

  1. l=[]
  2. for(i=26;i--;)l[i]=(10+i).toString(36)
  3. console.log(l)

A nasty golfed way to fill an array with letters a-z.

I usually do (as seen in another post):

  1. let letters = 'abcdefghijklmopqrstuvwxyz'.split``

Fake RNG

  1. let anchors
  2. let idx
  3. let leng = 10
  4. let size = 200
  5. let px = 0
  6. let py = 0
  7.  
  8. function seed() {
  9.   idx = 0
  10.   anchors = (Date.now() + '').split``
  11.     .reverse()
  12.     .map(v => parseFloat(v) / 10)
  13.     .splice(0, leng)
  14. }
  15.  
  16. let last = 0
  17. let zoom = 1
  18. function rand() {
  19.   if (idx > size * size) seed()
  20.  
  21.   px += zoom
  22.   py += ~~(px / size)
  23.  
  24.   if (px >= size) px = 0
  25.   if (py >= size) py = 0
  26.  
  27.   const point = {
  28.     x: anchors[idx % leng],
  29.     y: anchors[(idx + 1) % leng]
  30.   }
  31.   idx++
  32.  
  33.   let dists = []
  34.   for (let i = 0; i < anchors.length; i += 2) {
  35.     let dx = px - anchors[i] * size
  36.     let dy = py - anchors[i + 1] * size
  37.     dists.push(Math.sqrt(dx * dx + dy * dy))
  38.   }
  39.   dists.sort()
  40.   last += (dists[0] / size - last) / 4
  41.   return last
  42. }
  43.  
  44. seed()
  45.  
  46. let d = document
  47. let b = d.body
  48. with (b.appendChild(
  49.   Object.assign(d.createElement`canvas`, { width: 400, height: 400 })
  50. ).getContext`2d`) {
  51.   fillStyle = 'black'
  52.   fillRect(0, 0, 400, 400)
  53.  
  54.   for (let i = 0; i < 200; i++) {
  55.     for (let j = 0; j < 200; j++) {
  56.       const c = rand() * 255
  57.       fillStyle = `rgb(${c}, ${c}, ${c})`
  58.       fillRect(j * 2, i * 2, 1, 2)
  59.     }
  60.   }
  61. }

Another one for genuary “Create your own pseudo-random number generator and visually check the results.”

snippet.zone ~ 2021-24 /// {s/z}