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AboutAll PostsWarningRandom

Random Color Strings

  1. R = Math.random
  2. b = document.body
  3. b.style = 'background: black; font-family: sans-serif; text-transform: uppercase; color: white;'
  4.  
  5. setInterval(_ => {
  6.   if (R()<.9) {
  7.     s = ''
  8.     for(i=0;i<R() * 30 + 4;i++) s+=(~~(R() * 0xff)).toString(36)
  9.       .replace(R() < .9 ? /[0-9]/g : '', '')
  10.  
  11.     b.innerHTML += `
  12.      <n style="color:hsl(${R()*360}, 30%, 50%)">${s}</n> `+(R()<.1?'<br>':'');
  13.   }
  14. }, 100)

Make some random strings and give them a random color… a friend of mine showed a work in progress forked codepen – so I created a golfed version/variation…

// codegolf // random // regex // speedcoding // strings

Building Spikes Codegolf

  1. f = 
  2.  
  3. n=>`   ^ 
  4.   /|\\
  5.  /.|.\\
  6. /..|..\\
  7. ___`.replace(/.[_|^]./g,'$&'.repeat(n))+'____'
  8.  
  9. // test it out
  10. document.body.innerHTML += 
  11. `<pre>${f(1)}
  12. ${f(3)}
  13. ${f(4)}`

Great codegolf stackexchange answer from user tsh

// codegolf // golfed // javascript // regex // strings

Fibonacci Triangle Golfed

  1. // by Arnauld - https://codegolf.stackexchange.com/users/58563/arnauld
  2. f=(n,a=b=1,p)=>n?''.padEnd(p)+a+`+${b}=${b+=a}
  3. `+f(n-1,b-a,(a+"").length-~p):''
  4.  
  5. console.log(f(20))

Great golfed solution to this question at codegolf stackexchange by user Arnauld

// codegolf // javascript // math

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``
// codegolf // javascript // speedcoding // strings

Bat Signal

  1. document.body.innerHTML = '<pre>'+`n2zh2
  2. f8l2b2l8
  3. b8pep8
  4. 7cpepc
  5. 5ijiji
  6. 3yyq
  7. 0
  8. 0
  9. 0
  10. 3yyq
  11. 5afy8fa
  12. 98f69a96f8
  13. f4f2d6d2f4`.replace(/./g,c=>'* '[(n=parseInt(c,36))&1].repeat(n/2||49))
           *                         *
       ****          *     *          ****
     ****            *******            ****
   ******            *******            ******
  *********         *********         *********
 ***********************************************
*************************************************
*************************************************
*************************************************
 ***********************************************
  *****       *********************       *****
    ****       ***    *****    ***       ****
       **       *      ***      *       **

Fun js codegolf answer from user arnauld… Whole thread is very fun…

// codegolf // javascript // strings
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