Chaos and destruction

destruction.js

var chars = '̴̴̛̮̫̞͚͉̮̙͕̳̲͉̤̗̹̮̦̪̖̱͍͙̖̟͕̹͕̙̦̣̲̠̪̯̳͖̝̩̝̦͇̥̠̟͚̳̤̹̗̻̭͍͖͕͓̻̥̹̮̙͔̗͍͚͓̗̦̹͈͙͕̘̮͖̝̗̲̤̗̮͈̙͈̹̼̣̹̖̱̤̼̺̤̻͙̗̥̠̱͇̱̝̟̺͍̺̼̜̖͈͇͎͙̲̙̗͇̫̘̖̹͖͓͔̺̱̹͓̮͇̯̜̤̗͍̯̰̫̫̖̰͚̪͚̭͚̥̰̤̟͎̝̲̯̭̹̭̙̼̤͖̞̙̹͈͚̥̦͚͉͖̼̬͓͚̳͉͙͎͚̱̮̗͍̩̻̰̣̫͉͈̞̲͉̫̞͔͆̅̓̓̇ͬ͌ͬͫͩͦ̃͌̿̐ͪͩ̌̇͂̆̑͐ͣ҉̶̲͉͔͎̤̼̘͇̮̥̻̜̹̥͚̲̻̖̗̻̫̼̠̳̗̺̤̗̳͈̪̮̗̝͇͈̙͇͕̺̱̼̤̗̰̬̣͌ͬͧ͊́ͧͩ͌͌̐̓̃ͥ̄ͤ͑̈ͬ͆ͬ͂̇̿̅҉̨̙̼̳̭̙͍̻̱̠͈̮̺̣̝̱̙̺͉̳͎̻͔̯̪̝͕͚̣̜̼̞͇̠̘̠̪̫͙͙̬̰̰̫͚̗͕̝̤̗͕̲̮̝̼̺͙͚̟͓̣̥͍͙̘̩̖͇͎̬̠̝͈̺̙̮̬̗̪̤͕͇͕̰̮͖͉̬̙̪̤̝̹͖͖̻̬̹͙̞̗͓̞̭̜̠̟̐͋͊͑̌̾̉͆̆̍̿̾ͤ̔̉̈̂̾̈ͭ'
  , len = chars.length
  , str = 'foo and bar'
  , result = '';

str.split('').forEach(function char(chr) {
  for (var i = 0; i < 20; i++) {
    var r = Math.floor(Math.random() * len);
    chr += chars.charAt(r);
  }
  result += chr;
});

console.log(result);

result.txt

f̬͈̯̬͔̤̘̟́̿҉͕͇͙̠̯̠͖͉ͩo̪̩̠͇̙͍͇̙̰͇̞̭̲̥̞̻̱ͧ̓̇o̹̩͍̗҉̯̰̱̘̲͈̤̤̲̬̗̠̱͌͌ ͚̺̤͇͖̳͈̤̳̤͈̳̤͔̣ͩ̇͌̈͌a̛͉̮͍̙͚̪̠̭͎̬̮̰͚͌ͧ̍ͬ̿̿n͚̗̺̺̟̣̹͚̳̹͓̦̝̗̬̜̠͓̿̇ḏ̖͚̱͕̫͓̬̪̬͈̝̲͉̤̟̾̈͋ͩ ̤̬̰̞͉̺̗̮͇̝̙͇͔̾̓ͬͣͧͫ̐b̮̲̠͔̙͈̼̘̗̱̤̰͉̤̘̍̉͌̐ͦa̫͉̤̼͙̠͕͈̮͎͕̱͙͑̃ͤ͋ͬ͑̅r͖̙͈̺̱̗̹̞̱͉̬͈̣̼̗̣̳̪̐ͫ