site.js

(function( site, undefined ) {

    timeout = 400;

    // I gotta take antacid,
    // so I can keep on partyyyyyiiiiinnnggg.
    // https://www.youtube.com/watch?v=L_wdRy7x4Sc
    site.partypartyparty = function(e) {
  var partyers = document.getElementsByClassName('party');
  for(var i=0; i<partyers.length; i++) {
            var r = Math.floor(Math.random()*255);
            var g = Math.floor(Math.random()*255);
            var b = Math.floor(Math.random()*255);
            var e = partyers[i];
      e.style.setProperty('color', 'rgb('+ r +','+ g +',' + b + ')');

      if (Math.random()*100 > 99) {
    e.innerText = 'PARTY! PARTY! PARTY!';
      }

      this.timeout = Math.max(this.timeout * 0.9, 50);
  }

        window.setTimeout(site.partypartyparty, this.timeout);
    };

}( window.site = window.site || {} ));

site.partypartyparty();