Replace all characters in text nodes that are not spaces and then "shake" the body

replace-and-shake.js

(function(undefined) {
  var 
  deviateMin = 1,
  deviateMax = 10,
  marginSeed = 20,
  paddingSeed = 20,
  madnessInterval = 20,
  findRegex = new RegExp(/[^ ]/g),
  replaceText = "CONNOR ",
  random = function(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
  },
  deviate = function(num, dmin, dmax) {
    var d_min = dmin || deviateMin,
        d_max = dmax || deviateMax;
    return (((random(1, 2) === 1) ? 1 : -1) * random(d_min, d_max)) + num;
  },
  madness = function() {
    document.body.style.backgroundPosition = deviate(10, 1, 10) + "px " + deviate(10, 1, 10) + "px";
    document.body.style['-webkit-transform'] = "rotate("+deviate(1, 1, 3)+"deg)";
    document.body.style.margin = deviate(marginSeed) + 'px ' + deviate(marginSeed) + 'px ' + deviate(marginSeed) + 'px ' + deviate(marginSeed) + 'px';
    document.body.style.padding = deviate(paddingSeed) + 'px ' + deviate(paddingSeed) + 'px ' + deviate(paddingSeed) + 'px ' + deviate(paddingSeed) + 'px';
  },
  walk = function(node, callback) {
    var skip, tmp, depth = 0;
    do {
      if ( !skip ) {
        skip = callback.call(node, depth) === false;
      }
      if ( !skip && (tmp = node.firstChild) ) {
        depth++;
      } else if ( tmp = node.nextSibling ) {
        skip = false;
      } else {
        tmp = node.parentNode;
        depth--;
        skip = true;
      }
      node = tmp;
    } while ( depth > 0 );
  },
  walkCb = function() {
    if (this.nodeType == 3) {
      this.nodeValue = this.nodeValue.replace(findRegex, replaceText);
    }
  };
  
  walk(document.documentElement, walkCb);
  setInterval(madness, madnessInterval);
})();