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Keep Scrambling

scrambles all the text on a page on a 1 second interval

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Keep Scrambling
// @namespace    https://greasyfork.org/en/scripts/22128-keep-scrambling
// @version      1.0
// @description  scrambles all the text on a page on a 1 second interval
// @author       abbott
// @match        *://*/*
// ==/UserScript==

window.onload = function() {
   var elements = document.body.getElementsByTagName('*');

   setInterval(function() {
    for (var i = 0; i < elements.length; i++) {
      var text = '';
      elements[i].innerHTML.split(/(<.+?>)/).forEach(function(s) {
        text += s.charAt(0) === '<' ? s : scramble(s);
      });

      elements[i].innerHTML = text;
    }
  }, 1000);
};

function scramble(s) { // scrambles middle letters 
  if (s.includes('&nbsp;')) { // ignores nbsp messes up the scramble a bunch
    return s;
  }

  return s.split(' ').map(function(word) {
    if (word.length > 3) {
      var chars = word.split('');

      for (var i = 1; i < chars.length - 1; i++) {
        var j = Math.floor(Math.random() * (i - 1) + 1);
        var temp = chars[i];
        chars[i] = chars[j];
        chars[j] = temp;
      }

      return chars.join('');
    }

    return word;
  }).join(' ');
}