Translation google

// ==UserScript==
// @name         Translation
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        */*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

function textNodesUnder(el){
  var n, a=[], walk=document.createTreeWalker(el,NodeFilter.SHOW_TEXT,null,false);
  while(n=walk.nextNode()) {
      var newNode = document.createElement("p");
      newNode.setAttribute("class","notranslate");
      newNode.textContent = n.textContent;
      n.parentNode.insertBefore(newNode, n);
      //a.push(n);
  }
  //return (a);
}

  var body = document.getElementsByTagName('body')[0];
  textNodesUnder(body);
})();