UserScript to replace all images with kittens!

kittens.js

// ==UserScript==
// @name         Kittens Everywhere!
// @namespace    https://holyokecodes.org/
// @version      0.1
// @description  Kittens try to take over the world!
// @author       Andrew Pasquale
// @match        */*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    // get all images
    var imgs = document.getElementsByTagName("img");

    // loop through images
    for(var i=0; i<imgs.length; i++) {
        // change image source
        imgs[i].src='http://cdn3-www.cattime.com/assets/uploads/2011/08/best-kitten-names-1.jpg';
    }
})();