userscript-skygo.js

// ==UserScript==
// @name         New ES6-Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  shows how to use babel compiler
// @author       You
// @require      https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.6.15/browser-polyfill.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.6.15/browser.min.js
// @match        http://*/*
// ==/UserScript==

/* jshint ignore:start */
var inline_src = (<><![CDATA[
/* jshint ignore:end */
/* jshint esnext: true */

function poll() {
    let films = document.getElementsByClassName("film");
    for (let film of films) {
        let h2Element= film.getElementsByTagName("h2")[0];
        let anchorElement = h2Element.getElementsByTagName("a")[0];
        if (anchorElement.getAttribute("vote_obtained") == 1) {
            continue;
        }
        
        let title = anchorElement.getAttribute("title");

        let ajax = new XMLHttpRequest();
        ajax.addEventListener("load", function() {
            let data = JSON.parse(this.responseText);
            let filmData = data.results ? data.results[0] : null;
            if (filmData) {
                anchorElement.innerHTML = "("+filmData.vote_average+") " + anchorElement.innerHTML;
                anchorElement.setAttribute("vote_obtained", "1");
            }
        });
        ajax.open("GET", 'http://api.themoviedb.org/3/search/movie?api_key=edfc3215a4d2762d3f4df32bf53595e4&query='+encodeURIComponent(title));
        ajax.send();
    }
}

setInterval(poll, 4000);

/* jshint ignore:start */
]]></>).toString();
var c = babel.transform(inline_src);
eval(c.code);
/* jshint ignore:end */