Inject remote Javascript file into currently loaded page via browser's location bar

injector.js

javascript: javascript: (function() {
    var s = 'https://nytimes.github.io/svg-crowbar/svg-crowbar.js';
    var e = document.createElement('script');
    e.setAttribute('src', s);
    e.setAttribute('class', 'svg-crowbar');
    document.body.appendChild(e);
})();