A simple Javascript code to create a browser in JavaFX for a given URL. Invoke this with: $ jjs -fx browser.js -- http://someaddress.com

browser.js

var WebView   = javafx.scene.web.WebView;
var StackPane = javafx.scene.layout.StackPane;
var Scene     = javafx.scene.Scene;
var url = arguments.join('');
function start(stage) {
    var browser = new WebView();
    var engine = browser.getEngine();
    engine.load(url);
    var root = new StackPane();
    root.children.add(browser);
    stage.scene = new Scene(root, 1080, 800);
    stage.title = "FX Browser";
    stage.show();
}