javafx-hello.js

// 檔案要用 UTF-8編碼
var Button = javafx.scene.control.Button;
var StackPane = javafx.scene.layout.StackPane;
var Scene = javafx.scene.Scene;

function start(primaryStage) {
    primaryStage.title = "這是標題";
    var button = new Button();
    button.text = "點我";
    button.onAction = function() {
        print("Hello World!");
    }
    
    var root = new StackPane();
    root.children.add(button);
    primaryStage.scene = new Scene(root, 300, 250);
    primaryStage.show();
}