function doGet() {
var app = UiApp.createApplication();
var button = app.createButton('Click Me');
app.add(button);
var label = app.createLabel('The button was clicked.')
.setId('statusLabel')
.setVisible(false);
app.add(label);
var handler = app.createServerHandler('myClickHandler');
handler.addCallbackElement(label);
button.addClickHandler(handler);
return app;
}
function myClickHandler(e) {
var app = UiApp.getActiveApplication();
var label = app.getElementById('statusLabel');
label.setVisible(true);
app.close();
return app;
}
Live demo:
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