text: var page = tabris.create("Page", {
    title: "Check Boxes",
    topLevel: true
  });
  
  tabris.create("CheckBox", {
    layoutData: {left: 10, top: 10},
    selection: true,
    text: "selected"
  }).on("change:selection", function(checkBox, selection) {
    this.set("text", selection ? "selected" : "deselected");
  }).appendTo(page);
  
  page.open();
  