isVisible()

checks whether a ToggleGroup control or a specific element inside the control is visible

isVisible(id?: string): boolean;

Parameters:

• id: string - optional, the id of a specific element inside the ToggleGroup control

Returns:

true, if a control or a specific element is visible; otherwise, false

Example

form.getItem("ToggleGroup").isVisible("toggle_1"); // -> true/false