example[spec] Modify the title of a MobileCoordinator

" self is a MobileThreadAction instance "

| jsObject js coordinatorSpec spec coordinatorConf |
jsObject := self basicAt: #spec.
js := JS @ jsObject.
coordinatorSpec := js @ #coordinator.
coordinatorConf := JS @ coordinatorSpec @ #configuration.

" change the property "
JS @ coordinatorConf handleAt: #title put: #newTitle.

" update rendered UI "
self update.