$start(). This will display the window and start the main loop of the application:
$exit()method. This will stop the main loop of the application. Typically, this is done in response to the close event:
$exit()automatically closes all open windows and destroys all root Vue components associated with them.
$mount()without any parameters:
$start()method automatically calls
$mount()if it hasn't been called. However, if you need to display more than one window, you should use
$mount()to display them.
$destroy()on the root Vue component corresponding to that window:
$rootproperty which is part of the Vue.js API.