onHide

param action- The function that is run what the tab is hidden.

// spooky ghost
let ghosty = add([
    pos(center()),
    sprite("ghosty"),
    anchor("center"),
]);

// when switching tabs, this runs
onHide(() => {
    destroy(ghosty);
    add([
        text("There was never aa ghosttttt"),
        pos(center()),
        anchor("center")
    ]);
});

returns The event controller.

since v3001.0

group Events