https://bugzilla.wikimedia.org/show_bug.cgi?id=65566
--- Comment #3 from Ori Livneh <o...@wikimedia.org> ---
Something like this would work too, by making activation conditional on the key
not being present *and* on it being set successfully:
function shouldShow() {
try {
if ( localStorage.getItem( ctaFlagKey ) === null ) {
localStorage.setItem( ctaFlagKey, 'true' );
return localStorage.getItem( ctaFlagKey ) !== null;
}
} catch (e) {}
return false;
}
This approach wouldn't work with $.jStorage, because it caches any stored value
in an in-memory object, so the call $.jStorage.get will always succeed even
when the value fails to persist.
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