{"aliases":["default-3.3","default-3.4","default-3.5","default-3.6","default","caniuse:visib","caniuse:pagevisibility","modernizr:pagevisibility","PageVisibility"],"dependencies":["CustomEvent"],"docs":"https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API","spec":"http://www.w3.org/TR/page-visibility/","notes":["The alias `PageVisibility` works for this feature for backwards compatibility with the name under which it was previously (erroneously) available"],"browsers":{"android":"<4.4.3","chrome":"<33","firefox":"<18","firefox_mob":"<18","opera":"<20","op_mob":"<20","safari":"<7.0","ios_saf":"<7.0","samsung_mob":"<2.0"},"detectSource":"\"document\"in self&&\"hidden\"in document&&\"visibilityState\"in document\n","baseDir":"document/visibilityState","hasTests":true,"isTestable":true,"isPublic":true,"size":338}