Add visibilitychange event; Safari support partial #6763
Merged
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This patch in this PR adds data for the
visibilitychange
event — basically just by copying over the existing data for theonvisibilitychange
event handler, but with Safari support marked as partial (due the fact that Safari apparently doesn’t fire the event as expected whenvisibilityState
transitions tohidden
).The patch in this PR also includes a change which marks Safari support for the
onvisibilitychange
event handler anddocument.visibilityState
property as partial (for the same reason described above).See also: https://bugs.webkit.org/show_bug.cgi?id=151234 (+ related bugs)
Marginally related: https://github.com/mdn/sprints/issues/3722