Your link states it's not supported in iOS Safari at all, even though it has been supported in macOS Safari since 2013.
Ha! You're right. Ironically, I was viewing it on my phone and I only saw the "Safari" column and not "Safari on iOS".
alt Hacker News
Ha! You're right. Ironically, I was viewing it on my phone and I only saw the "Safari" column and not "Safari on iOS".