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Comment by pcl | Hacker News Reader

Doesn't load for me in Safari, but works in Chrome. From the JS console:

    ReferenceError: Can't find variable: IntersectionObserver

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That's just Apple not implementing modern web standards. Just wait a couple months or years and they might implement the IntersectionObserver. Until then you'll have to use polyfills to support Safari which Google obviously didn't do here.

Or travel back in time a month. It was added in Safari 12.1.

https://webkit.org/blog/8718/new-webkit-features-in-safari-1...

Wow, just two years after Chrome, Firefox, Opera and even Edge added it!

https://caniuse.com/#feat=intersectionobserver

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