2018-10-31 UTC
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@sl007 ↩️ If you would have asked I would probably have answered ;)) https://stackoverflow.com/questions/47617248/js-track-a-moment-when-container-has-no-child-elements/47617340#47617340
It is super useful and the other Observer patterns too, e.g.:
https://www.sitepen.com/blog/2017/09/05/observing-intersection-observers/
https://www.sitepen.com/blog/2018/06/04/exploring-the-resize-observer-proposal/
Are you at IWC BER ? And btw: https://indieweb.org/2019/Vlissingen (!) (twitter.com/_/status/1057589393190518785)