はてなブックマーク - ResizeObserver: it's like document.onresize for elements  |  Articles  |  web.dev https://b.hatena.ne.jp/entry/s/web.dev/articles/resize-observer Before ResizeObserver, you had to attach a listener to the document's resize event to get notified of any change of the viewport's dimensions. In the event handler, you would then have to figure ou... milk1000cc https://b.hatena.ne.jp/milk1000cc/20220307#bookmark-4716382152655853538 2022-03-07T01:55:47Z javascript ottonove https://b.hatena.ne.jp/ottonove/20181217#bookmark-303992799 2018-12-17T04:49:01Z Jxck https://b.hatena.ne.jp/Jxck/20171213#bookmark-303992799 2017-12-13T02:23:36Z resize observer ggkuron https://b.hatena.ne.jp/ggkuron/20171109#bookmark-303992799 2017-11-09T11:12:56Z grapswiz https://b.hatena.ne.jp/grapswiz/20161013#bookmark-303992799 2016-10-13T06:10:05Z chrome koba04 https://b.hatena.ne.jp/koba04/20161013#bookmark-303992799 2016-10-13T06:07:58Z web chrome dom yosuke_furukawa https://b.hatena.ne.jp/yosuke_furukawa/20161012#bookmark-303992799 Resize Observerのスペックあるのかー 2016-10-11T17:32:10Z