seihmdのブックマーク - はてなブックマーク

IntersectionObserver in WebKit
Web authors often need to know when a particular element on a page becomes visible. The element could be an ad or a video whose viewability we want to compute. Or we might want to defer loading an image until it is visible. A common way to solve this probl em is using polling, periodically computing the position of an element with respect to the viewport. However, polling is inefficient, wastes bat
seihmd 2019/02/16
IntersectionObserver知らなかったけどめっちゃ便利そう
リンク
Concurrent JavaScript: It can work!
With the recent addition of SharedArrayBuffer, concurrency is finding its way into the JavaScript language. This addition allows JavaScript programs to perform concurrent access to SharedArrayBuffer objects. WebKit supports SharedArrayBuffer and it has full optimization support in our compiler pipeline. Unfortunately, JavaScript does not allow any objects other than SharedArrayBuffer to be shared.
seihmd 2017/08/31
あとで読む
リンク
1

はてなブックマーク