Speed Up Scroll Events with Passive Event Listeners | DigitalOcean

Okay, let me get this out of the way real quick. I hate websites that attach wheel (or touchstart and touchmove) events to a page. Utterly hate them. The main reason is the horrid resulting performance, especially on mobile. You see, the browser has to wait to redraw the page until the event listener finishes execution, as the event is able to be canceled. If your event runs on every single scroll

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passiveイベントを使ってのスクロール改善