Intersection Observer comes to Firefox – Mozilla Hacks - the Web developer blog
What do infinite scrolling, lazy loading, and online advertisements all have in common? They need to know about—and react to—the visibility of elements on a page! Unfortunately, knowing whether or not an element is visible has traditionally been difficult on the Web. Most solutions listen for scroll and resize events, then use DOM APIs like getBoundingClientRect() to manually calculate where eleme
精度をä¿ã£ã¦SVGã‚’1ãƒã‚¤ãƒˆã§ã‚‚å°ã•ãã™ã‚‹ - Qiita
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15 Tools Java Developers Should Use After a Major Release - DZone
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