{"url":"https://chamotaro.hatenablog.com/entry/tech/browser-scroll-offscreen-check","width":"100%","type":"rich","blog_url":"https://chamotaro.hatenablog.com/","published":"2026-10-07 00:32:36","blog_title":"chamotarooo\u306e\u30d6\u30ed\u30b0","author_name":"chamotarooo","height":"190","version":"1.0","description":"\u306f\u3058\u3081\u306b \u300eWeb\u30d6\u30e9\u30a6\u30b6\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u300f\u306e2\u7ae0\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3092\u4ed8\u3051\u305f\u30021 \u4e0b\u77e2\u5370\u30ad\u30fc\u3092\u62bc\u3059\u305f\u3073\u306b\u30da\u30fc\u30b8\u304c\u4e0a\u3078\u305a\u308c\u3066\u3001\u4e0b\u306e\u884c\u304c\u898b\u3048\u3066\u304f\u308b\u3002 \u753b\u9762\u306f1\u79d2\u306b60\u56de\u63cf\u304d\u76f4\u3055\u308c\u308b\u306e\u3067\u3001\u63cf\u304d\u76f4\u30571\u56de\u306f16\u30df\u30ea\u79d2\u306b\u53ce\u3081\u305f\u3044\u30022 \u3068\u3053\u308d\u304c\u3001\u898b\u3048\u306a\u3044\u6587\u5b57\u3082\u542b\u3081\u3066\u6bce\u56de\u3059\u3079\u3066\u3092\u63cf\u3044\u3066\u3044\u3066\u3001\u7b46\u8005\u306e Mac \u3067\u306f1\u56de\u306b127\u30df\u30ea\u79d2\u304b\u304b\u3063\u3066\u3044\u305f\u3002 \u305d\u3053\u3067\u672c\u306f\u3001\u753b\u9762\u306e\u5916\u306b\u3042\u308b\u6587\u5b57\u3092\u63cf\u304b\u305a\u306b\u98db\u3070\u3059\u3001\u6b21\u306e2\u884c\u3092\u8db3\u3059\u30022 if y > self.scroll + HEIGHT: continue if y + VSTEP < self.scroll: continue \u30b3\u30fc\u30c9\u306f\u77ed\u3044\u3002 \u3057\u304b\u3057\u3001\u3069\u3061\u3089\u306e\u884c\u304c\u4e0a\u306e\u8a71\u3067\u3069\u2026","image_url":null,"provider_url":"https://hatena.blog","title":"\u81ea\u4f5c\u30d6\u30e9\u30a6\u30b6\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u3001\u753b\u9762\u306e\u5916\u306e\u6587\u5b57\u3092\u63cf\u304b\u306a\u3044\u6761\u4ef6\u3092\u56f3\u3067\u8aad\u3080","categories":["\u6280\u8853"],"author_url":"https://blog.hatena.ne.jp/chamotarooo/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchamotaro.hatenablog.com%2Fentry%2Ftech%2Fbrowser-scroll-offscreen-check\" title=\"\u81ea\u4f5c\u30d6\u30e9\u30a6\u30b6\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u3001\u753b\u9762\u306e\u5916\u306e\u6587\u5b57\u3092\u63cf\u304b\u306a\u3044\u6761\u4ef6\u3092\u56f3\u3067\u8aad\u3080 - chamotarooo\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog"}