{"type":"rich","url":"https://un-fantasma.hatenadiary.org/entry/20090504/1241441388","published":"2009-05-04 21:49:48","author_name":"un_fantasma","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_url":"https://un-fantasma.hatenadiary.org/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fun-fantasma.hatenadiary.org%2Fentry%2F20090504%2F1241441388\" title=\"\u95a2\u6570\u3092\u30cd\u30b9\u30c8\u3059\u308b - \u5e7d\u970a\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u4e00\u304b\u3089\u52c9\u5f37\u3059\u308b\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>","description":"javascript\u3067\u306f\u95a2\u6570\u306e\u51e6\u7406\u306e\u4e2d\u306b\u95a2\u6570\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u3002 //\u5186\u9310\u306e\u4f53\u7a4d\u3092\u6c42\u3081\u308b\u95a2\u6570 function calcCone(radius,height){ var dimension = calcCircle(radius); //\u5e95\u9762\u306e\u9762\u7a4d\u3092\u6c42\u3081\u308b\u95a2\u6570 function calcCircle(r){ var circle = r*r*Math.PI; return circle; } return dimension * height /3; } alert(calcCone(10,10)); \u3053\u3093\u306a\u611f\u3058\u3067\u3002 \u95a2\u6570\u5185\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u95a2\u6570\u306f\u3001\u95a2\u6570\u5185\u3067\u306e\u51e6\u7406\u304b\u3089\u306e\u307f\u547c\u3073\u51fa\u305b\u308b\u3002","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","javascript"],"author_url":"https://blog.hatena.ne.jp/un_fantasma/","version":"1.0","blog_title":"\u5e7d\u970a\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u4e00\u304b\u3089\u52c9\u5f37\u3059\u308b\u30d6\u30ed\u30b0","height":"190","image_url":null,"title":"\u95a2\u6570\u3092\u30cd\u30b9\u30c8\u3059\u308b"}