{"id":3158,"date":"2017-06-06T10:00:12","date_gmt":"2017-06-06T01:00:12","guid":{"rendered":"https:\/\/www.sria.co.jp\/blog\/?p=3158"},"modified":"2017-06-05T14:23:26","modified_gmt":"2017-06-05T05:23:26","slug":"javascript-if","status":"publish","type":"post","link":"https:\/\/www.sria.co.jp\/blog\/2017\/06\/javascript-if\/","title":{"rendered":"\u7b2c4\u56de\u3000\u30a8\u30c7\u30a3\u30bf\u30fc\u304c\u5b66\u3076\u521d\u3081\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff08JavaScript\u7de8 if\u301celse\u69cb\u6587\u3068\u306f\uff09"},"content":{"rendered":"

\u65e9\u304f\u30824\u56de\u76ee\u3001\u30a8\u30c7\u30a3\u30bf\u30fc\u304c\u5b66\u3076\u521d\u3081\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff01\uff01SRIA\u306e\u30a8\u30c7\u30a3\u30bf\u30fc\u82e5\u6801\u304c\u304a\u9001\u308a\u3057\u307e\u3059\u3002
\n\u3053\u3053\u304b\u3089\u4f55\u56de\u304b\u3067\u3001\u7b2c2\u56de\u3067\u4f5c\u3063\u305f\u30b9\u30ed\u30c3\u30c8\u30b2\u30fc\u30e0<\/a>\u306e\u4e0d\u5177\u5408\u3092\u6539\u4fee\u3057\u305f\u308a\u3001\u5225\u306e\u65b9\u6cd5\u3067\u4f5c\u308a\u76f4\u3057\u305f\u308a\u3057\u3066\u3001JavaScript\u306b\u3055\u3089\u306b\u6163\u308c\u3066\u3044\u304d\u307e\u3059\uff01<\/p>\n

\u4eca\u56de\u306e\u8ab2\u984c<\/h2>\n

\u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u524d\u306b\u30b9\u30c8\u30c3\u30d7\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3082\u3001\u3042\u305f\u308a\u753b\u9762\u304c\u958b\u304f\u52d5\u4f5c\u3092\u76f4\u3057\u305f\u3044\u3002<\/p>\n

\u73fe\u72b6<\/h3>\n

\u30b9\u30ed\u30c3\u30c8\u30b2\u30fc\u30e0\u3067\u30e9\u30f3\u30c0\u30e0\u306b\u753b\u50cf\u3092\u8868\u793a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3057\u305f\u3002
\n\uff08\u8a73\u7d30\u306f\u300c\u7b2c2\u56de\u3000\u30a8\u30c7\u30a3\u30bf\u30fc\u304c\u5b66\u3076\u521d\u3081\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff08JavaScript\u7de8\uff09<\/a>\u300d\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n

 var timerID, picture1, picture2, picture3;\r\n\r\nfunction start_slot() {\r\n  picture1 = Math.floor(Math.random() * 3 + 1);\r\n  picture2 = Math.floor(Math.random() * 3 + 1);\r\n  picture3 = Math.floor(Math.random() * 3 + 1);\r\n\r\n  document.getElementById('slot1').src = \"img\/\" + picture1 + \".png\";\r\n  document.getElementById('slot2').src = \"img\/\" + picture2 + \".png\";\r\n  document.getElementById('slot3').src = \"img\/\" + picture3 + \".png\";\r\n\r\n  timerID = setTimeout(start_slot, 80);\r\n}\r\n\r\nfunction stop_slot() {\r\n    clearTimeout(timerID);\r\n    if (picture1 === picture2 && picture2 === picture3) {\r\n      window.open(\"ooatari.html\")\r\n    }\r\n  }\r\n}\r\n<\/pre>\n
\u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u524d\u306b\u30b9\u30c8\u30c3\u30d7\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u5834\u5408\u3001picture1\u301c3\u306e\u4e2d\u306b\u306f\u3001\u4f55\u306e\u6570\u5024\u3082\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u305d\u308c\u3067\u3082\u3001\u4f55\u306e\u6570\u5024\u3082\u5165\u3063\u3066\u3044\u306a\u3044\u72b6\u614b\u304c3\u3064\u63c3\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3042\u305f\u308a\u753b\u9762\u304c\u51fa\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u3069\u3046\u3057\u305f\u3044\u304b<\/h3>\n
\u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u5f8c\u306b\u3060\u3051\u3001\u30b9\u30c8\u30c3\u30d7\u30dc\u30bf\u30f3\u306e\u51e6\u7406\u304c\u6709\u52b9\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3002<\/p>\n
    \n
  • \u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u524d\u306f\u3001picture1\u301c3\u306e\u4e2d\u306f\u4f55\u3082\u306a\u3044\u3002\u3064\u307e\u308a\u3001undefined\u306e\u72b6\u614b\u3002<\/li>\n
  • \u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3001picture1\u301c3\u306b\u4ee3\u5165\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n
    \u3082\u3057\u3001picture1\u301c3\u306e\u4e2d\u304cundefined\u3067\u306f\u306a\u304f\u6570\u5024\u304c\u5165\u3063\u3066\u3044\u305f\u3089\u3001\u30b9\u30c8\u30c3\u30d7\u30dc\u30bf\u30f3\u306e\u51e6\u7406\u3092\u3057\u3066\u306d\u3001\u3068\u6761\u4ef6\u3065\u3051\u3092\u3059\u308c\u3070\u3001\u5e0c\u671b\u306e\u52d5\u4f5c\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n
    \u89e3\u6c7a\u7b56<\/h3>\n
    if\u301celse\u69cb\u6587\u3092\u4f7f\u3063\u3066\u3001\u6761\u4ef6\u3054\u3068\u306e\u51e6\u7406\u3092\u5206\u3051\u308b\u3002<\/p>\n
    if\u301celse\u69cb\u6587\u3068\u306f\uff1f<\/h3>\n
    \u3082\u3057\u25ef\u25ef\u304c\u25b3\u25b3\u306a\u3089\u25a1\u25a1\u25a1\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u2716\ufe0f\u2716\ufe0f\u2716\ufe0f\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u306b\u5408\u3063\u3066\u3044\u305f\u3089\u51e6\u7406\u3092\u3059\u308b\u3001\u305d\u3053\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3051\u308c\u3070\u3001\u6b21\u306e\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u308b\u304b\u898b\u3066\u3044\u304f\u30fb\u30fb\u30fb\u3068\u3044\u3046\u3001\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u9032\u3080\u65b9\u5411\u304c\u308f\u304b\u308c\u3066\u3044\u304f\uff08\uff1d\u5206\u5c90\u3059\u308b\uff09\u69cb\u6587\u3067\u3059\u3002
    \n\u305f\u3068\u3048\u3070\u3001\u30b2\u30fc\u30e0\u3084\u30c6\u30b9\u30c8\u306e\u70b9\u6570\u3067\u30e9\u30f3\u30af\u3092\u5206\u3051\u308b\u6642\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f55\u6bb5\u968e\u304b\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n
      \n
    • 90\u70b9\u4ee5\u4e0a\uff1a\u30e9\u30f3\u30afS<\/li>\n
    • 80\u301c89\u70b9\uff1a\u30e9\u30f3\u30afA<\/li>\n
    • 65\u301c79\u70b9\uff1a\u30e9\u30f3\u30afB<\/li>\n
    • \u305d\u308c\u4ee5\u4e0b\uff1a\u4e0d\u5408\u683c<\/li>\n<\/ul>\n
      \u5224\u5b9a\u3059\u308b\u6570\u5024\u304c\u300170\u70b9\u3060\u3063\u305f\u5834\u5408\u306f\u30e9\u30f3\u30afB\u3067\u3059\u304c\u3001JavaScript\u3067\u66f8\u304f\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
      var score = 70;\r\n\r\nif (score >= 90) {\r\n  document.write(\"\u30e9\u30f3\u30afS\u3067\u3059\");\r\n} else if (score >= 80) {\r\n  document.write(\"\u30e9\u30f3\u30afA\u3067\u3059\");\r\n} else if (score >= 65) {\r\n  document.write(\"\u30e9\u30f3\u30afB\u3067\u3059\");\r\n} else {\r\n  document.write(\"\u4e0d\u5408\u683c\");\r\n}<\/pre>\n
      \u30b9\u30ed\u30c3\u30c8\u30b2\u30fc\u30e0\u3067if\u301celse\u6587\u3092\u4f7f\u3046\u305f\u3081\u306b\u3001\u81ea\u5206\u304c\u6700\u521d\u306b\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u306b2\u7b87\u6240\u306b\u624b\u3092\u52a0\u3048\u307e\u3057\u305f\u3002<\/p>\n
        \n
      • 1\u884c\u76ee\uff1apicture1\u301c3\u306f\u3001\u3053\u306e\u6642\u70b9\u3067\u306fnull\u3067\u3059\u3001\u3068\u5ba3\u8a00\u3059\u308b\u3002<\/li>\n
      • 16\u884c\u76ee\uff1apicture1\u304cnull\u3067\u306f\u306a\u304b\u3063\u305f\u3089\u3001\u3068\u3044\u3046\u6761\u4ef6\u6587\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<\/ul>\n
        \u5909\u66f4\u524d\uff081\u884c\u76ee\uff09<\/p>\n
        var timerID, picture1, picture2, picture3;<\/pre>\n
        \u5909\u66f4\u5f8c\uff081\u884c\u76ee\uff09<\/p>\n
        var timerID;\r\nvar picture1 = null;\r\nvar picture2 = null;\r\nvar picture3 = null;<\/pre>\n
        \u5f53\u521d\u306f1\u884c\u3067\u5ba3\u8a00\u7b87\u6240\u3092\u66f8\u3044\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u4fee\u6b63\u3084\u898b\u305f\u76ee\u306e\u308f\u304b\u308a\u3084\u3059\u3055\u3092\u8003\u616e\u3057\u30661\u884c\u305a\u3064\u306b\u5206\u89e3\u3057\u307e\u3057\u305f\u3002<\/p>\n
        \u8ffd\u52a0\uff0816\u884c\u76ee\uff09<\/p>\n
        \r\nif (picture1 !== null) {\r\n  \/\/\u51e6\u7406\u5185\u5bb9\u306f\u7701\u7565\r\n}<\/pre>\n
        \u3053\u308c\u3067\u3001\u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u524d\u306e\u72b6\u614b\u3001\u3064\u307e\u308apicture1\u301c3\u304cnull\u3060\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u3042\u305f\u308a\u5224\u5b9a\u306e\u51e6\u7406\u304c\u5165\u3089\u306a\u3044\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002
        \n\u5909\u66f4\u30fb\u8ffd\u52a0\u3092\u53cd\u6620\u3057\u305f\u3001\u4eca\u56de\u306e\u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089\u3067\u3059\u3002<\/p>\n
        var timerID;\r\nvar picture1 = null;\r\nvar picture2 = null;\r\nvar picture3 = null;\r\n\r\nfunction start_slot() {\r\n  picture1 = Math.floor(Math.random() * 3 + 1);\r\n  picture2 = Math.floor(Math.random() * 3 + 1);\r\n  picture3 = Math.floor(Math.random() * 3 + 1);\r\n\r\n  document.getElementById('slot1').src = \"img\/\" + picture1 + \".png\";\r\n  document.getElementById('slot2').src = \"img\/\" + picture2 + \".png\";\r\n  document.getElementById('slot3').src = \"img\/\" + picture3 + \".png\";\r\n\r\n  timerID = setTimeout(start_slot, 80);\r\n}\r\n\r\n\r\nfunction stop_slot() {\r\n  if (picture1 !== null) {\r\n    clearTimeout(timerID);\r\n    if (picture1 === picture2 && picture2 === picture3) {\r\n      window.open(\"ooatari.html\")\r\n    }\r\n  }\r\n}<\/pre>\n
        \u672c\u6765if\u69cb\u6587\u306f\u3001”\u3082\u3057\uff08if\uff09\u25cf\u25cf\u306a\u3089\u25b3\u25b3\uff08\u4f55\u3089\u304b\u306e\u51e6\u7406\uff09\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\uff08else)\u25a1\u25a1\uff08\u4f55\u3089\u304b\u306e\u51e6\u7406\uff09”\u3068\u3001else\u6587\u3082\u4e00\u7dd2\u306b\u66f8\u304f\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306f”\u6761\u4ef6\u306b\u5408\u308f\u306a\u3051\u308c\u3070\u4f55\u3082\u3057\u306a\u3044”\u306a\u306e\u3067\u3001else\u6587\u4ee5\u4e0b\u306f\u7701\u7565\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
        \u3053\u308c\u3067\u3001\u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u524d\u306b\u30b9\u30c8\u30c3\u30d7\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3082\u3001\u4f55\u3082\u8d77\u3053\u3089\u306a\u3044\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3067\u304d\u305f\u30fc\uff01
        \n\u4ee5\u4e0a\u3001if\u301celse\u69cb\u6587\u306b\u3064\u3044\u3066\u304a\u9001\u308a\u3057\u307e\u3057\u305f\u3002<\/p>\n
        \u304c\u3001\u4eca\u56de\u306e\u76ee\u7684\u306f\u9054\u6210\u3055\u308c\u305f\u3082\u306e\u306e\u3001\u5b9f\u306f\u307e\u3060\u4e0d\u5177\u5408\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n
          \n
        • \u3042\u305f\u308a\u304c\u51fa\u305f\u753b\u9762\u3067\u30b9\u30c8\u30c3\u30d7\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u3001\u3042\u305f\u308a\u5224\u5b9a\u304c\u51fa\u3066\u3057\u307e\u3046\u3002<\/li>\n
        • \u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u6570\u3060\u3051\u3001\u7d75\u67c4\u306e\u5207\u308a\u66ff\u308f\u308a\u304c\u65e9\u304f\u306a\u308b\u3002<\/li>\n<\/ul>\n
          \u7d75\u67c4\u306e\u52d5\u304b\u3057\u65b9\u3084\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u3092\u3001\u6839\u672c\u7684\u306b\u898b\u76f4\u3055\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3088\u3046\u3067\u3059\u3002
          \n\u6b21\u56de\u306f\u3001\u3053\u306e\u90e8\u5206\u306e\u6539\u4fee\u3092\u9032\u3081\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u65e9\u304f\u30824\u56de\u76ee\u3001\u30a8\u30c7\u30a3\u30bf\u30fc\u304c\u5b66\u3076\u521d\u3081\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff01\uff01SRIA\u306e\u30a8\u30c7\u30a3\u30bf\u30fc\u82e5\u6801\u304c\u304a\u9001\u308a\u3057\u307e\u3059\u3002 \u3053\u3053\u304b\u3089\u4f55\u56de\u304b\u3067\u3001\u7b2c2\u56de\u3067\u4f5c\u3063\u305f\u30b9\u30ed\u30c3\u30c8\u30b2\u30fc\u30e0\u306e\u4e0d\u5177\u5408\u3092\u6539\u4fee\u3057\u305f\u308a\u3001\u5225\u306e\u65b9\u6cd5\u3067\u4f5c\u308a\u76f4\u3057\u305f\u308a\u3057\u3066\u3001JavaScript\u306b\u3055\u3089…<\/p>\n","protected":false},"author":5,"featured_media":3042,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,8],"tags":[],"_links":{"self":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts\/3158"}],"collection":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/comments?post=3158"}],"version-history":[{"count":35,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts\/3158\/revisions"}],"predecessor-version":[{"id":3456,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts\/3158\/revisions\/3456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/media\/3042"}],"wp:attachment":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/media?parent=3158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/categories?post=3158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/tags?post=3158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}