{"id":1095,"date":"2024-08-19T16:08:33","date_gmt":"2024-08-19T07:08:33","guid":{"rendered":"https:\/\/route-zero.com\/recruit\/route\/1095\/"},"modified":"2025-03-19T17:03:12","modified_gmt":"2025-03-19T08:03:12","slug":"1095","status":"publish","type":"route","link":"https:\/\/route-zero.com\/recruit\/route\/1095\/","title":{"rendered":"HTML5 Drag & Drop API\u3067\u30ea\u30b9\u30c8\u3092\u81ea\u7531\u306b\u4e26\u3073\u66ff\u3048\uff01\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"
\n

\u306f\u3058\u3081\u306b<\/h2>\n

\u300c\u30de\u30a6\u30b9\u64cd\u4f5c\u3067\u30ea\u30b9\u30c8\u306e\u9806\u756a\u3092\u5909\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u300d\u300c\u8981\u7d20\u3092\u76f4\u611f\u7684\u306b\u52d5\u304b\u305b\u308b UI \u3092\u4f5c\u308a\u305f\u3044\u300d\u3068\u8003\u3048\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f
\u5b9f\u969b\u306e\u73fe\u5834\u3084\u958b\u767a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u81ea\u7531\u306b\u4e26\u3079\u66ff\u3048\u3089\u308c\u308b\u30ea\u30b9\u30c8\u3084\u8981\u7d20\u79fb\u52d5\u306e\u4ed5\u7d44\u307f\u306f\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30bf\u30b9\u30af\u7ba1\u7406\u30c4\u30fc\u30eb\u3084 ToDo \u30ea\u30b9\u30c8\u3001EC \u30b5\u30a4\u30c8\u306e\u5546\u54c1\u306e\u8868\u793a\u9806\u5909\u66f4\u306a\u3069\u3001\u300c\u30c9\u30e9\u30c3\u30b0\u3057\u3066\u305d\u306e\u307e\u307e\u76ee\u7684\u306e\u5834\u6240\u3078\u843d\u3068\u3059\u300d\u64cd\u4f5c\u306f\u76f4\u611f\u7684\u3067\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3088\u306d\u3002
\u3053\u3046\u3057\u305f\u300c\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\uff08Drag & Drop\uff09\u300d\u6a5f\u80fd\u306f\u3001HTML5 \u4ee5\u964d\u306e\u6a19\u6e96 API \u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u610f\u5916\u306b\u7c21\u5358\u306b\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u308f\u306a\u304f\u3066\u3082\u3001\u7d14\u7c8b\u306a JavaScript \u3068 HTML \u3060\u3051\u3067\u5b8c\u7d50<\/strong>\u3059\u308b\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u521d\u5fc3\u8005\u301c\u4e2d\u7d1a\u8005\u306e\u65b9<\/strong>\u304c\u300cHTML5 \u306e Drag & Drop API\u300d\u3092\u4f7f\u3063\u3066\u3001\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3067\u4e26\u3073\u66ff\u3048\u308b\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u300c\u305d\u3082\u305d\u3082\u3069\u3046\u3084\u308b\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u300c\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\u304c\u3064\u304b\u3081\u306a\u3044\u300d\u3068\u3044\u3046\u65b9\u306e\u7591\u554f\u306b\u5bc4\u308a\u6dfb\u3044\u3064\u3064\u3001\u5b9f\u969b\u306b\u52d5\u304f\u30b3\u30fc\u30c9\u4f8b\u3082\u63b2\u8f09\u3057\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u6700\u5f8c\u307e\u3067\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n

\n

HTML5 Drag & Drop API \u306e\u57fa\u672c\u4ed5\u7d44\u307f\u3068\u5b9f\u88c5\u30b9\u30c6\u30c3\u30d7<\/h2>\n

1. Drag & Drop API \u3068\u306f<\/h3>\n

HTML5 \u3067\u5c0e\u5165\u3055\u308c\u305f\u300cDrag & Drop API\u300d\u306f\u3001\u8981\u7d20\u3092\u30c9\u30e9\u30c3\u30b0\uff08\u3064\u304b\u3093\u3067\u79fb\u52d5\uff09\u3057\u3001\u5225\u306e\u5834\u6240\u3078\u30c9\u30ed\u30c3\u30d7\uff08\u843d\u3068\u3059\uff09\u3059\u308b\u51e6\u7406\u3092\u30d6\u30e9\u30a6\u30b6\u6a19\u6e96\u3067\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30a4\u30d9\u30f3\u30c8\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \n
  • \n

    dragstart<\/strong>: \u8981\u7d20\u306e\u30c9\u30e9\u30c3\u30b0\u3092\u958b\u59cb\u3057\u305f\u3068\u304d\u306b\u767a\u706b\u3059\u308b\u30a4\u30d9\u30f3\u30c8<\/p>\n<\/li>\n

  • \n

    dragover<\/strong>: \u30c9\u30e9\u30c3\u30b0\u3057\u3066\u3044\u308b\u8981\u7d20\u304c\u5bfe\u8c61\u8981\u7d20\u306e\u4e0a\u3092\u901a\u904e\u3057\u3066\u3044\u308b\u9593\u3001\u7d99\u7d9a\u7684\u306b\u767a\u706b\u3059\u308b\u30a4\u30d9\u30f3\u30c8<\/p>\n<\/li>\n

  • \n

    drop<\/strong>: \u30c9\u30e9\u30c3\u30b0\u4e2d\u306e\u8981\u7d20\u304c\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f\u3068\u304d\u306b\u767a\u706b\u3059\u308b\u30a4\u30d9\u30f3\u30c8<\/p>\n<\/li>\n

  • \n

    dragend<\/strong>: \u30c9\u30e9\u30c3\u30b0\u64cd\u4f5c\u304c\u7d42\u4e86\uff08\u30c9\u30ed\u30c3\u30d7\u307e\u305f\u306f\u30ad\u30e3\u30f3\u30bb\u30eb\uff09\u3057\u305f\u3068\u304d\u306b\u767a\u706b\u3059\u308b\u30a4\u30d9\u30f3\u30c8<\/p>\n<\/li>\n<\/ul>\n

    \u307b\u304b\u306b\u3082\u7d30\u304b\u306a\u30a4\u30d9\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u5c0f\u9650\u306e\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u3060\u3051\u306a\u3089\u3001\u4e0a\u8a18 4 \u3064\u304c\u62bc\u3055\u3048\u3069\u3053\u308d<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    2. \u5b9f\u88c5\u306e\u6d41\u308c<\/h3>\n

    Drag & Drop \u3067\u4e26\u3073\u66ff\u3048\u3092\u884c\u3046\u3068\u304d\u3001\u5927\u307e\u304b\u306b\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u307f\u307e\u3059\u3002<\/p>\n

      \n
    1. \n

      \u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u306e\u8981\u7d20\u306b draggable \u5c5e\u6027\u3092\u4ed8\u3051\u308b<\/strong><\/p>\n

        \n
      • \n

        \u3053\u308c\u306b\u3088\u308a\u3001\u8981\u7d20\u3092\u30de\u30a6\u30b9\u3067\u30c9\u30e9\u30c3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

      • \n

        dragstart \u3067\u30c9\u30e9\u30c3\u30b0\u3059\u308b\u30c7\u30fc\u30bf\u3092\u30bb\u30c3\u30c8\u3059\u308b<\/strong><\/p>\n

          \n
        • \n

          e.dataTransfer.setData(“text\/plain”, \u4f55\u304b\u306e\u5024) \u306e\u3088\u3046\u306b\u3001\u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u306b\u7d10\u3065\u304f\u60c5\u5831\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002\u4eca\u56de\u3067\u3042\u308c\u3070\u30ea\u30b9\u30c8\u30a2\u30a4\u30c6\u30e0\u306e\u30c6\u30ad\u30b9\u30c8\u304c\u7c21\u5358\u306a\u4f8b\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

        • \n

          \u30c9\u30ed\u30c3\u30d7\u5148\u3067 dragover \u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066 e.preventDefault() \u3092\u547c\u3076<\/strong><\/p>\n

            \n
          • \n

            dragover \u4e2d\u306b preventDefault() \u3092\u547c\u3070\u306a\u3044\u3068\u3001drop \u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3057\u307e\u305b\u3093\u3002\u3053\u3053\u304c\u610f\u5916\u3068\u30cf\u30de\u308a\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

          • \n

            drop \u3067\u30c9\u30e9\u30c3\u30b0\u3057\u3066\u304d\u305f\u8981\u7d20\u306e\u4e26\u3073\u66ff\u3048\u3092\u884c\u3046<\/strong><\/p>\n

              \n
            • \n

              drop \u30a4\u30d9\u30f3\u30c8\u5185\u3067 e.dataTransfer.getData(…) \u3092\u7528\u3044\u3066\u3001\u30c9\u30e9\u30c3\u30b0\u958b\u59cb\u6642\u306b\u30bb\u30c3\u30c8\u3057\u305f\u30c7\u30fc\u30bf\uff08\u4eca\u56de\u306f\u30c6\u30ad\u30b9\u30c8\uff09\u3092\u53d6\u308a\u51fa\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

            • \n

              \u305d\u308c\u3092\u3082\u3068\u306b\u300c\u3069\u306e\u8981\u7d20\u3092\u30c9\u30e9\u30c3\u30b0\u3057\u305f\u306e\u304b\u300d\u300c\u3069\u3053\u306b\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f\u304b\u300d\u3092\u7279\u5b9a\u3057\u3001\u30ea\u30b9\u30c8\u306e\u4e26\u3073\u66ff\u3048\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

              \n

              \u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u4f8b\u3068\u3088\u304f\u3042\u308b\u7591\u554f\u306e\u89e3\u6d88<\/h2>\n

              1. \u52d5\u304f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h3>\n

              \u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306b\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3067\u30ea\u30b9\u30c8\u306e\u4e26\u3073\u66ff\u3048\u3092\u884c\u3046\u6700\u5c0f\u9650\u306e\u5b9f\u88c5\u4f8b<\/strong>\u3092\u793a\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u300cdragdrop.html\u300d\u3068\u3044\u3046\u540d\u524d\u3067\u4fdd\u5b58\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u304f\u3060\u3051\u3067\u3001\u30c9\u30e9\u30c3\u30b0\u306b\u3088\u308b\u4e26\u3073\u66ff\u3048\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n

              <!DOCTYPE html>\r\n<html lang=\"ja\"<\/span>>\r\n  <head>\r\n    <meta charset=\"UTF-8\"<\/span> \/>\r\n    <title>Drag & Drop Example<\/title>\r\n    <style>\r\n      body {\r\n        font-family: sans-serif;\r\n        margin: 20<\/span>px;\r\n      }\r\n      #js-result {<\/span>\r\n        margin-top: 20<\/span>px;\r\n      }\r\n      li {\r\n        list<\/span>-style: none; \/* \u30ea\u30b9\u30c8\u30a2\u30a4\u30c6\u30e0\u306e\u30c7\u30a3\u30b9\u30af(\u25cf)\u3092\u975e\u8868\u793a\u306b\u3059\u308b *\/<\/span>\r\n      }\r\n    <\/style>\r\n  <\/head>\r\n  <body>\r\n    <h1>Drag & Drop Example<\/h1>\r\n    <div id=\"js-result\"<\/span>><\/div>\r\n\r\n    <script>\r\n      \/**\r\n       * dragDropExample:\r\n       * \u753b\u9762\u4e0a\u306b\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u53ef\u80fd\u306a\u30ea\u30b9\u30c8\u30a2\u30a4\u30c6\u30e0\u3092\u751f\u6210\u3057\u3001\r\n       * \u30c9\u30e9\u30c3\u30b0\u64cd\u4f5c\u3067\u30ea\u30b9\u30c8\u306e\u4e26\u3073\u66ff\u3048\u3092\u884c\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u95a2\u6570\u3002\r\n       *\/<\/span>\r\n      const<\/span> dragDropExample = () => {\r\n        \/\/ \u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u7528\u306e\u8981\u7d20\u3092\u683c\u7d0d\u3059\u308b\u9818\u57df\u3092\u30af\u30ea\u30a2\u3057\u3066\u304a\u304f<\/span>\r\n        const<\/span> resultDiv = document.getElementById(\"js-result\"<\/span>);\r\n        resultDiv.innerHTML = \"\"<\/span>;\r\n\r\n        \/\/ UL \u8981\u7d20\u3092\u4f5c\u6210\u3057\u3001\u30c9\u30ed\u30c3\u30d7\u5bfe\u8c61\u3068\u3057\u3066\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a<\/span>\r\n        const<\/span> draggableList = document.createElement(\"ul\"<\/span>);\r\n        draggableList.style.listStyle = \"none\"<\/span>;\r\n        draggableList.style.padding = \"0\"<\/span>;\r\n\r\n        \/\/ 5\u3064\u306e\u30ea\u30b9\u30c8\u30a2\u30a4\u30c6\u30e0\u3092\u4f5c\u6210<\/span>\r\n        for<\/span> (let i = 1<\/span>; i <= 5<\/span>; i++) {\r\n          const<\/span> listItem = document.createElement(\"li\"<\/span>);\r\n          listItem.textContent = `Item ${i}`;\r\n          listItem.style.padding = \"10px\"<\/span>;\r\n          listItem.style.margin = \"5px\"<\/span>;\r\n          listItem.style.backgroundColor = \"#f0f0f0\"<\/span>;\r\n          listItem.style.cursor = \"move\"<\/span>;\r\n          \/\/ HTML5\u306eDrag & Drop API\u3092\u6709\u52b9\u306b\u3059\u308b<\/span>\r\n          listItem.draggable = true<\/span>;\r\n\r\n          \/**\r\n           * dragstart \u30a4\u30d9\u30f3\u30c8:\r\n           * \u30c9\u30e9\u30c3\u30b0\u304c\u958b\u59cb\u3055\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u767a\u751f\u3002\r\n           * e.dataTransfer\u306b\u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\uff08\u4eca\u56de\u306f\u6587\u5b57\u5217\uff09\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3002\r\n           *\/<\/span>\r\n          listItem.addEventListener(\"dragstart\"<\/span>, (e) => {\r\n            e.dataTransfer.setData(\"text\/plain\"<\/span>, e.target.textContent);\r\n            \/\/ \u30c9\u30e9\u30c3\u30b0\u4e2d\u306f\u8981\u7d20\u3092\u534a\u900f\u660e\u306b\u3059\u308b\u306a\u3069\u306e\u8996\u899a\u7684\u52b9\u679c\u3092\u4e0e\u3048\u308b<\/span>\r\n            e.target.style.opacity = \"0.5\"<\/span>;\r\n          });\r\n\r\n          \/**\r\n           * dragend \u30a4\u30d9\u30f3\u30c8:\r\n           * \u30c9\u30e9\u30c3\u30b0\u304c\u7d42\u4e86\uff08\u30c9\u30ed\u30c3\u30d7\u307e\u305f\u306f\u30ad\u30e3\u30f3\u30bb\u30eb\uff09\u3057\u305f\u3068\u304d\u306b\u767a\u706b\u3002\r\n           * dragstart\u3067\u4e0b\u3052\u305fopacity\u3092\u5143\u306b\u623b\u3059\u3002\r\n           *\/<\/span>\r\n          listItem.addEventListener(\"dragend\"<\/span>, (e) => {\r\n            e.target.style.opacity = \"1\"<\/span>;\r\n          });\r\n\r\n          \/\/ \u4f5c\u6210\u3057\u305f\u30ea\u30b9\u30c8\u30a2\u30a4\u30c6\u30e0\u3092 <ul> \u5185\u306b\u8ffd\u52a0<\/span>\r\n          draggableList.appendChild(listItem);\r\n        }\r\n\r\n        \/**\r\n         * dragover \u30a4\u30d9\u30f3\u30c8:\r\n         * \u30c9\u30e9\u30c3\u30b0\u4e2d\u306b\u3001\u30a2\u30a4\u30c6\u30e0\u304c\u3053\u306e\u8981\u7d20\u4e0a\u3092\u901a\u904e\u3057\u3066\u3044\u308b\u9593\u3001\u7d99\u7d9a\u7684\u306b\u767a\u706b\u3002\r\n         * e.preventDefault() \u3092\u547c\u3070\u306a\u3044\u3068 drop \u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u306a\u3044\u3002\r\n         *\/<\/span>\r\n        draggableList.addEventListener(\"dragover\"<\/span>, (e) => {\r\n          e.preventDefault();\r\n        });\r\n\r\n        \/**\r\n         * drop \u30a4\u30d9\u30f3\u30c8:\r\n         * \u30c9\u30ed\u30c3\u30d7\u304c\u884c\u308f\u308c\u305f\u969b\u306b\u767a\u751f\u3002\r\n         * \u3053\u3053\u3067\u3001dragstart \u3067\u30bb\u30c3\u30c8\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3001\r\n         * \u30c9\u30ed\u30c3\u30d7\u5148\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3066\u4e26\u3073\u66ff\u3048\u3092\u5b9f\u884c\u3059\u308b\u3002\r\n         *\/<\/span>\r\n        draggableList.addEventListener(\"drop\"<\/span>, (e) => {\r\n          e.preventDefault();\r\n\r\n          \/\/ dragstart\u3067\u30bb\u30c3\u30c8\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97<\/span>\r\n          const<\/span> data = e.dataTransfer.getData(\"text\/plain\"<\/span>);\r\n          \/\/ drop\u3055\u308c\u305f\u5834\u6240\u304c <li> \u8981\u7d20\u304b\u3069\u3046\u304b\u3092 closest() \u3067\u9061\u3063\u3066\u8abf\u3079\u308b<\/span>\r\n          const<\/span> dropTarget = e.target.closest(\"li\"<\/span>);\r\n\r\n          if<\/span> (dropTarget) {\r\n            \/\/ \u30c9\u30e9\u30c3\u30b0\u3057\u3066\u3044\u308b\u30a2\u30a4\u30c6\u30e0\u3092\u63a2\u3059<\/span>\r\n            const<\/span> draggedItem = Array<\/span>.from(draggableList.children).find(\r\n              (item) => item.textContent === data\r\n            );\r\n            \/\/ \u30c9\u30ed\u30c3\u30d7\u5148\u304c\u81ea\u5206\u81ea\u8eab\u3067\u306f\u306a\u3044\u5834\u5408\u306e\u307f\u5165\u308c\u66ff\u3048\u51e6\u7406<\/span>\r\n            if<\/span> (draggedItem !== dropTarget) {\r\n              \/\/ dropTarget\u306e\u5f8c\u308d\u306b\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u81ea\u7136\u306a\u52d5\u4f5c<\/span>\r\n              draggableList.insertBefore(draggedItem, dropTarget.nextSibling);\r\n            }\r\n          }\r\n        });\r\n\r\n        \/\/ \u751f\u6210\u3057\u305f <ul> \u3092 #js-result \u306b\u8ffd\u52a0<\/span>\r\n        resultDiv.appendChild(draggableList);\r\n      };\r\n\r\n      \/\/ \u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u5f8c\u306b Drag & Drop \u3092\u521d\u671f\u5316<\/span>\r\n      window.addEventListener(\"DOMContentLoaded\"<\/span>, () => {\r\n        dragDropExample();\r\n      });\r\n    <\/script>\r\n  <\/body>\r\n<\/html><\/code><\/pre>\n
              2. \u300c\u30c9\u30e9\u30c3\u30b0\u304c\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u300d\u3088\u304f\u3042\u308b\u539f\u56e0<\/h3>\n
                \n
              • \n
                draggable \u5c5e\u6027\u306e\u4ed8\u3051\u5fd8\u308c<\/strong>
                \u8981\u7d20\u3092\u30c9\u30e9\u30c3\u30b0\u53ef\u80fd\u306b\u3059\u308b\u306b\u306f\u3001draggable=”true” \u304c\u5fc5\u9808\u3067\u3059\u3002JavaScript \u3067\u306f element.draggable = true \u3068\u8a2d\u5b9a\u3057\u3066\u3082 OK\u3002<\/p>\n<\/li>\n
              • \n
                dragover \u306e preventDefault() \u3092\u5fd8\u308c\u3066\u3044\u308b<\/strong>
                dragover \u30a4\u30d9\u30f3\u30c8\u3067 e.preventDefault() \u3092\u547c\u3070\u306a\u3044\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u52d5\u4f5c\uff08\u4f8b\u3048\u3070\u30c6\u30ad\u30b9\u30c8\u9078\u629e\u306a\u3069\uff09\u3092\u884c\u3044\u3001drop \u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u307e\u305b\u3093\u3002<\/p>\n<\/li>\n
              • \n
                dataTransfer \u3067\u30bb\u30c3\u30c8\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u3044\u306a\u3044<\/strong>
                dragstart \u30a4\u30d9\u30f3\u30c8\u3067 e.dataTransfer.setData(…) \u3057\u305f\u3089\u3001drop \u30a4\u30d9\u30f3\u30c8\u5074\u3067\u5fc5\u305a getData(…) \u3092\u547c\u3093\u3067\u53d6\u308a\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u304c\u565b\u307f\u5408\u308f\u306a\u3044\u3068\u8981\u7d20\u306e\u7279\u5b9a\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<\/li>\n<\/ul>\n
                3. \u30c9\u30e9\u30c3\u30b0\u8981\u7d20\u3092\u7279\u5b9a\u3059\u308b\u65b9\u6cd5<\/h3>\n
                \u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30c9\u30ed\u30c3\u30d7\u6642\u306b\u300c\u30c9\u30e9\u30c3\u30b0\u4e2d\u306e\u30ea\u30b9\u30c8\u30a2\u30a4\u30c6\u30e0\u304b\u3069\u3046\u304b\u300d\u3092\u6587\u5b57\u5217\uff08text\/plain\uff09\u3067\u7279\u5b9a<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6587\u5b57\u5217\u3060\u3068\u30e6\u30cb\u30fc\u30af\u306a\u5024\u304c\u306a\u3044\u3068\u5224\u5225\u304c\u96e3\u3057\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30ea\u30b9\u30c8\u8981\u7d20\u306b ID \u5c5e\u6027<\/strong>\u3084\u30c7\u30fc\u30bf\u5c5e\u6027\u3092\u6301\u305f\u305b\u3066\u3001\u305d\u308c\u3092 setData \/ getData \u3067\u6271\u3046\u3088\u3046\u306b\u3059\u308b\u3068\u3088\u308a\u6b63\u78ba\u306a\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
                \/\/ \u4f8b: dataTransfer \u3067 \"data-id\" \u3092\u30bb\u30c3\u30c8\u3059\u308b<\/span>\r\nlistItem.dataset.id = i; \/\/ i \u306f\u30eb\u30fc\u30d7\u756a\u53f7<\/span>\r\nlistItem.addEventListener(\"dragstart\"<\/span>, (e<\/span>) =><\/span> {\r\n  e.dataTransfer.setData(\"text\/plain\"<\/span>, e.target.dataset.id);\r\n});<\/code><\/pre>\n
                \n
                \u4eca\u3059\u3050\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3092\u8a66\u3057\u3066\u307f\u3088\u3046\uff01<\/h2>\n
                \u3053\u3053\u307e\u3067\u3054\u89a7\u3044\u305f\u3060\u304d\u3001\u300c\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u306b\u3088\u308b\u30ea\u30b9\u30c8\u4e26\u3073\u66ff\u3048\u306e\u4ed5\u7d44\u307f\u300d\u3092\u5c11\u3057\u3067\u3082\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n