{"id":84,"date":"2017-08-04T05:43:12","date_gmt":"2017-08-03T20:43:12","guid":{"rendered":"https:\/\/blog.capilano-fw.com\/?p=84"},"modified":"2018-02-23T04:19:48","modified_gmt":"2018-02-22T19:19:48","slug":"vue-js-%e3%81%ae-v-for-%e3%81%a7%e6%b0%97%e3%82%92%e3%81%a4%e3%81%91%e3%81%a6%e3%81%8a%e3%81%8f%e3%81%b9%e3%81%8d%e3%81%93%e3%81%a8","status":"publish","type":"post","link":"https:\/\/blog.capilano-fw.com\/?p=84","title":{"rendered":"Vue.js \u306e v-for \u3067\u6c17\u3092\u3064\u3051\u3066\u304a\u304f\u3079\u304d\u3053\u3068"},"content":{"rendered":"

\u4eca\u958b\u767a\u3092\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3067\u306f\u4ee5\u524d\u3088\u308a\u3082 JavaScript \u3067\u306e\u52d5\u304d\u304c\u591a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u79c1\u306e\u5927\u597d\u304d\u306a\uff08\uff1d\u5b66\u7fd2\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\uff09 Vue.js \u3092\u30d5\u30eb\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\nVue \u306f\u4f7f\u3046\u305f\u3073\u306b\u305d\u306e\u4fbf\u5229\u3055\u306b\u3073\u3063\u304f\u308a\u3055\u305b\u3089\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u4eca\u65e5\u3072\u3068\u3064 v-for \u306b\u3064\u3044\u3066\u6c17\u3092\u3064\u3051\u3066\u304a\u304b\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u3053\u3068\u306b\u906d\u9047\u3057\u305f\u3093\u3067\u672a\u6765\u306e\u81ea\u5206\u306e\u305f\u3081\u306b\u3082\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\"\"
bazza<\/a> \/ Pixabay<\/figcaption><\/figure>\n

[\u3053\u3093\u306a\u6642]
\n\u307e\u305a\u306f\u3069\u3093\u306a\u3068\u304d\u306b\u5f71\u97ff\u3042\u308b\u306e\uff1f\uff1f\u3092\u79c1\u304c\u906d\u9047\u3057\u305f\u5b9f\u969b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\uff11\uff0e\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\u306e\u4e00\u89a7\u3092\u8868\u793a
\n\uff12\uff0e\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5404\u30c7\u30fc\u30bf\u3092 X-editable<\/a> \u3067\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u8868\u793a\u3057\u30c6\u30ad\u30b9\u30c8\u3084\u65e5\u4ed8\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5909\u66f4
\n\uff13\uff0e\u66f4\u65b0\u304c\u6210\u529f\u3057\u305f\u3089\u65b0\u3057\u304f\u306a\u3063\u305f\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3067\u4e00\u89a7\u8868\u793a\u3000\u2190\uff08\u3053\u3053\u3067\u4e00\u89a7\u8868\u793a\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u304f\u306a\u308b<\/p>\n

\u203b\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u30c7\u30fc\u30bf\u66f4\u65b0\u5f8c\u306e\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u304cHTTP\u3058\u3083\u306a\u304f\u3001JavaScript\u3092\u4f7f\u3063\u3066\u308b\u90e8\u5206\u3067\u3059\u3002<\/p>\n

[\u5177\u4f53\u7684\u306b\u3069\u3093\u306a\u4e0d\u5177\u5408\u304c\u8d77\u3053\u3063\u305f\uff1f\uff1f]
\n\u3053\u308c\u3082\u7c21\u5358\u306a\u4f8b\u3067\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n\u6b21\u306e\u306f\u3055\u3063\u304d\u8aac\u660e\u3057\u305f\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\u4e00\u89a7\u306e\u7c21\u6613\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002<\/p>\n

\u203b\u3082\u3061\u308d\u3093\u3053\u306e\u90e8\u5206\u306f Vue.js \u306e v-for=”**** in ****” \u3092\u3064\u304b\u3063\u3066\u30af\u30eb\u30af\u30eb\u56de\u3057\u3066\u8868\u793a\u3092\u3057\u3066\u307e\u3059\u3002
\n\u203b\u30bd\u30fc\u30c8\u306f\u65e5\u4ed8\u306e\u964d\u9806\u306d\u3002<\/p>\n

\u3010\u30c7\u30fc\u30bf\u4f8b\u3011
\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff11\u3000\uff5c\u30002017\/08\/10
\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff12\u3000\uff5c\u30002017\/08\/05
\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff13\u3000\uff5c\u30002017\/08\/01<\/p>\n

\u3053\u3053\u3067\u3001\uff12\u756a\u3081\u306e\u65e5\u4ed8\u3092\u300c2017\/08\/15\u300d\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n

\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff11\u3000\uff5c\u30002017\/08\/10
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\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff13\u3000\uff5c\u30002017\/08\/01<\/p>\n

\u3010\u4e88\u60f3\u3057\u3066\u305f\u306e\u306f\u3001\u3001\u3001\uff1f\uff1f\u3011<\/p>\n

\u3082\u3061\u308d\u3093\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u614b\u306b\u306a\u308b\u3068\u601d\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff12\u3000\uff5c\u30002017\/08\/15\u3000\u2190\u30c8\u30c3\u30d7\u306b\u4e0a\u304c\u3063\u305f\u2605
\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff11\u3000\uff5c\u30002017\/08\/10
\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff13\u3000\uff5c\u30002017\/08\/01<\/p>\n

\u3010\u3067\u3082\u73fe\u5b9f\u306f\u3001\u3001\u3001\u3001\uff1f\uff1f\u3011<\/p>\n

\u672c\u5f53\u306f\u3082\u3063\u3068\u8907\u96d1\u3067\u3059\u304c\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u3053\u308c\u3082\u7c21\u7565\u7248\u3067\u3002<\/p>\n

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\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff12\u3000\uff5c\u30002017\/08\/10
\n\u30a2\u30dd\u30a4\u30f3\u30c8\u30e1\u30f3\u30c8\uff13\u3000\uff5c\u30002017\/08\/01<\/p>\n

\u203b\u3067\u3082\u3053\u306e\u72b6\u614b\u3067\u3001F5\u3092\u62bc\u3057\u3066\u518d\u8868\u793a\u3059\u308b\u3068\u3046\u307e\u304f\u3044\u3063\u3066\u3044\u308b\u3002<\/p>\n

\u3046\u30fc\u30fc\u30fc\u3093\u3001\u3001\u3001\u3001\u3001\u306a\u3093\u3067\u3060\u308d\u3046\u304b\u3001\u3001\u3001\u3001\u6700\u8fd1\u30b8\u30b8\u30a4\u306e\u76ee\u306f\u9177\u4f7f\u3055\u308c\u3066\u9650\u754c\u306a\u3093\u3060\u304c\u30fc\uff08\u6c57\uff09<\/p>\n

\u305d\u3053\u3067\u3044\u3064\u3082\u306e\u3054\u3068\u304fGoogle\u3055\u3093\u3067\u691c\u7d22\uff08\u2190\u6700\u8fd1\u826f\u3044\u7d50\u679c\u3092\u51fa\u3055\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3088\u306d\u30fc\u3002\u50d5\u3060\u3051\u304b\u306a\uff1f\uff1f\u691c\u7d22\u4e0b\u624b\uff1f\uff1f\uff1f DuckDuckGo\u306a\u3093\u304b\u304c\u5bfe\u6297\u99ac\u306b\u306a\u3063\u305f\u3089\u9762\u767d\u3044\u306e\u306b\u306a\uff08\u7b11\uff09\uff09\u3057\u3066\u307f\u308b\u3068 Vue \u306e\u52a9\u3051\u5408\u3044\u30d5\u30a9\u30fc\u30e9\u30e0\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002<\/p>\n

https:\/\/forum.vuejs.org\/t\/how-to-disable-component-reuse\/5828<\/a><\/p>\n

\u8981\u7d04\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n

\u76f8\u8ac7\u8005\u300c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u5229\u7528\u3092\u3057\u306a\u3044\u65b9\u6cd5\u3063\u3066\u306d\u30fc\u306e\uff1f\uff1f\u300d
\n\u56de\u7b54\u8005\u300ckey \u30a2\u30c8\u30ea\u30d3\u30e5\u30fc\u30c8\u4f7f\u3044\u306a\u3088\u3002\u30ac\u30a4\u30c9\u306b\u4e57\u3063\u3066\u3093\u3058\u3083\u30fc\u3093\u300d
\n\u76f8\u8ac7\u8005\u300c\u30de\u30b8\u304b\uff01\uff1f\u9b54\u6cd5\u307f\u305f\u304f\u3046\u307e\u304f\u3044\u3063\u305f\u308f\u3002\u3042\u3056\u30fc\u3059\u3042\u3056\u30fc\u3059\uff01\u300d<\/p>\n

\u3093\uff1f\uff1f key attribute \uff1f\uff1f\u3063\u3066 Vue\u4f7f\u3044\u59cb\u3081\u3066\u521d\u3081\u3066\u805e\u304f\u3051\u3069\u4f55\u306a\u3093\u3060\u308d\u3046\u3002
\n\u672c\u5bb6\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3078\u6025\u3052\u2193\u2193\u2193<\/p>\n

https:\/\/jp.vuejs.org\/v2\/guide\/list.html#key<\/a><\/p>\n

\u3075\u3080\u3075\u3080\u3002
\n\u3069\u3046\u3084\u3089 Vue\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3055\u3063\u304d\u306e\u76f8\u8ac7\u8005\u304c\u805e\u3044\u3066\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u5229\u7528\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3089\u3057\u304f\u3001\u305d\u308c\u3067\u9ad8\u901f\u8868\u793a\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u307f\u305f\u3044\u3002
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[\u3058\u3083\u3001\u3069\u3046\u3059\u308c\u3070\u3044\u30fc\u306e\uff1f\uff1f\uff1f]<\/p>\n

\u30ac\u30a4\u30c9\u306b\u3057\u3063\u304b\u308a\u3068\u306e\u3063\u3066\u307e\u3057\u305f\u3002
\n\u4ee5\u4e0b\u306f\u5f15\u7528\u3067\u3059\u3002<\/p>\n

<div v-for=\"item in items\" :key=\"item.id\">\r\n    <!-- content -->\r\n<\/div><\/pre>\n
\u30dd\u30a4\u30f3\u30c8\u306f\u300c:key=”item.id”\u300d\u306e\u90e8\u5206\u3002
\n\u305d\u3046\u3067\u3059\u3002key\u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30e6\u30cb\u30fc\u30af\u306aID\u3092\u6307\u5b9a\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u3082\u3057\u30c7\u30fc\u30bf\u306e\u9806\u756a\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3063\u3066\u3082\u554f\u984c\u306a\u304f\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3088\u3063\u3066\u3044\u3046\u6a5f\u80fd\u306e\u306a\u3093\u3067\u3059\u306d\u3002\u3055\u3059\u304c Vue\u3002\u3053\u3046\u3044\u3046\u3068\u3053\u308d\u306b\u3082\u304d\u3061\u3093\u3068\u6c17\u914d\u308a\u3057\u3066\u304f\u308c\u3066\u3044\u308b\uff01<\/p>\n
\u3063\u3066\u3053\u3068\u3067\u3001\u79c1\u306e\u5834\u5408\u3082\u9b54\u6cd5\u306e\u3088\u3046\u306b\u4e00\u767a\u3067\u89e3\u6c7a\u3002
\n\u30fb\u30fb\u30fb\u3067\u3082\u3053\u308c\u3063\u3066\u4eca\u5f8c\u3082\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u304b\u3089\u899a\u3048\u3068\u304b\u306a\u304d\u3083\u306d\u3063\u3066\u3053\u3068\u3067\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u7d42\u308f\u308a\u3067\u3059\u3002m_ _m<\/p>\n
\u203b\u3061\u306a\u307f\u306b\u6700\u8fd1 nextTick() \u3068\u3044\u3046\u4fbf\u5229\u306a\u6a5f\u80fd\u3092\u3057\u308a\u307e\u3057\u305f\u3002DOM\u304c\u5909\u66f4\u306b\u306a\u3063\u3066\u304b\u3089\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u3082\u5f15\u7528\u3002<\/p>\n
\/\/ \u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3059\u308b\r\nvm.msg = 'Hello'\r\n\/\/ DOM \u306f\u307e\u3060\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u305b\u3093\r\nVue.nextTick(function () {\r\n\/\/ DOM \u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\r\n})<\/pre>\n
Vue \u306e\u5965\u306f\u307e\u3060\u307e\u3060\u6df1\u305d\u3046\u3060(^^)<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u958b\u767a\u3092\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3067\u306f\u4ee5\u524d\u3088\u308a\u3082 JavaScript \u3067\u306e\u52d5\u304d\u304c\u591a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u79c1\u306e\u5927\u597d\u304d\u306a\uff08\uff1d\u5b66\u7fd2\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\uff09 Vue.js \u3092\u30d5\u30eb\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002  … <\/p>\n
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