{"id":9949,"date":"2020-04-05T20:47:57","date_gmt":"2020-04-05T11:47:57","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=9949"},"modified":"2023-05-28T00:01:04","modified_gmt":"2023-05-27T15:01:04","slug":"%e3%80%90vue-js%e3%80%91%e3%80%8c%e3%82%a6%e3%82%a9%e3%83%83%e3%83%81%e3%83%a3%e3%80%8d%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=9949","title":{"rendered":"\u3010Vue.js\u3011\u300c\u30a6\u30a9\u30c3\u30c1\u30e3\u300d\u3001\u300ccomputed\u300d\u306e\u4f7f\u3044\u5206\u3051"},"content":{"rendered":"

\u30a6\u30a9\u30c3\u30c1\u30e3\u3068\u306f\uff1f<\/h2>\n

\u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u76e3\u8996\u3057\u3066\u767b\u9332\u3057\u3066\u304a\u3044\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u547c\u3073\u51fa\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd<\/p>\n

\u30a6\u30a9\u30c3\u30c1\u30e3\u306e\u4ed5\u7d44\u307f<\/h3>\n

\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u6bce\u306b\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\uff08\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u542b\u3081\u3066\uff09\u3092\u5168\u3066\u76e3\u8996<\/strong><\/span>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0(v-on)\u3068\u306e\u9055\u3044<\/h3>\n

\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u4f3c\u3066\u3044\u308b\u304c\u30a4\u30d9\u30f3\u30c8\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u30a4\u30d9\u30f3\u30c8\u3067\u306f\u306a\u304f\u30c7\u30fc\u30bf\u306e\u5909\u66f4<\/strong><\/span>\u3067\u3042\u308b\u70b9<\/p>\n

\u69cb\u6587<\/h3>\n
Vue\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9.$watch(\u76e3\u8996\u5bfe\u8c61\u306e\u5024\u3092\u8fd4\u3059\u95a2\u6570,\u5024\u304c\u5909\u308f\u3063\u305f\u6642\u306b\u8fd4\u3059\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570)<\/pre>\n
\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u306f\uff1f<\/h2>\n
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u4f55\u3089\u304b\u306e\u52a0\u5de5\u3092\u884c\u3063\u305f\u7d50\u679c\u3092\u8fd4\u3059\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u901a\u5e38\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u540c\u3058\u3088\u3046\u306b\u6271\u3048\u307e\u3059\u3002<\/p>\n
\u4ed5\u7d44\u307f<\/h3>\n
\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u3067\u53c2\u7167\u3055\u308c\u308b\u3068Vue\u306f\u305d\u306e\u6642\u306e\u5024\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u307e\u3059\u3002<\/strong>\uff08\u53c2\u7167\u3055\u308c\u308b\u305f\u3073\u306b\u540c\u3058\u51e6\u7406\u304c\u884c\u308f\u308c\u308b\u306e\u306f\u7121\u99c4\u304c\u591a\u3044\u305f\u3081\uff09<\/span><\/span><\/p>\n
\u305f\u3060\u3001\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4e2d\u3067\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u304c\u66f4\u65b0\u3055\u308c\u308b\u3068Vue\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6368\u3066\u3066\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u518d\u5ea6\u5b9f\u884c\u3057\u307e\u3059\u3002<\/strong><\/span>(Vue\u306f\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u3067\u4f9d\u5b58\u95a2\u4fc2\u3092\u6301\u3063\u3066\u3044\u3066\u4e92\u3044\u306b\u76e3\u8996\u3092\u3057\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n
methods\u3068\u306e\u9055\u3044<\/h4>\n
\u30e1\u30bd\u30c3\u30c9\u306f\u4f9d\u5b58\u95a2\u4fc2\u306e\u3042\u308b\u306a\u3057\u306b\u304b\u304b\u308f\u3089\u305a\u30c7\u30fc\u30bf\u304c\u66f4\u65b0\u3055\u308c\u6b21\u7b2c\u5fc5\u305a\u518d\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/strong><\/span>\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3061\u3083\u3093\u3068\u4f9d\u5b58\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u66f4\u65b0\u3055\u308c\u305f\u5834\u5408\u306e\u307f\u5b9f\u884c\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u5168\u304f\u95a2\u4fc2\u306a\u3044\u30dc\u30bf\u30f3\u3092\u5b9f\u88c5\u3057\u305f\u3068\u3057\u3066\u5225\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u5834\u5408\u3067\u3082\u305d\u308c\u306b\u3088\u3063\u3066DOM\u304c\u518d\u63cf\u753b\u3055\u308c\u305f\u3089methods\u3067\u5b9f\u88c5\u3057\u3066\u3044\u308b\u51e6\u7406\u304c\u4f55\u5ea6\u3082\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001\u753b\u9762\u306b\u63cf\u753b\u3055\u305b\u3066\u3044\u308b\u30c7\u30fc\u30bf\u7b49\u3092v-text\u3092\u4f7f\u3063\u3066\u52d5\u7684\u306b\u63cf\u753b\u3055\u305b\u308b\u5834\u5408\u7b49\u306fmethods\u3067\u306f\u306a\u304f\u5fc5\u305acomputed\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/strong><\/span><\/p>\n
\u7528\u9014<\/h3>\n
\u7d5e\u308a\u8fbc\u307f\u306e\u7d50\u679c\u7b49\u3092\u6301\u305f\u305b\u308b\u7b49\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u308b\u6027\u8cea\u3092\u5229\u7528\u3057\u3066\u91cd\u3044\u51e6\u7406\u306e\u8a18\u8ff0\u53ca\u3073\u30c7\u30fc\u30bf\u4fdd\u6301\u306b\u4f7f\u7528\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n
Mustache\u8a18\u6cd5\u3068\u306e\u4f7f\u3044\u5206\u3051<\/h4>\n
\u3053\u306e\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5f79\u5272\u3068\u3057\u3066\u306fMustache\u8a18\u6cd5\u306b\u76f4\u63a5\u5f0f\u3092\u66f8\u3044\u3066\u52d5\u4f5c\u3055\u305b\u308b\u5f79\u5272\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002<\/strong><\/span><\/p>\n
Mustache\u8a18\u6cd5\u3067\u3082\u5f0f\u5c55\u958b\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3053\u308c\u306f\u8907\u96d1\u306a\u51e6\u7406\u306b\u306f\u5411\u3044\u3066\u3044\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u8907\u6570\u7b87\u6240\u306b\u540c\u3058\u5185\u5bb9\u3092\u8a18\u8ff0\u3057\u305f\u3044\u5834\u5408\u7b49\u3067\u3082\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3063\u305f\u65b9\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u307e\u305f\u3001Mushtache\u3060\u3068\u5358\u4e00\u306e\u5f0f\u3057\u304b\u8a18\u8ff0\u3067\u304d\u306a\u3044\u306e\u3067\u305d\u3082\u305d\u3082\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u306f\u8a18\u8ff0\u304c\u3067\u304d\u306a\u3044\u3057\u304d\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u69cb\u6587<\/h3>\n
computed: { \u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3: \u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 }<\/pre>\n
\u30a6\u30a9\u30c3\u30c1\u30e3\u3068\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u306e\u4f7f\u3044\u5206\u3051<\/h2>\n
\u30a2\u30d7\u30ea\u304c\u4fdd\u6301\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u30a6\u30a9\u30c3\u30c1\u3067\u306f\u306a\u304f\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3048\u3070\u826f\u3044\u3002\u8fd4\u3057\u305f\u3044\u30c7\u30fc\u30bf\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5916\u90e8\u304b\u3089\u53d6\u5f97\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306f\u30a6\u30a9\u30c3\u30c1\u30e3\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
\u7406\u7531\u3068\u3057\u3066\u306f\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u306f\u30cf\u30f3\u30c9\u30e9\u51e6\u7406\u3092\u7d42\u3048\u308b\u307e\u3067\u518d\u63cf\u753b\u3055\u308c\u306a\u3044\u305f\u3081\u30e6\u30fc\u30b6\u30fc\u3092\u5f85\u305f\u305b\u3066\u3057\u307e\u3046\u305f\u3081\u3002<\/strong><\/span>\u30a6\u30a9\u30c3\u30c1\u3067\u3042\u308c\u3070Ajax\u306b\u3088\u308b\u975e\u540c\u671f\u901a\u4fe1\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u8ca0\u8377\u304c\u304b\u304b\u3089\u306a\u3044\u3088\u3046\u306b\u30cf\u30f3\u30c9\u30e9\u306e\u5b9f\u884c\u983b\u5ea6\u3092\u8abf\u6574\u3067\u304d\u308b\u3002<\/p>\n
\u5177\u4f53\u7684\u306b\u306f\u3001\u95a2\u6570\u306e\u4e2d\u3067return\u3092\u8fd4\u3059\u3088\u3046\u306a\u540c\u671f\u51e6\u7406\u306e\u5834\u5408\u306fcomputed\u3092\u4f7f\u3046\u3001\u95a2\u6570\u306e\u4e2d\u3067return\u3092\u8fd4\u3055\u306a\u3044\u975e\u540c\u671f\u51e6\u7406\u306e\u5834\u5408\u306fwatch\u3092\u4f7f\u3046<\/strong><\/span>\u3068\u3044\u3046\u3088\u3046\u306b\u899a\u3048\u308c\u3070\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
v-on\u3068\u306e\u4f7f\u3044\u5206\u3051<\/h2>\n
v-on<\/span>\u306fHTML<\/span>\u304c\u3059\u3063\u304d\u308a\u306f\u3057\u306a\u3044\u3002\uff08\u3044\u307e\u3044\u3061\u4f7f\u3044\u5206\u3051\u306e\u65b9\u6cd5\u304c\u308f\u304b\u3089\u306a\u3044\u306a\u3002\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"\u30a6\u30a9\u30c3\u30c1\u30e3\u3068\u306f\uff1f \u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u76e3\u8996\u3057\u3066\u767b\u9332\u3057\u3066\u304a\u3044\u305f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u547c\u3073\u51fa\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd \u30a6\u30a9\u30c3\u30c1\u30e3\u306e\u4ed5\u7d44\u307f \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u6bce\u306b\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\uff08\u7b97\u51fa\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u542b\u3081\u3066\uff09\u3092\u5168\u3066\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\u3002 \u30a4 […]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[60],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/9949"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9949"}],"version-history":[{"count":7,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/9949\/revisions"}],"predecessor-version":[{"id":20632,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/9949\/revisions\/20632"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9949"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}