{"id":9933,"date":"2020-04-05T11:00:32","date_gmt":"2020-04-05T02:00:32","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=9933"},"modified":"2023-05-06T23:34:43","modified_gmt":"2023-05-06T14:34:43","slug":"%e3%80%90vue-js%e3%80%91%e3%80%8cv-if%e3%80%8d%e3%80%81%e3%80%8cv-show%e3%80%8d%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%86%e3%82%a3%e3%83%96%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=9933","title":{"rendered":"\u3010Vue.js\u3011\u300cv-if\u300d\u3001\u300cv-show\u300d\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>v-if<\/h2>\n<p>\u6761\u4ef6\u306b\u3088\u3063\u3066\u51fa\u529b\u3055\u305b\u308b\u304b\u3055\u305b\u306a\u3044\u304b\u306e\u5207\u308a\u66ff\u3048\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u69cb\u6587<\/h3>\n<h4>1\u6587\u306e\u307f<\/h4>\n<pre class=\"lang:default decode:true \">&lt;\u8981\u7d20\u540d v-if=\"\u6761\u4ef6\u5f0f1\"&gt;\u51fa\u529b\u5185\u5bb9&lt;\/\u8981\u7d20\u540d&gt;\r\n&lt;\u8981\u7d20\u540d v-else-if=\"\u6761\u4ef6\u5f0f2\"&gt;\u51fa\u529b\u5185\u5bb9&lt;\/\u8981\u7d20\u540d&gt;\r\n&lt;\u8981\u7d20\u540d v-else&gt;\u51fa\u529b\u5185\u5bb9&lt;\/\u8981\u7d20\u540d&gt;<\/pre>\n<h4>\u307e\u3068\u307e\u3063\u305f\u7bc4\u56f2\u306e\u6761\u4ef6\u5f0f<\/h4>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308c\u3070\u8907\u6570\u884c\u306e\u5185\u5bb9\u306e\u6761\u4ef6\u6587\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">&lt;template v-if=\"\u6761\u4ef6\u5f0f\"&gt;\r\n\u51fa\u529b\u884c1\r\n\u51fa\u529b\u884c2\r\n\u51fa\u529b\u884c3\r\n&lt;\/template&gt;<\/pre>\n<p>\u8907\u6570\u884c\u3060\u3051\u3067\u306a\u304f\u3001\u4f8b\u3048\u3070\u3001ul&gt;li\u3068\u304b\u306e\u3088\u3046\u306b\u540c\u3058DOM\u968e\u5c64\u306b\u8907\u6570\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u307e\u3068\u3081\u3066v-if\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306e\u8a18\u8ff0\u306b\u3082\u4f7f\u3048\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u5185\u90e8\u7684\u306a\u52d5\u4f5c<\/h3>\n<p>Vue.js\u306e\u4eee\u60f3DOM\u306e\u8981\u7d20\u306e\u751f\u6210\u3068\u524a\u9664\u304c\u4ea4\u4e92\u306b\u884c\u308f\u308c\u308b\u3088\u3046\u306a\u52d5\u4f5c\u306b\u306a\u308a\u307e\u3059\u3002(\u30a4\u30e1\u30fc\u30b8\u7684\u306b\u306fCSS\u3068\u304b\u3067\u306f\u306a\u304fjQuery\u3084JavaScript\u3067DOM\u751f\u6210\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u6319\u52d5\u3068\u540c\u3058\u3067\u3059\u3002\uff09<\/p>\n<h2>v-show<\/h2>\n<p>v-if\u3068\u9055\u3044\u5fc5\u305a\u51fa\u529b\u3055\u308c\u3066CSS\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u300cdisplay:none;\u300d\u306e\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>\u305f\u3060\u3001v-if\u3068\u9055\u3063\u3066v-else\u3060\u3063\u305f\u308atemplate\u306b\u3088\u308b\u8907\u6570\u884c\u306e\u6761\u4ef6\u5206\u5c90\u306e\u69cb\u6587\u306f\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/strong><\/span><\/p>\n<p>\u306a\u304a\u3001v-if\u306etemplate\u306fv-show\u3067\u306f\u4f7f\u3048\u306a\u3044\u306e\u3067\u6ce8\u610f\u3067\u3059\uff01<\/p>\n<h3>\u69cb\u6587<\/h3>\n<pre class=\"lang:default decode:true\">&lt;\u8981\u7d20\u540d v-show=\"\u6761\u4ef6\u5f0f\"&gt;\u51fa\u529b\u5185\u5bb9&lt;\/\u8981\u7d20\u540d&gt;\r\n<\/pre>\n<h2>v-if\u3068v-show\u306e\u4f7f\u3044\u5206\u3051<\/h2>\n<h3>v-if\u3092\u4f7f\u3046\u5834\u5408<\/h3>\n<p><span style=\"color: #ff0000;\"><strong>\u521d\u671f\u8868\u793a\u306e\u307f\u3057\u304b\u8868\u793a\u3001\u975e\u8868\u793a\u306e\u5224\u5b9a\u304c\u884c\u308f\u308c\u306a\u3044\u5834\u5408<\/strong><\/span>\u306a\u3089\u4f59\u8a08\u306aDOM\u3092\u8868\u793a\u3057\u306a\u304f\u3066\u3082\u6e08\u3080\u306e\u3067\u3053\u3061\u3089\u3092\u4f7f\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u8868\u793a\u3055\u308c\u305f\u30da\u30fc\u30b8\u306e\u4e2d\u3067\u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u304b\u3057\u3089\u306e\u64cd\u4f5c\u3092\u884c\u3063\u3066\u3082\u30c7\u30fc\u30bf\u72b6\u614b\u304c\u5909\u308f\u3089\u306a\u3044\u5834\u5408\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u983b\u7e41\u306b\u5207\u308a\u66ff\u3048\u304c\u767a\u751f\u3057\u306a\u3044\u72b6\u6cc1\u3058\u3083\u306a\u304f\u3069\u3061\u3089\u3067\u3082\u826f\u3044\u3068\u3044\u3046\u5834\u5408\u3067\u3082\u3001v-show\u306ftemplete\u69cb\u6587\u304c\u4f7f\u3048\u306a\u304f\u5c11\u3057\u8a18\u8ff0\u304c\u5197\u9577\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067v-if\u306e\u65b9\u3092\u512a\u5148\u7684\u306b\u4f7f\u3063\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>v-show\u3092\u4f7f\u3046\u5834\u5408<\/h3>\n<p><span style=\"color: #ff0000;\"><strong>\u30bf\u30d6\u5207\u308a\u66ff\u3048\u7b49\u306eDOM\u306e\u66f4\u65b0\u304c\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u5834\u5408<\/strong><\/span>\u306f\u3053\u3061\u3089\u3092\u4f7f\u3044\u307e\u3059\u3002\u306a\u305c\u306a\u3089DOM\u306e\u66f4\u65b0\uff08\u30ce\u30fc\u30c9\u306e\u8ffd\u52a0\u3084\u524a\u9664\uff09\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u3068\u3063\u3066\u8ca0\u62c5\u306e\u5927\u304d\u3044\u30bf\u30b9\u30af\u306b\u306a\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u975e\u8868\u793a\u6642\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3057\u305f\u3044\u5834\u5408\u3067\u3082v-if\u3067\u306f\u306a\u304fv-show\u3092\u4f7f\u3063\u305f\u65b9\u304c\u826f\u3044\u3067\u3059\u3002\uff08\u3068\u3044\u3046\u304b\u4f7f\u308f\u3056\u308b\u304a\u3048\u306a\u3044\u3067\u3059\u3002\uff09<\/p>\n<p>\u6614\u306e\u30d6\u30e9\u30a6\u30b6(IE\u3084\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306eSafari)\u306a\u3069\u306fdisplay\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u4e00\u90e8\u3061\u3083\u3093\u3068\u52d5\u4f5c\u3057\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u5207\u308a\u66ff\u3048\u3092\u884c\u3046\u5834\u5408\u306fv-show\u3092\u4f7f\u3046\u3057\u304b\u306a\u304b\u3063\u305f\u3088\u3046\u3067\u3059\u304c\u3001\u73fe\u5728\u306fIE\u306f\u30b5\u30dd\u30fc\u30c8\u5207\u308c\u3067\u3059\u3057\u554f\u984c\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"v-if \u6761\u4ef6\u306b\u3088\u3063\u3066\u51fa\u529b\u3055\u305b\u308b\u304b\u3055\u305b\u306a\u3044\u304b\u306e\u5207\u308a\u66ff\u3048\u304c\u3067\u304d\u307e\u3059\u3002 \u69cb\u6587 1\u6587\u306e\u307f &lt;\u8981\u7d20\u540d v-if=\"\u6761\u4ef6\u5f0f1\"&gt;\u51fa\u529b\u5185\u5bb9&lt;\/\u8981\u7d20\u540d&gt; &lt;\u8981\u7d20\u540d v-else-if=\"\u6761\u4ef6\u5f0f2\"&gt; [&hellip;]","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\/9933"}],"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=9933"}],"version-history":[{"count":4,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/9933\/revisions"}],"predecessor-version":[{"id":19543,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/9933\/revisions\/19543"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9933"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}