{"id":9955,"date":"2018-10-01T09:00:55","date_gmt":"2018-10-01T00:00:55","guid":{"rendered":"https:\/\/www.agent-grow.com\/self20percent\/?p=9955"},"modified":"2018-09-26T13:41:19","modified_gmt":"2018-09-26T04:41:19","slug":"hello-web-components-world-custom-elements","status":"publish","type":"post","link":"https:\/\/www.agent-grow.com\/self20percent\/2018\/10\/01\/hello-web-components-world-custom-elements\/","title":{"rendered":"Web Components \u306e\u4e16\u754c\u3092\u958b\u3053\u3046\uff01 ~ Custom Elements \u7de8 ~"},"content":{"rendered":"<h1>Web Components!<\/h1>\n<p>\u3053\u3093\u306b\u3061\u306f\uff01<br \/>\n\u6c5f\u5d5c\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u5c11\u3057\u524d\u304b\u3089\u76db\u308a\u4e0a\u304c\u308a\u305d\u3046\u306a\u96f0\u56f2\u6c17\u3092\u304b\u3082\u3057\u7d9a\u3051\u3066\u3044\u308b\u3001 Web Components \u306b\u3064\u3044\u3066\u53d6\u308a\u6271\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<p>\u8efd\u304f Web Components \u304c\u4f55\u305e\u3084\u3068\u3044\u3046\u304a\u8a71\u3092\u3057\u307e\u3059\u3068\u3001<\/p>\n<ul>\n<li>Web \u306e\u4e16\u754c\u3067<\/li>\n<li>\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u305f\u8981\u7d20\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u3057\u3066<\/li>\n<li>\u518d\u5229\u7528\u53ef\u80fd\u306a\u8981\u7d20\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067<\/li>\n<li>\u5206\u304b\u308a\u3084\u3059\u3044 Web \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u73fe\u3059\u308b API<\/li>\n<\/ul>\n<p>\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3059\u306d\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u300c\u30a2\u30d7\u30ea\u3092\u4f5c\u308b\u3068\u304d\u306b\u3001\u5168\u4f53\u3092\u4e00\u6c17\u306b\u4f5c\u308b\u3093\u3058\u3083\u306a\u304f\u3066\u90e8\u54c1\u3054\u3068\u306b\u4f5c\u308c\u305f\u3089\u697d\u3058\u3083\u306d\uff1f\u300d\u307f\u305f\u3044\u306a\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n<p>\u3053\u306e Web Components \u306f 2018 \u5e74 9 \u6708\u73fe\u5728\u306f\u3055\u3089\u306b<\/p>\n<ul>\n<li>Custom Elements<\/li>\n<li>Shadow DOM<\/li>\n<li>HTML Templates<\/li>\n<li>ES Modules<\/li>\n<li>HTML Module<\/li>\n<\/ul>\n<p>\u306e\u3001 5 \u3064\u306e\u4ed5\u69d8\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001\u3053\u306e\u4e2d\u304b\u3089\u3001\u6700\u3082\u6838\u306b\u306a\u308b Custom Elements \u306b\u3064\u3044\u3066\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n<h1>Custom Elements \u3068\u306f\u4f55\u305e\u3084\uff1f<\/h1>\n<p>Custom Elements\u3001\u65e5\u672c\u8a9e\u306b\u3059\u308b\u3068\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u30fb\u72ec\u81ea\u8981\u7d20\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3059\u306d\u3002<br \/>\n(\u4ee5\u4e0b\u3001\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3068\u547c\u3073\u307e\u3059)<\/p>\n<p>HTML \u3067\u8a00\u3046\u3068\u3053\u308d\u306e\u8981\u7d20\u3068\u3044\u3046\u306e\u306f <code>\uff1ch1\uff1e<\/code> \u306e\u3088\u3046\u306a\u3001\u30bf\u30b0\u306e\u4e8b\u3067\u3059\u3002<\/p>\n<p>h1 \u306e\u3088\u3046\u306b\u5b9a\u3081\u3089\u308c\u3066\u3044\u308b\u8981\u7d20\u3060\u3051\u3067 Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308d\u3046\u3068\u3059\u308b\u3068\u3001\u3069\u3046\u3057\u3066\u3082 <code>div<\/code> (\u610f\u5473\u3092\u6301\u305f\u306a\u3044\u3001CSS \u3084 JS \u3067\u306e\u5236\u5fa1\u3092\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306e\u8981\u7d20) \u306a\u3069\u304c\u591a\u304f\u306a\u3063\u3066\u3001\u30bd\u30fc\u30b9\u304c\u898b\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b7\u30f3\u30d7\u30eb\u306b\u898b\u3048\u308b Google \u306e\u30da\u30fc\u30b8\u3067\u3082\u3001\u958b\u767a\u8005\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u898b\u308b\u3068 div \u3060\u3089\u3051\u3067\u3059\u306d\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9990\" data-permalink=\"https:\/\/www.agent-grow.com\/self20percent\/2018\/10\/01\/hello-web-components-world-custom-elements\/%e7%84%a1%e9%a1%8c-12\/\" data-orig-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2.png\" data-orig-size=\"800,521\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u7121\u984c\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2-300x195.png\" data-large-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2.png\" src=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2.png\" alt=\"\" width=\"800\" height=\"521\" class=\"alignnone size-full wp-image-9990\" srcset=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2.png 800w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2-300x195.png 300w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-2-768x500.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u3053\u3046\u3044\u3063\u305f\u554f\u984c\u306b\u5bfe\u3057\u3066\u3001\u5206\u304b\u308a\u3084\u3059\u304f\u90e8\u54c1\u5316\u3057\u3001\u90e8\u54c1\u3092\u518d\u5229\u7528\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u72ec\u81ea\u306e\u30bf\u30b0\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3088\u3046\uff01\u3068\u3044\u3046\u306e\u304c \u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u306a\u306e\u3067\u3059\uff01<\/p>\n<h1>Custom Elements \u306f\u3069\u3046\u3084\u3063\u3066\u8a2d\u5b9a\u3057\u3066\u4f7f\u3046\uff1f<\/h1>\n<h2>\u5b9f\u306f\u8a2d\u5b9a\u306a\u3057\u3067\u3082\u4f7f\u3048\u306a\u304f\u306f\u306a\u3044<\/h2>\n<p>\u5b9f\u306f\u3001\u7279\u5225\u8a2d\u5b9a\u305b\u305a\u3068\u3082\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3092\u4f7f\u7528\u3067\u304d\u306a\u3044\u3001\u3068\u3044\u3046\u4e8b\u306f\u306a\u3044\u306e\u3067\u3059\u3002<br \/>\n\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u3068\u304d\u306e\u30eb\u30fc\u30eb\u3068\u3057\u3066\u4e00\u3064\u3060\u3051\u77e5\u3063\u3066\u304a\u3044\u3066\u3044\u305f\u3060\u304d\u305f\u3044\u306e\u304c\u3001 <strong>\u30bf\u30b0\u540d\u306f\u30cf\u30a4\u30d5\u30f3\u3092\u4e00\u3064\u4ee5\u4e0a\u542b\u3080\u3082\u306e\u306b\u3059\u308b<\/strong> \u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306f\u4eca\u5f8c HTML \u306b\u65b0\u3057\u3044\u30bf\u30b0\u304c\u8ffd\u52a0\u3055\u308c\u305f\u5834\u5408\u306b\u3001\u65e2\u306b\u8ab0\u304b\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u306e\u540d\u524d\u3068\u91cd\u8907\u3057\u306a\u3044\u3088\u3046\u306b\u3067\u3059\u306d\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u7279\u306b\u7279\u5225\u306a\u8a2d\u5b9a\u306a\u3057\u3067\u3001 <code>test-element<\/code> \u3068\u3044\u3046\u540d\u524d\u306e\u30bf\u30b0\u3092\u542b\u3080\u30da\u30fc\u30b8\u3092 Google Chrome \u3067\u8868\u793a\u3057\u3066\u307f\u305f\u7d50\u679c\u3067\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9991\" data-permalink=\"https:\/\/www.agent-grow.com\/self20percent\/2018\/10\/01\/hello-web-components-world-custom-elements\/%e7%84%a1%e9%a1%8c-13\/\" data-orig-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3.png\" data-orig-size=\"800,545\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u7121\u984c\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3-300x204.png\" data-large-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3.png\" src=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3.png\" alt=\"\" width=\"800\" height=\"545\" class=\"alignnone size-full wp-image-9991\" srcset=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3.png 800w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3-300x204.png 300w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-3-768x523.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u666e\u901a\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n<p>\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u898b\u3066\u3044\u305f\u3060\u304f\u3068\u5206\u304b\u308a\u307e\u3059\u304c\u3001\u81ea\u52d5\u7684\u306b <code>HTMLElement<\/code> \u3092\u7d99\u627f\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5373\u3061\u3001 Chrome \u306f\u77e5\u3089\u306a\u3044\u30bf\u30b0\u306b\u3064\u3044\u3066\u3082\u3068\u308a\u3042\u3048\u305a HTML \u306e\u8981\u7d20\u3060\u3068\u5224\u65ad\u3057\u3066\u826f\u3057\u306a\u306b\u51e6\u7406\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u306d\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001 Internet Explorer \u3067\u306f <code>HTMLUnknownElementPrototype<\/code> \u3068\u3044\u3046\u3082\u306e\u304c\u7d99\u627f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9992\" data-permalink=\"https:\/\/www.agent-grow.com\/self20percent\/2018\/10\/01\/hello-web-components-world-custom-elements\/%e7%84%a1%e9%a1%8c1\/\" data-orig-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c.png\" data-orig-size=\"800,445\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u7121\u984c1\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c-300x167.png\" data-large-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c.png\" src=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c.png\" alt=\"\" width=\"800\" height=\"445\" class=\"alignnone size-full wp-image-9992\" srcset=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c.png 800w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c-300x167.png 300w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/1412b7cdb8f1305946c4d4ca7576d38c-768x427.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u7406\u89e3\u3067\u304d\u306a\u3044\u540d\u524d\u306e\u30bf\u30b0\u306b\u3064\u3044\u3066\u3001\u5c02\u7528\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3042\u3066\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u306d\u3002<\/p>\n<h2>\u6b63\u3057\u3044\u8a2d\u5b9a\u306e\u4ed5\u65b9<\/h2>\n<p>\u5148\u7a0b\u306e\u4f8b\u306f\u30d6\u30e9\u30a6\u30b6\u5074\u304c\u3046\u307e\u304f\u51e6\u7406\u3057\u3066\u304f\u308c\u305f\u3068\u306f\u3044\u3048\u3001\u3042\u307e\u308a\u826f\u3044\u8a2d\u5b9a\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u65b0\u3057\u304f\u7528\u610f\u3059\u308b\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u5074\u306b\u6b63\u3057\u304f\u6559\u3048\u3066\u3042\u3052\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<p>\u5e78\u3044\u3001 Web Components \u3067\u306f\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3092\u30d6\u30e9\u30a6\u30b6\u5074\u306b\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u308c\u304c\u3001\u4ee5\u4e0b\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b <code>customElements.define()<\/code> \u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9993\" data-permalink=\"https:\/\/www.agent-grow.com\/self20percent\/2018\/10\/01\/hello-web-components-world-custom-elements\/%e7%84%a1%e9%a1%8c-14\/\" data-orig-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4.png\" data-orig-size=\"800,605\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u7121\u984c\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4-300x227.png\" data-large-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4.png\" src=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4.png\" alt=\"\" width=\"800\" height=\"605\" class=\"alignnone size-full wp-image-9993\" srcset=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4.png 800w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4-300x227.png 300w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4-768x581.png 768w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-4-150x112.png 150w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u65b9\u306b <code>customElements.define()<\/code> \u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001 <code>customElements<\/code> \u306f window \u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3088\u3002<\/p>\n<p>\u5148\u7a0b\u306e\u5b9a\u7fa9\u306a\u3057\u306e\u5834\u5408\u3068\u6bd4\u3079\u3066\u898b\u305f\u76ee\u306b\u9055\u3044\u306f\u306a\u3044\u3067\u3059\u304c\u3001 Web Components \u306e\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u660e\u78ba\u306b\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u65e2\u5b58\u306e\u8981\u7d20\u3092\u7d99\u627f\u3055\u305b\u308b<\/h2>\n<p>\u4e00\u5fdc\u3001\u4e0a\u306e\u65b9\u6cd5\u3060\u3051\u3067\u3082\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u306f\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3001\u4f8b\u3048\u3070\u300c\u72ec\u81ea\u306e\u6319\u52d5\u3092\u3059\u308b\u30dc\u30bf\u30f3\u3092\u90e8\u54c1\u3068\u3057\u3066\u5b9f\u88c5\u3057\u305f\u3044\uff01\u300d\u306a\u3069\u3001\u65e2\u306b\u30d6\u30e9\u30a6\u30b6\u5074\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u8981\u7d20 (\u3053\u306e\u5834\u5408\u306f button) \u3092\u7d99\u627f\u3057\u3066\u3001\u305d\u306e\u4e0a\u306b\u72ec\u81ea\u306e\u30b3\u30fc\u30c9\u3092\u8f09\u305b\u305f\u65b9\u304c\u90fd\u5408\u304c\u3044\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n<p>\u305d\u3046\u3044\u3063\u305f\u3053\u3068\u3082\u7c21\u5358\u306b\u3067\u304d\u3066\u3001\u4f8b\u3048\u3070 \u62bc\u3055\u308c\u305f\u3068\u304d\u306b <code>clicked!<\/code> \u3068\u30ed\u30b0\u306b\u51fa\u529b\u3059\u308b\u30dc\u30bf\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9994\" data-permalink=\"https:\/\/www.agent-grow.com\/self20percent\/2018\/10\/01\/hello-web-components-world-custom-elements\/%e7%84%a1%e9%a1%8c-15\/\" data-orig-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5.png\" data-orig-size=\"800,545\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u7121\u984c\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5-300x204.png\" data-large-file=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5.png\" src=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5.png\" alt=\"\" width=\"800\" height=\"545\" class=\"alignnone size-full wp-image-9994\" srcset=\"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5.png 800w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5-300x204.png 300w, https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/0d40a5e4a645fc6b96e767d64ac0878e-5-768x523.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u3053\u306e\u4f8b\u3067\u306f JavaSctip \u3067\u306e\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0\u30fbHTML \u3078\u306e\u8a18\u8ff0\u306e\u4e8c\u901a\u308a\u3067\u30dc\u30bf\u30f3\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u304c\u3001<br \/>\n\u3069\u3061\u3089\u3082\u3084\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u540c\u3058\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u7d99\u627f\u3057\u305f\u3044\u8981\u7d20 (\u4eca\u56de\u306f HTMLButtonElement ) \u3092\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u4e2d\u306b\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u306e\u6319\u52d5\u7b49\u3092\u8a18\u8ff0\u3059\u308b<\/li>\n<li><code>customElements.define()<\/code> \u3092\u66f8\u304f\u3002\u3053\u306e\u6642\u3001\u7b2c\u4e09\u5f15\u6570\u306b <code>{extends: '\u8981\u7d20\u540d'}<\/code> \u3068\u3057\u3066\u3001\u7d99\u627f\u3059\u308b\u30bf\u30b0\u3092\u660e\u793a\u3059\u308b<\/li>\n<li>\u30bf\u30b0\u3092 HTML \u306b\u8a18\u8ff0\u3059\u308b\u3002\u3053\u306e\u6642\u3001\u30bf\u30b0\u540d\u306f\u7d99\u627f\u3059\u308b\u30bf\u30b0\u306e\u540d\u524d\u3092\u8a2d\u5b9a\u3057\u3001 <code>is<\/code> \u5c5e\u6027\u306b\u81ea\u5206\u3067\u5b9a\u7fa9\u3057\u305f\u30bf\u30b0\u306e\u540d\u524d\u3092\u8a2d\u5b9a\u3059\u308b<\/li>\n<\/ol>\n<p>\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u30bf\u30b0\u306e\u8981\u7d20\u3092\u7d99\u627f\u3057\u305f\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306a\u3069\u306f\u5168\u304f\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u4f5c\u6210\u3057\u305f\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u306b button \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30e0\u8981\u7d20\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\uff01<\/p>\n<h1>\u4eca\u5f8c\u6d3b\u8e8d\u306e\u5834\u304c\u5e83\u307e\u308a\u305d\u3046\u306a Web Components<\/h1>\n<p>Web Components \u306f\u307e\u3060\u65b0\u3057\u3044\u6280\u8853\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u59cb\u3081\u3066\u306f\u3044\u307e\u3059\u304c\u3001\u307e\u3060\u307e\u3060\u767a\u5c55\u9014\u4e0a\u306e\u6280\u8853\u3067\u3059\u3002<br \/>\n\u5b9f\u969b\u306b\u3001Web Components \u306b\u3064\u3044\u3066\u8abf\u3079\u308b\u3068\u3001\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u306e\u306f V1 \u3068\u3044\u3046\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u304c\u3001 V0 \u3068\u3044\u3046\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3064\u3044\u3066\u66f8\u304b\u308c\u305f\u8a18\u4e8b\u3082\u826f\u304f\u691c\u7d22\u306b\u5f15\u3063\u304b\u304b\u3063\u3066\u304d\u307e\u3059\u306d\u3002<\/p>\n<p>\u662f\u975e\u7686\u3055\u3093\u3082\u89e6\u3063\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<br \/>\nWeb \u958b\u767a\u304c\u3068\u3066\u3082\u697d\u306b\u306a\u308b\u53ef\u80fd\u6027\u3092\u79d8\u3081\u3066\u3044\u308b\u6280\u8853\u3067\u3059\u306e\u3067\u3001\u307f\u3093\u306a\u3067\u76db\u308a\u4e0a\u3052\u3066\u3044\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web Components! \u3053\u3093\u306b\u3061\u306f\uff01 \u6c5f\u5d5c\u3067\u3059\u3002 \u4eca\u56de\u306f\u5c11\u3057\u524d\u304b\u3089\u76db\u308a\u4e0a\u304c\u308a\u305d\u3046\u306a\u96f0\u56f2\u6c17\u3092\u304b\u3082\u3057\u7d9a\u3051\u3066\u3044\u308b\u3001 Web Components \u306b\u3064\u3044\u3066\u53d6\u308a\u6271\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01 \u8efd\u304f Web Components \u304c\u4f55 [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":9996,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[354,45,371],"class_list":["post-9955","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-html5","tag-javascript","tag-webcomponents"],"jetpack_featured_media_url":"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/09\/850c7612116999490846136e772ab7fd-2.png","jetpack_shortlink":"https:\/\/wp.me\/p7Bq4F-2Az","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts\/9955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/comments?post=9955"}],"version-history":[{"count":0,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts\/9955\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/media\/9996"}],"wp:attachment":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/media?parent=9955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/categories?post=9955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/tags?post=9955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}