{"id":3805,"date":"2018-07-11T21:58:03","date_gmt":"2018-07-11T12:58:03","guid":{"rendered":"https:\/\/www.ws-meguro.com\/\/?p=3805"},"modified":"2018-07-11T21:58:03","modified_gmt":"2018-07-11T12:58:03","slug":"javascript%e3%81%ae%e7%b7%b4%e7%bf%92%ef%bc%9a%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88","status":"publish","type":"post","link":"https:\/\/www.wsmeguro.jp\/wp\/?p=3805","title":{"rendered":"JavaScript\u306e\u7df4\u7fd2\uff1a\u30a4\u30d9\u30f3\u30c8"},"content":{"rendered":"

\u5143\u30cd\u30bf\u306eMDN\u306f\u3053\u3061\u3089<\/a>\u3002
\n\u6210\u679c\u7269\u306f\u3053\u3061\u3089<\/a>\u3002
\n\u3053\u3053\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u3067\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u306e\u30ad\u30e3\u30c3\u30c1\u65b9\u6cd5\u3068\u304b\u3001\u3069\u3046\u3084\u3063\u3066\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u304b\u306a\u3069\u306e\u8aac\u660e\u3067\u3059\u3002
\n\u500b\u4eba\u7684\u306b\u306f\u3001<body>\u306e\u4e2d\u306b\u3001\u3053\u3046\u3084\u3063\u3066\u30bf\u30a4\u30eb\u72b6\u306b<div>\u3092\u914d\u7f6e\u3067\u304d\u308b\u3053\u3068\u3092\u77e5\u3063\u305f\u9a5a\u304d\u306e\u307b\u3046\u304c\u5927\u304d\u304b\u3063\u305f\u3067\u3059\u3002<\/p>\n

<!-- Learn about this code on MDN: https:\/\/developer.mozilla.org\/ja\/docs\/Learn\/JavaScript\/Building_blocks\/Events -->\r\n\r\n<!DOCTYPE html>\r\n<html>\r\n  <head>\r\n    <meta charset=\"utf-8\">\r\n    <title>Useful event target example<\/title>\r\n    <style>\r\n      div {\r\n        height: 100px;\r\n        width: 25%;\r\n        float: left;\r\n      }\r\n    <\/style>\r\n  <\/head>\r\n  <body>\r\n    <p><button>MSG<\/button><button onclick=\"location.reload()\">reset<\/button><\/p>\r\n    <script>\r\n\t\tvar btn = document.querySelector('button');\r\n\r\n\t\tbtn.addEventListener('click', function() {\r\n  \t\t\talert('Hello, this is one of event handlers.');\r\n\t\t});\r\n\r\n      for (var i = 1; i <= 16; i++) {\r\n        var myDiv = document.createElement('div');\r\n        myDiv.style.backgroundColor = bgChange();\r\n        document.body.appendChild(myDiv);\r\n      }\r\n\r\n      function random(number) {\r\n        return Math.floor(Math.random()*number);\r\n      }\r\n\r\n      function bgChange() {\r\n        var rndCol = 'rgb(' + random(255) + ',' + random(255) + ',' \r\n        + random(255) + ')';\r\n        console.log(rndCol);\r\n        return rndCol;\r\n      }\r\n\r\n      var divs = document.querySelectorAll('div');\r\n\r\n      for (var i = 0; i < divs.length; i++) {\r\n        divs[i].onclick = function(e) {\r\n          e.target.style.backgroundColor = bgChange();\r\n        }\r\n      }\r\n    <\/script>\r\n  <\/body>\r\n<\/html><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5143\u30cd\u30bf\u306eMDN\u306f\u3053\u3061\u3089\u3002 \u6210\u679c\u7269\u306f\u3053\u3061\u3089\u3002 \u3053\u3053\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u3067\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u306e\u30ad\u30e3\u30c3\u30c1\u65b9\u6cd5\u3068\u304b\u3001\u3069\u3046\u3084\u3063\u3066\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u304b\u306a\u3069\u306e\u8aac\u660e\u3067\u3059\u3002 \u500b\u4eba\u7684\u306b\u306f\u3001<body>\u306e\u4e2d\u306b\u3001\u3053\u3046\u3084\u3063\u3066\u30bf\u30a4\u30eb\u72b6\u306b&…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[560],"tags":[576,577,578,558],"class_list":["post-3805","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-body","tag-div","tag-event","tag-javascript"],"_links":{"self":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3805"}],"version-history":[{"count":1,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3805\/revisions"}],"predecessor-version":[{"id":3806,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3805\/revisions\/3806"}],"wp:attachment":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}