\n
Event<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\nnew Event(eventtype[, option]);\r\n<\/code><\/pre>\n<\/div>\n\u7b2c\u4e00\u5f15\u6570\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u3067\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3092\u6587\u5b57\u5217\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\n- \u65e2\u5b58\u306e\u30a4\u30d9\u30f3\u30c8\u540d\uff1a
'click'<\/code>\u3084'mousedown'<\/code>\u306a\u3069<\/li>\n- \u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u540d\uff1a
'hi'<\/code>\u306a\u3069\u306e\u4efb\u610f\u306e\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u540d<\/li>\n<\/ul>\n\u7b2c\u4e8c\u5f15\u6570\u306f\u3001\u7701\u7565\u53ef\u80fd\u3067\u4ee5\u4e0b\u306e\u5024\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\nbubbles<\/code>\uff1atrue<\/code>\u306e\u5834\u5408\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u30d0\u30d6\u30ea\u30f3\u30b0\u53ef\u80fd\u306b\u3059\u308b<\/li>\ncancelable<\/code>\uff1atrue<\/code>\u306e\u5834\u5408\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u53ef\u80fd\u306b\u3059\u308b<\/li>\n<\/ul>\n\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3069\u3061\u3089\u3082false<\/code>\u3067\u3059\u3002<\/p>\n\u4f8b\u3048\u3070\u3001\u65b0\u3057\u304f\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\nlet event = new Event('click');\r\n<\/code><\/pre>\n<\/div>\n\u30a4\u30d9\u30f3\u30c8\u306e\u5b9f\u884c<\/h2>\n
\u30a4\u30d9\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u5f8c\u3001dispatchEvent<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30a4\u30d9\u30f3\u30c8\u306e\u5b9f\u884c\u3092\u3059\u308b\u3053\u3068\u3067\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\nEventTarget.dispatchEvent(event);\r\n<\/code><\/pre>\n<\/div>\n\u5f15\u6570\u306b\u306f\u3001\u4e0a\u8a18\u3067\u4f5c\u6210\u3057\u305fEvent<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\nlet event = new Event('click');\r\ntarget.dispatchEvent(event);\r\n<\/code><\/pre>\n<\/div>\n\u307e\u305f\u3001\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u3082\u306e\u304b\u3001dispatchEvent<\/code>\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308b\u3082\u306e\u304b\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\nEvent.isTrusted<\/code>\u3092\u53c2\u7167\u3057\u3001\u305d\u306e\u7d50\u679c\u304ctrue<\/code>\u306e\u5834\u5408\u306f\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002JavaScript\u3067\u751f\u6210\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u306ffalse<\/code>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\n<h2>Click buttons<\/h2>\r\n<input id=\"btn1\" type=\"button\" value=\"button1\">\r\n<input id=\"btn2\" type=\"button\" value=\"button2\">\r\n\r\n<script>\r\n let btn1 = document.getElementById('btn1');\r\n let btn2 = document.getElementById('btn2');\r\n\r\n btn1.onclick = (e) => {\r\n console.log('btn1: ' + e.isTrusted);\r\n\r\n let event = new Event('click');\r\n btn2.dispatchEvent(event);\r\n };\r\n\r\n btn2.onclick = (e) => {\r\n console.log('btn2: ' + e.isTrusted);\r\n };\r\n<\/script>\r\n<\/code><\/pre>\n<\/div>\n2\u3064\u306e<input><\/code>\u306b\u5bfe\u3057\u3066\u3001\u3069\u3061\u3089\u3082\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306e\u6307\u5b9a\u304c\u3055\u308c\u3066\u3044\u308b\u306e\u3068\u3001\u30cf\u30f3\u30c9\u30e9\u306e\u4e2d\u3067e.isTrusted<\/code>\u3067\u53c2\u7167\u3067\u304d\u308b\u5024\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\u305d\u306e\u5185btn1<\/code>\u306e\u30cf\u30f3\u30c9\u30e9\u306e\u4e2d\u3067\u306f\u3001btn2<\/code>\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3082\u767a\u751f\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001button1\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001button2\u306e\u30af\u30ea\u30c3\u30af\u3082\u767a\u52d5\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\u3067\u306f\u3001button1\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
![\"eventdispatch_1\"](\"http:\/\/anthem00.xsrv.jp\/2023_new_tcd\/wp-content\/uploads\/2022\/09\/eventdispatch_1.png\")
<\/p>\n
button1\u306e\u30af\u30ea\u30c3\u30af\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u305f\u3081\u3001true<\/code>\u304c\u8fd4\u308a\u307e\u3059\u3002
\n\u4e00\u65b9\u3001button1\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3053\u3068\u306b\u3088\u3063\u3066button2\u306e\u30af\u30ea\u30c3\u30af\u3082\u767a\u52d5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081btn2\u306ffalse<\/code>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\u6b21\u306bbutton2\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
![\"eventdispatch_2\"](\"http:\/\/anthem00.xsrv.jp\/2023_new_tcd\/wp-content\/uploads\/2022\/09\/eventdispatch_2.png\")
<\/p>\n
button2\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u3057\u304b\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001true<\/code>\u306e\u307f\u304c\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\u3053\u306e\u3088\u3046\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u4ee5\u5916\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u5b9f\u884c\u3067\u304d\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8<\/h2>\n
\u65e2\u5b58\u30a4\u30d9\u30f3\u30c8\u3092\u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u72ec\u81ea\u306e\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306f\u3001hi<\/code>\u3068\u8a00\u3046\u540d\u524d\u306e\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u305f\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n<h1>This is H1<\/h1>\r\n<h2 id=\"text\"><\/h2>\r\n\r\n<script>\r\n \/\/ \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\r\n document.addEventListener('hi', (e) => {\r\n console.log('Hi from ' + e.target.tagName);\r\n });\r\n\r\n \/\/ \u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8'hi'\u3092\u4f5c\u6210\u3059\u308b\u969b\u3001\u30d0\u30d6\u30ea\u30f3\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\r\n let event = new Event('hi', {bubbles: true});\r\n let text = document.getElementById('text');\r\n text.dispatchEvent(event);\r\n<\/script>\r\n<\/code><\/pre>\n<\/div>\n![\"eventdispatch_3\"](\"http:\/\/anthem00.xsrv.jp\/2023_new_tcd\/wp-content\/uploads\/2022\/09\/eventdispatch_3.png\")
<\/p>\n
\"Hi from H2\"<\/code>\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3001<h2><\/code>\u3067\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u304cdocument<\/code>\u306b\u4f1d\u642c\u3057\u3001\u305d\u3053\u3067\u8a2d\u5b9a\u3057\u305f\u30cf\u30f3\u30c9\u30e9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\u65e2\u5b58\u30a4\u30d9\u30f3\u30c8\u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3088\u3046\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u88dc\u8db3\u3059\u308b\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u306e\u5834\u5408addEventListener<\/code>\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\u65e2\u5b58\u306e\u30a4\u30d9\u30f3\u30c8\u3067\u3042\u308c\u3070\u3001on<event><\/code>\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u5834\u5408\u3001onhi<\/code>\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u3066\u3082\u52d5\u304b\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n\u307e\u305f\u3001\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u306b\u306f\u3001new CustomEvent()<\/code>\u3092\u4f7f\u3046\u3053\u3068\u3067\u4efb\u610f\u306e\u60c5\u5831\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\nnew CustomEvent(eventtype[, option]);\r\n<\/code><\/pre>\n<\/div>\n\u7b2c\u4e8c\u5f15\u6570\u306b\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067detail<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u305f\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\u4ee5\u4e0b\u306f\u3001\u81ea\u8eab\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3092\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u3067\u8868\u793a\u3055\u305b\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n
\n<h1 id=\"text\">Hi, this is Hanako!<\/h1>\r\n\r\n<script>\r\n \/\/ detail\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b\r\n let event = new CustomEvent('info', {\r\n detail: {\r\n name: 'Hanako Yamada',\r\n city: 'Tokyo', \r\n age: 25,\r\n job: 'Developer' \r\n }\r\n });\r\n\r\n let text = document.getElementById('text');\r\n text.addEventListener('info', (e) => {\r\n console.log('Here is my info');\r\n \/\/ e.detail\u3067\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u60c5\u5831\u306e\u4e00\u89a7\u3092\u53c2\u7167\u3059\u308b\r\n console.log(e.detail);\r\n });\r\n\r\n text.dispatchEvent(event);\r\n<\/script>\r\n<\/code><\/pre>\n<\/div>\n![\"eventdispatch_4\"](\"http:\/\/anthem00.xsrv.jp\/2023_new_tcd\/wp-content\/uploads\/2022\/09\/eventdispatch_4.png\")
<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001detail<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u4efb\u610f\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u7ba1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\nnew CustomEvent()<\/code>\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u3092\u3088\u308a\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u306b\u3082\u6709\u52b9\u3067\u3059\u3002<\/p>\n\u307e\u3068\u3081<\/h2>\n
\u4eca\u56de\u306f\u3001\u65b0\u3057\u3044\u30a4\u30d9\u30f3\u30c8\u306e\u767a\u751f\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n
\n\/\/ \u30dd\u30a4\u30f3\u30c8\r\n* Event\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u65e2\u5b58\u306e\u30a4\u30d9\u30f3\u30c8\u307e\u305f\u306f\u72ec\u81ea\u306e\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u3092\u65b0\u3057\u304f\u4f5c\u6210\u3059\u308b\r\n* dispatchEvent\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u5b9f\u884c\u3059\u308b\r\n* \u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u306e\u5834\u5408\u3001CustomEvent\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u3088\u308a\u8a73\u7d30\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3067\u304d\u308b\r\n<\/code><\/pre>\n<\/div>\n\u5408\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\u30a4\u30d9\u30f3\u30c8\u6982\u8981\u30b7\u30ea\u30fc\u30ba<\/h2>\n
\u7b2c1\u56de\uff1a\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9<\/strong><\/a>
\n\u7b2c2\u56de\uff1a\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc<\/strong><\/a>
\n\u7b2c3\u56de\uff1a\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/strong><\/a>
\n\u7b2c4\u56de\uff1a\u30d0\u30d6\u30ea\u30f3\u30b0\u3068\u30ad\u30e3\u30d7\u30c1\u30e3\u30ea\u30f3\u30b0<\/strong><\/a>
\n\u7b2c5\u56de\uff1aEvent.target\u3068Event.currentTarget<\/strong><\/a>
\n\u7b2c6\u56de\uff1a\u30a4\u30d9\u30f3\u30c8\u79fb\u8b72<\/strong><\/a>
\n\u7b2c7\u56de\uff1a\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u306e\u30ad\u30e3\u30f3\u30bb\u30eb<\/strong><\/a>
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