\u304b\u3064\u3066\u306fAPI\u30ea\u30af\u30a8\u30b9\u30c8\u306bXMLHttpRequest\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001Promise\u304c\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001\u304d\u308c\u3044\u306aJavaScript\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002jQuery\u3092\u4f7f\u3048\u3070\u3001\u3088\u308a\u30af\u30ea\u30fc\u30f3\u306ajQuery.ajax()\u69cb\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002.<\/p>\n
JavaScript \u306b\u306f\u3001API \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u305f\u3081\u306e\u72ec\u81ea\u306e\u7d44\u307f\u8fbc\u307f\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f Fetch API \u3068\u547c\u3070\u308c\u3001Promise \u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u305f\u3081\u306e\u65b0\u3057\u3044\u6a19\u6e96\u3067\u3059\u304c\u3001\u8ffd\u52a0\u6a5f\u80fd\u3082\u5099\u3048\u3066\u3044\u307e\u3059\u3002.<\/p>\n
\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Fetch API \u3092\u4f7f\u7528\u3057\u3066 GET \u30ea\u30af\u30a8\u30b9\u30c8\u3068 POST \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4e21\u65b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002.<\/p>\n
Fetch API \u3092\u4f7f\u7528\u3059\u308b 1 \u3064\u306e\u65b9\u6cd5\u306f\u3001fetch() API URL \u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u3067\u3059\u3002<\/p>\n
fetch(url)\r\n<\/code><\/pre>\n<\/div>\nfetch() \u30e1\u30bd\u30c3\u30c9\u306f Promise \u3092\u8fd4\u3057\u307e\u3059\u3002fetch() \u30e1\u30bd\u30c3\u30c9\u306e\u5f8c\u306b\u3001Promise \u30e1\u30bd\u30c3\u30c9 then() \u3092\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n
\nfetch(url)\r\n.then(function() {\r\n\/\/ handle the response\r\n})<\/code><\/pre>\n<\/div>\n\u8fd4\u3055\u308c\u305fPromise\u304c\u89e3\u6c7a\u3055\u308c\u305f\u5834\u5408\u3001then()\u30e1\u30bd\u30c3\u30c9\u5185\u306e\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306b\u306f\u3001API\u304b\u3089\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n
then() \u30e1\u30bd\u30c3\u30c9\u306e\u5f8c\u306b catch() \u30e1\u30bd\u30c3\u30c9\u3092\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n
\nfetch(url)\r\n.then(function() {\r\n\/\/ handle the response\r\n})\r\n.catch(function() {\r\n\/\/ handle the error\r\n});<\/code><\/pre>\n<\/div>\nfetch() \u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3057\u305f API \u304c\u58ca\u308c\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u62d2\u5426\u3055\u308c\u305f Promise \u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u62d2\u5426\u306e\u51e6\u7406\u306b\u306f catch \u30e1\u30bd\u30c3\u30c9\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002API \u306e\u547c\u3073\u51fa\u3057\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001catch() \u5185\u306e\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002.<\/p>\n
Fetch API \u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u69cb\u6587\u3092\u7406\u89e3\u3057\u305f\u3089\u3001\u5b9f\u969b\u306e API \u3067 fetch() \u3092\u4f7f\u7528\u3059\u308b\u624b\u9806\u306b\u9032\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n
\u30b9\u30c6\u30c3\u30d72 \u2013 Fetch\u3092\u4f7f\u7528\u3057\u3066API\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u306fJSONPlaceholder API\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u306eAPI\u3092\u4f7f\u7528\u3057\u306610\u4eba\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u53d6\u5f97\u3057\u3001JavaScript\u3067\u30da\u30fc\u30b8\u306b\u8868\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001JSONPlaceholder API\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3001\u8457\u8005\u30ea\u30b9\u30c8\u306e\u30ea\u30b9\u30c8\u9805\u76ee\u306b\u8868\u793a\u3057\u307e\u3059\u3002.<\/p>\n
\u307e\u305a\u3001HTML \u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30bf\u30a4\u30c8\u30eb\u3068\u8457\u8005 ID \u3092\u542b\u3080\u9806\u5e8f\u306a\u3057\u30ea\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\n<h1>Authors<\/h1>\r\n<ul id=\"authors\"><\/ul><\/code><\/pre>\n<\/div>\nHTML\u30d5\u30a1\u30a4\u30eb\u306e\u672b\u5c3e\u306bscript\u30bf\u30b0\u3092\u8ffd\u52a0\u3057\u3001DOM\u30bb\u30ec\u30af\u30bf\u30fc\u3092\u4f7f\u3063\u3066ul\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002getElementById\u3092\u4f7f\u7528\u3057\u3001\u5f15\u6570\u3068\u3057\u3066authors\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\n<h1>Authors<\/h1>\r\n<ul id=\"authors\"><\/ul>\r\n<script>\r\nconst ul = document.getElementById('authors');\r\n<\/script><\/code><\/pre>\n<\/div>\n\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3001\u524d\u306e ul id \u306f\u8457\u8005\u304c\u4f5c\u6210\u3057\u305f\u3082\u306e\u3067\u3059\u3002.<\/p>\n
\u6b21\u306b\u3001DocumentFragment \u3067\u3042\u308b\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nconst list = document.createDocumentFragment();\r\n<\/script><\/code><\/pre>\n<\/div>\n\u6dfb\u4ed8\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30ea\u30b9\u30c8\u9805\u76ee\u304c\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002DocumentFragment\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30c4\u30ea\u30fc\u69cb\u9020\u306e\u4e00\u90e8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e2\u30c7\u30eb\u304c\u5909\u66f4\u3055\u308c\u3066\u3082\u518d\u63cf\u753b\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u304c\u306a\u3044\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n
\u30e9\u30f3\u30c0\u30e0\u306b 10 \u4eba\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059 API URL \u3092\u4fdd\u6301\u3059\u308b url \u3068\u3044\u3046\u5b9a\u6570\u5909\u6570\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nconst url = 'https:\/\/jsonplaceholder.typicode.com\/users';\r\n<\/script><\/code><\/pre>\n<\/div>\n\u3053\u3053\u3067\u3001Fetch API \u3092\u4f7f\u7528\u3057\u3066\u3001URL \u3092\u5f15\u6570\u3068\u3057\u3066 fetch() \u3067 JSONPlaceholder API \u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n<\/script><\/code><\/pre>\n<\/div>\nFetch API\u3092\u547c\u3073\u51fa\u3057\u3001URL\u3092JSONPlaceholder API\u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002\u3059\u308b\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u53d7\u3051\u53d6\u308b\u30ec\u30b9\u30dd\u30f3\u30b9\u306fJSON\u3067\u306f\u306a\u304f\u3001\u60c5\u5831\u306e\u51e6\u7406\u65b9\u6cd5\u306b\u5fdc\u3058\u3066\u4f7f\u7528\u3067\u304d\u308b\u4e00\u9023\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u8fd4\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092JSON\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001json()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/p>\n
response \u3068\u3044\u3046\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6301\u3064\u95a2\u6570\u3092\u542b\u3080 then() \u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {})\r\n<\/script><\/code><\/pre>\n<\/div>\n\u30ec\u30b9\u30dd\u30f3\u30b9\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001fetch(url) \u304b\u3089\u8fd4\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5024\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u30ec\u30b9\u30dd\u30f3\u30b9\u3092 JSON \u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001json() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n<\/script><\/code><\/pre>\n<\/div>\nJSON\u30c7\u30fc\u30bf\u306f\u307e\u3060\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002data\u3068\u3044\u3046\u5f15\u6570\u3092\u53d6\u308b\u95a2\u6570\u3092\u542b\u3080then()\u6587\u3092\u3082\u3046\u4e00\u3064\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {})\r\n<\/script><\/code><\/pre>\n<\/div>\n\u3053\u306e\u95a2\u6570\u3067\u306f\u3001\u30c7\u30fc\u30bf\u3068\u540c\u3058\u306b\u8a2d\u5b9a\u3055\u308c\u308b author \u3068\u3044\u3046\u5909\u6570\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {\r\nlet authors = data;\r\n})\r\n<\/script><\/code><\/pre>\n<\/div>\nauthors \u306e\u5404\u8457\u8005\u306b\u3064\u3044\u3066\u3001\u540d\u524d\u3092\u8868\u793a\u3059\u308b\u30ea\u30b9\u30c8\u9805\u76ee\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u306f map() \u30e1\u30bd\u30c3\u30c9\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {\r\nlet authors = data;\r\nauthors.map(function(author) {\r\n});\r\n})\r\n<\/script><\/code><\/pre>\n<\/div>\nmap\u95a2\u6570\u3067\u3001li\u3068\u3044\u3046\u5909\u6570\u3092\u4f5c\u6210\u3057\u3001createElement\u306bli\uff08HTML\u8981\u7d20\uff09\u3092\u5f15\u6570\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u540d\u524d\u7528\u306eh2\u8981\u7d20\u3068\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u7528\u306espan\u8981\u7d20\u3082\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {\r\nlet authors = data;\r\nauthors.map(function(author) {\r\nlet li = document.createElement('li');\r\nlet name = document.createElement('h2');\r\nlet email = document.createElement('span');\r\n});\r\n})\r\n<\/script><\/code><\/pre>\n<\/div>\nh2\u8981\u7d20\u306b\u306f\u8457\u8005\u540d\u3001span\u8981\u7d20\u306b\u306f\u8457\u8005\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002innerHTML\u5c5e\u6027\u3068\u6587\u5b57\u5217\u5c55\u958b\u306b\u3088\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {\r\nlet authors = data;\r\nauthors.map(function(author) {\r\nlet li = document.createElement('li');\r\nlet name = document.createElement('h2');\r\nlet email = document.createElement('span');\r\nname.innerHTML = `${author.name}`;\r\nemail.innerHTML = `${author.email}`;\r\n});\r\n})\r\n<\/script><\/code><\/pre>\n<\/div>\n\u6b21\u306b\u3001appendChild \u3092\u4f7f\u7528\u3057\u3066\u6b21\u306e DOM \u8981\u7d20\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {\r\nlet authors = data;\r\nauthors.map(function(author) {\r\nlet li = document.createElement('li');\r\nlet name = document.createElement('h2');\r\nlet email = document.createElement('span');\r\nname.innerHTML = `${author.name}`;\r\nemail.innerHTML = `${author.email}`;\r\nli.appendChild(name);\r\nli.appendChild(email);\r\nlist.appendChild(li);\r\n});\r\n})\r\nul.appendChild(list);\r\n<\/script><\/code><\/pre>\n<\/div>\n\u5404\u30ea\u30b9\u30c8\u9805\u76ee\u304cDocumentFragment\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30de\u30c3\u30d7\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30ea\u30b9\u30c8\u306ful\u9806\u5e8f\u306a\u3057\u30ea\u30b9\u30c8\u8981\u7d20\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002.<\/p>\n
\u4e21\u65b9\u306ethen()\u95a2\u6570\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001catch()\u95a2\u6570\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30a8\u30e9\u30fc\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n
\n<script>\r\n\/\/ ...\r\nfetch(url)\r\n.then((response) => {\r\n\/\/ ...\r\n})\r\n.then((data) => {\r\n\/\/ ...\r\n})\r\n.catch(function(error) {\r\nconsole.log(error);\r\n});\r\n\/\/ ...\r\n<\/script><\/code><\/pre>\n<\/div>\n\u4f5c\u6210\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\n<h1>Authors<\/h1>\r\n<ul id=\"authors\"><\/ul>\r\n<script>\r\nconst ul = document.getElementById('authors');\r\nconst list = document.createDocumentFragment();\r\nconst url = 'https:\/\/jsonplaceholder.typicode.com\/users';\r\nfetch(url)\r\n.then((response) => {\r\nreturn response.json();\r\n})\r\n.then((data) => {\r\nlet authors = data;\r\nauthors.map(function(author) {\r\nlet li = document.createElement('li');\r\nlet name = document.createElement('h2');\r\nlet email = document.createElement('span');\r\nname.innerHTML = `${author.name}`;\r\nemail.innerHTML = `${author.email}`;\r\nli.appendChild(name);\r\nli.appendChild(email);\r\nlist.appendChild(li);\r\n});\r\n}).\r\n.catch(function(error) {\r\nconsole.log(error);\r\n});\r\nul.appendChild(list);\r\n<\/script><\/code><\/pre>\n<\/div>\nJSONPlaceholder API\u3068Fetch API\u3092\u4f7f\u7528\u3057\u3066GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3067\u304d\u307e\u3057\u305f\u3002\u6b21\u306fPOST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002.<\/p>\n
\u30b9\u30c6\u30c3\u30d73 \u2013 POST\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406<\/h2>\n
Fetch \u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 GET \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u4ed6\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u30bf\u30a4\u30d7\u3082\u4f7f\u7528\u3067\u304d\u3001\u30d8\u30c3\u30c0\u30fc\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002.<\/p>\n
\u307e\u305a\u3001JSONPlaceholder API \u3078\u306e\u30ea\u30f3\u30af\u3092\u4fdd\u6301\u3059\u308b\u5b9a\u6570\u5909\u6570\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\nconst url = 'https:\/\/jsonplaceholder.typicode.com\/users';\r\n<\/code><\/pre>\n<\/div>\n\u6b21\u306b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8a2d\u5b9a\u3057\u3001fetch\u95a2\u6570\u306e2\u756a\u76ee\u306e\u5f15\u6570\u3068\u3057\u3066\u6e21\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ad\u30fc\u540d\u304cSammy\uff08\u307e\u305f\u306f\u3042\u306a\u305f\u306e\u540d\u524d\uff09\u3067\u3001\u5024\u304c\u4ee5\u4e0b\u306edata\u3068\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n
\n\/\/ ...\r\nlet data = {\r\nname: 'Sammy'\r\n}<\/code><\/pre>\n<\/div>\n\u3053\u308c\u306fPOST\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u306e\u3067\u3001\u660e\u793a\u7684\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002fetchData\u3068\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n\/\/ ...\r\nlet fetchData = {\r\n}<\/code><\/pre>\n<\/div>\n\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001method\u3001body\u3001header \u306e 3 \u3064\u306e\u30ad\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\n\/\/ ...\r\nlet fetchData = {\r\nmethod: 'POST',\r\nbody: JSON.stringify(data),\r\nheaders: new Headers({\r\n'Content-Type': 'application\/json; charset=UTF-8'\r\n})\r\n}<\/code><\/pre>\n<\/div>\n\u30e1\u30bd\u30c3\u30c9\u30ad\u30fc\u306e\u5024\u306f\u300cPOST\u300d\u306b\u306a\u308a\u307e\u3059\u3002\u30dc\u30c7\u30a3\u306f\u3001\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306eJSON.stringify\u5f62\u5f0f\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u306e\u5024\u306f\u300cContent-Type\u300d: \u300capplication\/json; charset=UTF-8\u300d\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n
Headers \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001HTTP \u30ea\u30af\u30a8\u30b9\u30c8 \u30d8\u30c3\u30c0\u30fc\u3068\u30ec\u30b9\u30dd\u30f3\u30b9 \u30d8\u30c3\u30c0\u30fc\u306b\u5bfe\u3057\u3066\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u308b Fetch API \u306e\u6a5f\u80fd\u3067\u3059\u3002.<\/p>\n
\u3053\u306e\u30b3\u30fc\u30c9\u3092\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001Fetch API \u3092\u4f7f\u7528\u3057\u305f POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002URL\u3001fetchData\u3001\u304a\u3088\u3073\u5f15\u6570\u3092 Fetch POST \u30ea\u30af\u30a8\u30b9\u30c8\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\n\/\/ ...\r\nfetch(url, fetchData)<\/code><\/pre>\n<\/div>\nthen() \u95a2\u6570\u306b\u306f\u3001JSONPlaceholder API \u304b\u3089\u53d7\u4fe1\u3057\u305f\u5fdc\u7b54\u3092\u51e6\u7406\u3059\u308b\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n\/\/ ...\r\nfetch(url, fetchData)\r\n.then(function() {\r\n\/\/ Handle response you get from the API\r\n});<\/code><\/pre>\n<\/div>\n\u4f5c\u6210\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\nconst url = 'https:\/\/jsonplaceholder.typicode.com\/users';\r\nlet data = {\r\nname: 'Sammy'\r\n}\r\nlet fetchData = {\r\nmethod: 'POST',\r\nbody: JSON.stringify(data),\r\nheaders: new Headers({\r\n'Content-Type': 'application\/json; charset=UTF-8'\r\n})\r\n}\r\nfetch(url, fetchData)\r\n.then(function() {\r\n\/\/ Handle response you get from the API\r\n});<\/code><\/pre>\n<\/div>\nfetch() \u3092 Request \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u6e21\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002.<\/p>\n
\nconst url = 'https:\/\/jsonplaceholder.typicode.com\/users';\r\nlet data = {\r\nname: 'Sammy'\r\n}\r\nlet request = new Request(url, {\r\nmethod: 'POST',\r\nbody: JSON.stringify(data),\r\nheaders: new Headers({\r\n'Content-Type': 'application\/json; charset=UTF-8'\r\n})\r\n});\r\nfetch(request)\r\n.then(function() {\r\n\/\/ Handle response you get from the API\r\n});<\/code><\/pre>\n<\/div>\n\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001url \u3068 fetchData \u306e\u4ee3\u308f\u308a\u306b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092 fetch() \u306e\u552f\u4e00\u306e\u5f15\u6570\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002.<\/p>\n
\u3053\u308c\u3067\u3001Fetch API \u3092\u4f7f\u7528\u3057\u3066 POST \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u5b9f\u884c\u3059\u308b 2 \u3064\u306e\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002.<\/p>\n
\u7d50\u679c<\/h2>\n
Fetch API \u306f\u307e\u3060\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001XMLHttpRequest \u306e\u512a\u308c\u305f\u4ee3\u66ff\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"\u5c0e\u5165\u306f\u3001XMLHttpRequest \u304c API \u30ea\u30af\u30a8\u30b9\u30c8\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u305f\u9803\u3067\u3057\u305f\u3002Promise \u306f\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u2026","protected":false},"author":1,"featured_media":16676,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Fetch API","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_focuskeywords":"[]","_yoast_wpseo_primary_category":"193","footnotes":""},"categories":[193,363],"tags":[384,435],"class_list":{"0":"post-16673","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials","8":"category-programming","9":"tag-java-script","10":"tag-programming"},"yoast_head":"\n
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