{"id":2023,"date":"2020-04-11T14:30:36","date_gmt":"2020-04-11T05:30:36","guid":{"rendered":"http:\/\/wp.ultimai.org\/?p=2023"},"modified":"2022-02-12T19:28:24","modified_gmt":"2022-02-12T10:28:24","slug":"javascript-ec6-usefll","status":"publish","type":"post","link":"https:\/\/wp.ultimai.org\/?p=2023","title":{"rendered":"javascript ec6 \u3088\u304f\u4f7f\u3046\u3084\u3064"},"content":{"rendered":"<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"><code>\r\n\r\n let val = `\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6587\u5b57\u5217\u3068\u306f\r\n  \u30d2\u30a2\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u3088\u3046\u306a\u3082\u306e`;\r\n  console.log(val);\r\n\r\nlet name = '\u5c0f\u5ddd';\r\nlet str  = `My name is ${name}`;\r\nconsole.log(str);\r\n\r\n\/\/\u5206\u5272\u4ee3\u5165\r\nlet [namae,age]=['\u3055\u3055\u304d',35];\r\nconsole.log(namae , age);\r\n\r\n\/\/ js \u306eforeach\u6587\r\nnames = ['sato','ito','goto'];\r\nfor (let value of names){\r\n  console.log(value);\r\n}\r\n\r\n\/\/ \u53ef\u5909\u9577\u5f15\u6570\r\nfunction sum(...prop){\r\n  var t = 0;\r\n  for(let num of prop)\r\n    t += num ;\r\n  return t ;  \r\n}\r\nconsole.log( sum( 2 ,4 ,1 ) );\r\nconsole.log( sum( 2 ,4 ) );\r\n\r\n\/*\r\n\u7121\u540d\u95a2\u6570\u3092\u3064\u304f\u308b\u30a2\u30ed\u30fc\u95a2\u6570 \r\n*\/\r\nvar area = (x,y) => {\r\n  console.log( x * y );\r\n}\r\narea(12,4);\r\n\r\n\/\/ \u4e00\u884c\u306e\u51e6\u7406\u3060\u3051\u306a\u3089{}\u304c\u3044\u3089\u306a\u3044\uff61 \u5f15\u6570\u304c\u4e00\u3064\u306a\u3089()\u3082\u7701\u7565\u53ef \r\nvar squareArea = val => val ** 2\r\n console.log(squareArea(9));\r\n\r\n\r\n\/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u306e\u5206\u5272\u4ee3\u5165\r\n  const mpl={name:'jhon',age:44}\r\n  const{name, age, jender='women'} = mpl;\r\n                  \/\/ jender \u306f\u7121\u3044\u304c\u521d\u671f\u5024\u3092\u5165\u308c\u3089\u308c\u308b\r\n  console.log(name, age, jender);\r\n\r\n\r\n\r\n\r\n\/\/map \u95a2\u6570\r\n  const singers = ['jckei evencho','martina mcbride' ,'aricia keys'];\r\n  \/\/ \u30eb\u30fc\u30d7\u306e\u51e6\u7406\r\n  singers.map( (name) => $('#singer').append(name + '&lt;br>') );\r\n\r\n\r\n\/\/filter \u95a2\u6570\r\n  let country = singers.filter( (name) => {\r\n    return name == 'martina mcbride'; \r\n  });\r\n\r\n    $('#mm').append( country );  \/\/ \u2192 martina mcbride\r\n\r\n\r\n\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>let val = `\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6587\u5b57\u5217\u3068\u306f \u30d2\u30a2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-2023","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=\/wp\/v2\/posts\/2023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2023"}],"version-history":[{"count":3,"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=\/wp\/v2\/posts\/2023\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=\/wp\/v2\/posts\/2023\/revisions\/2115"}],"wp:attachment":[{"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.ultimai.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}