{"id":89952,"date":"2021-10-07T15:20:18","date_gmt":"2021-10-07T07:20:18","guid":{"rendered":"http:\/\/www.zhushiyao.com\/?p=89952"},"modified":"2021-10-16T18:03:08","modified_gmt":"2021-10-16T10:03:08","slug":"javascript-js%e4%b8%ad%e7%9a%84%e7%ae%ad%e5%a4%b4%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.zhushiyao.com\/?p=89952","title":{"rendered":"javascript js\u4e2d\u7684\u7bad\u5934\u51fd\u6570 =>"},"content":{"rendered":"\n<p> \u7bad\u5934\u51fd\u6570\u8868\u8fbe\u5f0f\u66f4\u9002\u7528\u4e8e\u90a3\u4e9b\u672c\u6765\u9700\u8981\u533f\u540d\u51fd\u6570\u7684\u5730\u65b9\uff0c\u5e76\u4e14\u5b83\u4e0d\u80fd\u7528\u4f5c\u6784\u9020\u51fd\u6570\u3002<\/p>\n\n\n\n<p> \u7bad\u5934\u51fd\u6570\u6709\u4e24\u79cd\u683c\u5f0f\uff0c\u4e00\u79cd \u53ea\u5305\u542b\u4e00\u4e2a\u8868\u8fbe\u5f0f\uff0c\u8fde<code>{ ... }<\/code>\u548c<code>return<\/code>\u90fd\u7701\u7565\u6389\u4e86\u3002\u8fd8\u6709\u4e00\u79cd\u53ef\u4ee5\u5305\u542b\u591a\u6761\u8bed\u53e5\uff0c\u8fd9\u65f6\u5019\u5c31\u4e0d\u80fd\u7701\u7565<code>{ ... }<\/code>\u548c<code>return<\/code>\uff1a  <\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">(param1, param2, \u2026, paramN) =&gt; { statements }\n(param1, param2, \u2026, paramN) =&gt; expression\n\/\/\u76f8\u5f53\u4e8e\uff1a(param1, param2, \u2026, paramN) =&gt;{ return expression; }\n\n\/\/ \u5f53\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\u65f6\uff0c<strong>\u5706\u62ec\u53f7<\/strong>\u662f\u53ef\u9009\u7684\uff1a\n(singleParam) =&gt; { statements }\nsingleParam =&gt; { statements }\n\n\/\/ \u6ca1\u6709\u53c2\u6570\u7684\u51fd\u6570\u5e94\u8be5\u5199\u6210\u4e00\u5bf9\u5706\u62ec\u53f7\u3002\n() =&gt; { statements }\n<\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u52a0\u62ec\u53f7\u7684\u51fd\u6570\u4f53\u8fd4\u56de\u5bf9\u8c61\u5b57\u9762\u91cf\u8868\u8fbe\u5f0f\uff1a\nparams => ({foo: bar})\n\n\/\/\u652f\u6301\u5269\u4f59\u53c2\u6570\u548c\u9ed8\u8ba4\u53c2\u6570\n(param1, param2, ...rest) => { statements }\n(param1 = defaultValue1, param2, \u2026, paramN = defaultValueN) => {\nstatements }\n\n\/\/\u540c\u6837\u652f\u6301\u53c2\u6570\u5217\u8868\u89e3\u6784\nlet f = ([a, b] = [1, 2], {x: c} = {x: a + b}) => a + b + c;\nf();  \/\/ 6<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u53c2\u8003\uff1ahttps:\/\/segmentfault.com\/a\/1190000020134330<\/p>\n\n\n\n<p> https:\/\/www.liaoxuefeng.com\/wiki\/1022910821149312\/1031549578462080<\/p>\n\n\n\n<p> https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/JavaScript\/Reference\/Functions\/Arrow_functions<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7bad\u5934\u51fd\u6570\u8868\u8fbe\u5f0f\u66f4\u9002\u7528\u4e8e\u90a3\u4e9b\u672c\u6765\u9700\u8981\u533f\u540d\u51fd\u6570\u7684\u5730\u65b9\uff0c\u5e76\u4e14\u5b83\u4e0d\u80fd\u7528\u4f5c\u6784\u9020\u51fd\u6570\u3002 \u7bad\u5934\u51fd\u6570\u6709\u4e24\u79cd\u683c\u5f0f\uff0c\u4e00\u79cd \u53ea\u5305\u542b\u4e00 &hellip; <a href=\"http:\/\/www.zhushiyao.com\/?p=89952\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cjavascript js\u4e2d\u7684\u7bad\u5934\u51fd\u6570 =>\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[784,1298],"_links":{"self":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/89952"}],"collection":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89952"}],"version-history":[{"count":4,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/89952\/revisions"}],"predecessor-version":[{"id":89959,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=\/wp\/v2\/posts\/89952\/revisions\/89959"}],"wp:attachment":[{"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89952"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhushiyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}