{"id":12620,"date":"2023-11-28T23:00:50","date_gmt":"2023-11-28T15:00:50","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12620"},"modified":"2023-11-29T22:17:25","modified_gmt":"2023-11-29T14:17:25","slug":"javascript-zhong-shou-dong-shi-xian-array-prototyp","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhong-shou-dong-shi-xian-array-prototyp\/","title":{"rendered":"JavaScript \u4e2d\u624b\u52a8\u5b9e\u73b0 Array.prototype.reduce \u65b9\u6cd5\uff1f"},"content":{"rendered":"<p>\u5f53\u6211\u624b\u52a8\u5b9e\u73b0 <code>Array.prototype.reduce()<\/code> \u65b9\u6cd5\u65f6\uff0c\u6211\u9996\u5148\u786e\u4fdd\u7406\u89e3\u8fd9\u4e2a\u65b9\u6cd5\u7684\u6838\u5fc3\u539f\u7406\uff1a\u5b83\u63a5\u53d7\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u548c\u4e00\u4e2a\u521d\u59cb\u503c\u4f5c\u4e3a\u53c2\u6570\uff0c\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4f9d\u6b21\u6267\u884c\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u8fd4\u56de\u7d2f\u79ef\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u6211\u521b\u5efa\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684 <code>myReduce<\/code> \u65b9\u6cd5\u6765\u6a21\u62df\u8fd9\u4e2a\u529f\u80fd\u3002\u5728\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\uff0c\u6211\u5148\u8fdb\u884c\u4e86\u4e00\u4e9b\u57fa\u7840\u7684\u68c0\u67e5\uff0c\u6bd4\u5982\u786e\u8ba4\u6570\u7ec4\u5b58\u5728\u5e76\u4e14\u56de\u8c03\u51fd\u6570\u662f\u4e00\u4e2a\u6709\u6548\u7684\u51fd\u6570\u7c7b\u578b\u3002\u6211\u8fd8\u8003\u8651\u4e86\u662f\u5426\u63d0\u4f9b\u4e86\u521d\u59cb\u503c\uff0c\u4ee5\u51b3\u5b9a\u7d2f\u79ef\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002<\/p>\n<p>\u968f\u540e\uff0c\u6211\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u9010\u6b65\u66f4\u65b0\u7d2f\u79ef\u7684\u7ed3\u679c\u3002\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\uff0c\u6211\u68c0\u67e5\u4e86\u5143\u7d20\u662f\u5426\u5b58\u5728\u4e8e\u6570\u7ec4\u4e2d\uff0c\u5e76\u5e94\u7528\u4e86\u56de\u8c03\u51fd\u6570\u6765\u66f4\u65b0\u7d2f\u79ef\u503c\u3002<\/p>\n<p>\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u5b9e\u73b0\uff0c\u5e76\u4e0d\u80fd\u8986\u76d6 <code>reduce()<\/code> \u65b9\u6cd5\u7684\u6240\u6709\u7528\u4f8b\u548c\u7279\u6027\u3002\u4f8b\u5982\uff0c\u5b83\u65e0\u6cd5\u6a21\u62df\u7b2c\u4e09\u4e2a\u53c2\u6570 <code>thisArg<\/code> \u7684\u884c\u4e3a\uff0c\u4e5f\u65e0\u6cd5\u5b8c\u5168\u6a21\u62df\u6570\u7ec4\u548c\u7c7b\u6570\u7ec4\u5bf9\u8c61\u7684\u884c\u4e3a\u3002\u5b9e\u9645\u7684 <code>reduce()<\/code> \u65b9\u6cd5\u8fd8\u9700\u8981\u5bf9\u7a00\u758f\u6570\u7ec4\u3001\u539f\u578b\u94fe\u7b49\u8fdb\u884c\u66f4\u590d\u6742\u7684\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u6211\u624b\u52a8\u5b9e\u73b0 Array.prototype.reduce() \u65b9\u6cd5\u65f6\uff0c\u6211\u9996\u5148\u786e\u4fdd\u7406\u89e3\u8fd9\u4e2a\u65b9\u6cd5\u7684\u6838\u5fc3\u539f\u7406\uff1a\u5b83\u63a5 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-12620","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12620","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=12620"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12620\/revisions"}],"predecessor-version":[{"id":13540,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12620\/revisions\/13540"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12620"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}