{"id":493,"date":"2024-11-12T17:56:31","date_gmt":"2024-11-12T09:56:31","guid":{"rendered":"https:\/\/womeifei.cn\/?p=493"},"modified":"2024-11-12T17:56:31","modified_gmt":"2024-11-12T09:56:31","slug":"js%e8%bf%9b%e9%98%b6-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/womeifei.cn\/index.php\/2024\/11\/12\/js%e8%bf%9b%e9%98%b6-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0\/","title":{"rendered":"JS\u8fdb\u9636-\u6784\u9020\u51fd\u6570"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u51fd\u6570 \u4e3b\u8981\u7528\u6765\u521d\u59cb\u5316\u5bf9\u8c61 \u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u591a\u4e2a\u7c7b\u4f3c\u7684\u5bf9\u8c61 <\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">\u4e00.\u5b9e\u73b0\u8bed\u6cd5<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/womeifei.cn\/wp-content\/uploads\/2024\/11\/image-89.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"729\" height=\"337\" data-original=\"https:\/\/womeifei.cn\/wp-content\/uploads\/2024\/11\/image-89.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-494\"  sizes=\"auto, (max-width: 729px) 100vw, 729px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u9700\u8981\u5199return<\/strong>  \u8fd4\u56de\u81ea\u52a8\u521b\u5efa\u7684\u65b0\u5bf9\u8c61<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528new\u6765\u8c03\u7528\u51fd\u6570 \u8fd9\u4e2a\u8fc7\u7a0b\u53c8\u79f0\u4e3a<strong>\u5b9e\u4f8b\u5316<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u4f8b\u5316\u7684<strong>\u8fc7\u7a0b<\/strong>\u5982\u4e0b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.new Obj()\u521b\u5efa\u7a7a\u5bf9\u8c61{}<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.\u6784\u9020\u51fd\u6570this\u6307\u5411\u7a7a\u5bf9\u8c61<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.\u6267\u884c\u6784\u9020\u51fd\u6570\u7684\u4ee3\u7801 \u4fee\u6539this \u6dfb\u52a0\u65b0\u7684\u5c5e\u6027<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4.\u8fd4\u56de\u65b0\u5bf9\u8c61<\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">\u4e8c.\u5b9e\u4f8b\u6210\u5458&amp;\u9759\u6001\u6210\u5458<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9e\u4f8b\u6210\u5458<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u6784\u9020\u51fd\u6570\u521b\u5efa\u7684\u5bf9\u8c61\u79f0\u4e3a\u5b9e\u4f8b\u5bf9\u8c61 \u5b9e\u4f8b\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u79f0\u4e3a\u5b9e\u4f8b\u6210\u5458 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u5bf9\u8c61\u4e4b\u95f4\u4e92\u4e0d\u5f71\u54cd <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9759\u6001\u6210\u5458<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6784\u9020\u51fd\u6570\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u88ab\u79f0\u4e3a\u9759\u6001\u6210\u5458<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9759\u6001\u6210\u5458\u53ea\u80fd\u6784\u9020\u51fd\u6570\u6765\u8bbf\u95ee<\/strong> \u9759\u6001\u65b9\u6cd5\u4e2d\u7684this\u6307\u5411\u6784\u9020\u51fd\u6570<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Example:\u8fd9\u91cc\u7684eyes,arms\u5c31\u662f\u9759\u6001\u5c5e\u6027 walk\u5c31\u662f\u9759\u6001\u65b9\u6cd5<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/womeifei.cn\/wp-content\/uploads\/2024\/11\/image-90.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"772\" height=\"312\" data-original=\"https:\/\/womeifei.cn\/wp-content\/uploads\/2024\/11\/image-90.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-495\"  sizes=\"auto, (max-width: 772px) 100vw, 772px\" \/><\/div><\/figure>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">\u4e09.\u5185\u7f6e\u6784\u9020\u51fd\u6570<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \u5728JS\u91cc\u5185\u7f6e\u4e86\u4e00\u4e9b\u6784\u9020\u51fd\u6570\u7ed9\u7a0b\u5e8f\u5458\u4f7f\u7528 \u5982Object String Number&#8230;&#8230;\u6211\u4eec\u9700\u8981\u638c\u63e1\u8fd9\u4e9b\u5185\u7f6e\u6784\u9020\u51fd\u6570\u521b\u5efa\u5bf9\u8c61\u7684\u4e00\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1.Object() \u5b66\u4e60\u4e09\u4e2a\u5e38\u7528\u9759\u6001\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u83b7\u5f97\u5bf9\u8c61\u7684\u6240\u6709\u952e <strong>Object.keys(obj)<\/strong> \/\/\u8fd4\u56de\u7684\u662f\u6570\u7ec4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u83b7\u5f97\u5bf9\u8c61\u7684\u6240\u6709\u5c5e\u6027\u503c <strong>Object.values(obj<\/strong>) \/\/\u8fd4\u56de\u7684\u662f\u6570\u7ec4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u62f7\u8d1d\u5bf9\u8c61 <strong>Object.assign(needassignobj,obj)<\/strong> \/\/\u628aobj\u62f7\u8d1d\u7ed9needassign\u7684obj<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2.Number() <\/strong> <strong>num.tofixed(x)\u4fdd\u7559x\u4f4d\u5c0f\u6570<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3.String()<\/strong> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>str.split(&#8221;) <\/strong>\u628a\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4 \u548cjoin\u76f8\u53cd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>str.substring(a[,b])<\/strong> \u4ece\u7d22\u5f15\u4e3aa\u7684\u5b57\u7b26\u5f00\u59cb\u622a\u53d6(\u5230\u7d22\u5f15\u4e3ab\u7684\u5b57\u7b26) <strong>(\u5de6\u95ed\u53f3\u5f00)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>str.starts\/endsWith(&#8221;,n)<\/strong> \u662f\u5426\u5df2\u67d0\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\/\u7ed3\u5c3e (n\u4ee3\u8868\u5b57\u7b26\u4e32\u4ece\u7d22\u5f15\u4e3an\u7684\u5b57\u7b26\u5f00\u59cb\u6570)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>str.includes(&#8221;,n)<\/strong> \u5224\u65ad\u67d0\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u5728str\u4e2d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.Array()<\/strong> \u8fd9\u90e8\u5206\u5185\u5bb9\u5f88\u591a\u5f88\u6742 \u9700\u8981\u5355\u72ec\u6210\u7ae0 \u5728\u53e6\u5916\u7684\u7ae0\u8282\u4e2d\u6211\u4f1a\u8be6\u7ec6\u8bf4\u660e<strong>\u6570\u7ec4\u7684\u4e00\u4e9b\u5c5e\u6027\/\u65b9\u6cd5 <\/strong>\u5c24\u5176\u662f\u5173\u4e8e<strong>\u6570\u7ec4\u7684\u904d\u5386<\/strong>\u9700\u8981\u4ed4\u7ec6\u7814\u7a76<\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">\u611f\u8c22\u89c2\u770b,Seeyou!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u51fd\u6570 \u4e3b\u8981\u7528\u6765\u521d\u59cb\u5316\u5bf9\u8c61 \u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u591a\u4e2a\u7c7b\u4f3c\u7684\u5bf9\u8c61 \u4e00.\u5b9e\u73b0\u8bed\u6cd5 \u4e0d\u9700\u8981\u5199return \u8fd4\u56de\u81ea\u52a8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,1],"tags":[],"class_list":["post-493","post","type-post","status-publish","format-standard","hentry","category-javascript","category-1"],"_links":{"self":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=493"}],"version-history":[{"count":1,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/493\/revisions"}],"predecessor-version":[{"id":496,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/493\/revisions\/496"}],"wp:attachment":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}