{"id":214,"date":"2020-05-08T13:24:28","date_gmt":"2020-05-08T13:24:28","guid":{"rendered":"https:\/\/www.369usa.com\/blog\/?p=214"},"modified":"2020-05-08T13:41:29","modified_gmt":"2020-05-08T13:41:29","slug":"javascript-no-associative-array","status":"publish","type":"post","link":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/","title":{"rendered":"JavaScript\u91cc\u6ca1\u6709Associative Array"},"content":{"rendered":"

\u5f88\u591a\u5e74\u6765,\u6211\u4e00\u76f4\u4ee5\u4e3aJavaScript\u91cc\u6709Associative Array,\u800c\u6211\u4e5f\u4e00\u76f4\u4ee5\u4e3a\u6211\u6bcf\u5929\u5728\u7528\u7684Associative Array,\u5176\u5b9e\u4e5f\u53ea\u662fSugar Syntax.<\/p>\n

\r\n\r\nvar arr;\r\narr['a'] = 'apple';\r\narr['b'] = 'banana';\r\n\r\n<\/pre>\n
\u5176\u5b9e\u5b83\u662f\u4e00\u4e2aObject.
\n\u4ee5\u4e0b\u7684\u662f\u5b83\u7684\u771f\u6b63\u5199\u6cd5:<\/p>\n
\r\n\r\nvar arr = {};\r\narr.a = 'apple';\r\narr.b = 'banana';\r\n\r\n<\/pre>\n
\u800c\u63d0\u53d6\u5b83\u4eec\u7684\u6570\u503c\u7684\u65b9\u6cd5\u4e5f\u6709\u6240\u4e0d\u4e00\u6837:<\/p>\n
\r\n\r\n\/\/For Array:\r\narr.map(function(value){\r\n    console.log(value);\r\n});\r\n\r\n\/\/For Object:\r\nfor(var key in arr){\r\n    console.log(arr['key']);\r\n}\r\n\r\n<\/pre>\n
\u6709\u4e00\u70b9\u4e00\u5b9a\u8981\u6ce8\u610f\u7684,\u5982\u679c\u4f60\u7684KEY\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6574\u6570\u7684\u8bdd,\u5c31\u4e0d\u80fd\u7528ARRAY\u4e86.<\/p>\n
\r\n\r\n\/\/For Array:\r\nvar arr = [];\r\narr[10000] = 1;\r\n\r\n\/\/arr \u7528\u4e8640000 byte(40kb)\u7684\u5185\u5b58.\r\n\r\n\/\/For Object:\r\nvar arr = {};\r\narr[10000] = 1;\r\n\r\n\/\/arr \u53ea\u7528\u4e864 byte\u7684\u5185\u5b58.\r\n\r\n<\/pre>\n
\u66f4\u65b0\u8d44\u6599:
\nhttps:\/\/www.xul.fr\/javascript\/associative.php<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f88\u591a\u5e74\u6765,\u6211\u4e00\u76f4\u4ee5\u4e3aJavaScript\u91cc\u6709Associative Array,\u800c\u6211\u4e5f\u4e00\u76f4\u4ee5\u4e3a\u6211\u6bcf\u5929\u5728\u7528\u7684Associative Array,\u5176\u5b9e\u4e5f\u53ea\u662fSugar Syntax. var arr; arr[‘a’] = ‘apple’; arr[‘b’] = ‘banana’; \u5176\u5b9e\u5b83\u662f\u4e00\u4e2aObject. \u4ee5\u4e0b\u7684\u662f\u5b83\u7684\u771f\u6b63\u5199\u6cd5: var arr = {}; arr.a = ‘apple’; arr.b = ‘banana’; \u800c\u63d0\u53d6\u5b83\u4eec\u7684\u6570\u503c\u7684\u65b9\u6cd5\u4e5f\u6709\u6240\u4e0d\u4e00\u6837: \/\/For Array: arr.map(function(value){ console.log(value); }); \/\/For Object: for(var key in arr){ console.log(arr[‘key’]); } \u6709\u4e00\u70b9\u4e00\u5b9a\u8981\u6ce8\u610f\u7684,\u5982\u679c\u4f60\u7684KEY\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6574\u6570\u7684\u8bdd,\u5c31\u4e0d\u80fd\u7528ARRAY\u4e86. \/\/For Array: var arr = []; arr[10000] = 1; \/\/arr \u7528\u4e8640000 byte(40kb)\u7684\u5185\u5b58. \/\/For Object: var arr … Continue reading “JavaScript\u91cc\u6ca1\u6709Associative Array”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-214","post","type-post","status-publish","format-standard","hentry","category-deep-javascript"],"yoast_head":"\nJavaScript\u91cc\u6ca1\u6709Associative Array - \u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JavaScript\u91cc\u6ca1\u6709Associative Array - \u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2\" \/>\n<meta property=\"og:description\" content=\"\u5f88\u591a\u5e74\u6765,\u6211\u4e00\u76f4\u4ee5\u4e3aJavaScript\u91cc\u6709Associative Array,\u800c\u6211\u4e5f\u4e00\u76f4\u4ee5\u4e3a\u6211\u6bcf\u5929\u5728\u7528\u7684Associative Array,\u5176\u5b9e\u4e5f\u53ea\u662fSugar Syntax. var arr; arr['a'] = 'apple'; arr['b'] = 'banana'; \u5176\u5b9e\u5b83\u662f\u4e00\u4e2aObject. \u4ee5\u4e0b\u7684\u662f\u5b83\u7684\u771f\u6b63\u5199\u6cd5: var arr = {}; arr.a = 'apple'; arr.b = 'banana'; \u800c\u63d0\u53d6\u5b83\u4eec\u7684\u6570\u503c\u7684\u65b9\u6cd5\u4e5f\u6709\u6240\u4e0d\u4e00\u6837: \/\/For Array: arr.map(function(value){ console.log(value); }); \/\/For Object: for(var key in arr){ console.log(arr['key']); } \u6709\u4e00\u70b9\u4e00\u5b9a\u8981\u6ce8\u610f\u7684,\u5982\u679c\u4f60\u7684KEY\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6574\u6570\u7684\u8bdd,\u5c31\u4e0d\u80fd\u7528ARRAY\u4e86. \/\/For Array: var arr = []; arr[10000] = 1; \/\/arr \u7528\u4e8640000 byte(40kb)\u7684\u5185\u5b58. \/\/For Object: var arr … Continue reading "JavaScript\u91cc\u6ca1\u6709Associative Array"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/\" \/>\n<meta property=\"og:site_name\" content=\"\u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2\" \/>\n<meta property=\"article:published_time\" content=\"2020-05-08T13:24:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-08T13:41:29+00:00\" \/>\n<meta name=\"author\" content=\"darkersss\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"darkersss\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/\",\"url\":\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/\",\"name\":\"JavaScript\u91cc\u6ca1\u6709Associative Array - \u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2\",\"isPartOf\":{\"@id\":\"https:\/\/www.369usa.com\/blog\/#website\"},\"datePublished\":\"2020-05-08T13:24:28+00:00\",\"dateModified\":\"2020-05-08T13:41:29+00:00\",\"author\":{\"@id\":\"https:\/\/www.369usa.com\/blog\/#\/schema\/person\/1c260c42af4aadda7f89a0081f6591b6\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.369usa.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"JavaScript\u91cc\u6ca1\u6709Associative Array\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.369usa.com\/blog\/#website\",\"url\":\"https:\/\/www.369usa.com\/blog\/\",\"name\":\"369\u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.369usa.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.369usa.com\/blog\/#\/schema\/person\/1c260c42af4aadda7f89a0081f6591b6\",\"name\":\"darkersss\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.369usa.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/2c538d84b753eed6f6f714becf9b3955?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/2c538d84b753eed6f6f714becf9b3955?s=96&d=mm&r=g\",\"caption\":\"darkersss\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"JavaScript\u91cc\u6ca1\u6709Associative Array - \u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/","og_locale":"en_US","og_type":"article","og_title":"JavaScript\u91cc\u6ca1\u6709Associative Array - \u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2","og_description":"\u5f88\u591a\u5e74\u6765,\u6211\u4e00\u76f4\u4ee5\u4e3aJavaScript\u91cc\u6709Associative Array,\u800c\u6211\u4e5f\u4e00\u76f4\u4ee5\u4e3a\u6211\u6bcf\u5929\u5728\u7528\u7684Associative Array,\u5176\u5b9e\u4e5f\u53ea\u662fSugar Syntax. var arr; arr['a'] = 'apple'; arr['b'] = 'banana'; \u5176\u5b9e\u5b83\u662f\u4e00\u4e2aObject. \u4ee5\u4e0b\u7684\u662f\u5b83\u7684\u771f\u6b63\u5199\u6cd5: var arr = {}; arr.a = 'apple'; arr.b = 'banana'; \u800c\u63d0\u53d6\u5b83\u4eec\u7684\u6570\u503c\u7684\u65b9\u6cd5\u4e5f\u6709\u6240\u4e0d\u4e00\u6837: \/\/For Array: arr.map(function(value){ console.log(value); }); \/\/For Object: for(var key in arr){ console.log(arr['key']); } \u6709\u4e00\u70b9\u4e00\u5b9a\u8981\u6ce8\u610f\u7684,\u5982\u679c\u4f60\u7684KEY\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6574\u6570\u7684\u8bdd,\u5c31\u4e0d\u80fd\u7528ARRAY\u4e86. \/\/For Array: var arr = []; arr[10000] = 1; \/\/arr \u7528\u4e8640000 byte(40kb)\u7684\u5185\u5b58. \/\/For Object: var arr … Continue reading \"JavaScript\u91cc\u6ca1\u6709Associative Array\"","og_url":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/","og_site_name":"\u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2","article_published_time":"2020-05-08T13:24:28+00:00","article_modified_time":"2020-05-08T13:41:29+00:00","author":"darkersss","twitter_card":"summary_large_image","twitter_misc":{"Written by":"darkersss"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/","url":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/","name":"JavaScript\u91cc\u6ca1\u6709Associative Array - \u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1\u535a\u5ba2","isPartOf":{"@id":"https:\/\/www.369usa.com\/blog\/#website"},"datePublished":"2020-05-08T13:24:28+00:00","dateModified":"2020-05-08T13:41:29+00:00","author":{"@id":"https:\/\/www.369usa.com\/blog\/#\/schema\/person\/1c260c42af4aadda7f89a0081f6591b6"},"breadcrumb":{"@id":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.369usa.com\/blog\/javascript-no-associative-array\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.369usa.com\/blog\/"},{"@type":"ListItem","position":2,"name":"JavaScript\u91cc\u6ca1\u6709Associative Array"}]},{"@type":"WebSite","@id":"https:\/\/www.369usa.com\/blog\/#website","url":"https:\/\/www.369usa.com\/blog\/","name":"369\u7ebd\u7ea6\u7f51\u7ad9\u8bbe\u8ba1","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.369usa.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.369usa.com\/blog\/#\/schema\/person\/1c260c42af4aadda7f89a0081f6591b6","name":"darkersss","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.369usa.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/2c538d84b753eed6f6f714becf9b3955?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2c538d84b753eed6f6f714becf9b3955?s=96&d=mm&r=g","caption":"darkersss"}}]}},"_links":{"self":[{"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/posts\/214"}],"collection":[{"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/comments?post=214"}],"version-history":[{"count":4,"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/posts\/214\/revisions"}],"predecessor-version":[{"id":218,"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/posts\/214\/revisions\/218"}],"wp:attachment":[{"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/media?parent=214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/categories?post=214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.369usa.com\/blog\/wp-json\/wp\/v2\/tags?post=214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}