{"id":288,"date":"2019-05-10T10:27:05","date_gmt":"2019-05-10T02:27:05","guid":{"rendered":"https:\/\/imbizmodel.com\/?p=288"},"modified":"2019-05-15T12:58:21","modified_gmt":"2019-05-15T04:58:21","slug":"javascript-destructuring-assignment-astrocamp-5xruby","status":"publish","type":"post","link":"https:\/\/imbizmodel.com\/blog\/javascript-destructuring-assignment-astrocamp-5xruby\/","title":{"rendered":"JavaScript-\u89e3\u69cb\u8ce6\u503c\u8aaa\u660e-ASTRO Camp X \u4e94\u500d\u7d05\u5bf6\u77f3"},"content":{"rendered":"<p>\u89e3\u69cb\u8ce6\u503c(Destructuring assignment)<br \/>\n\u662f\u4e00\u7a2e JavaScript \u904b\u7b97\u5f0f\uff0c\u53ef\u4ee5\u5c07\u9663\u5217(ary)\u6216\u7269\u4ef6(object)\u4e2d\u7684\u8cc7\u6599\u53d6\u51fa\u6210\u70ba\u7368\u7acb\u8b8a\u6578\u3002<br \/>\n\u6253\u500b\u6bd4\u65b9,\u5047\u5982\u6709\u4e00\u500b\u4eba\u53eb\u505a\u5c0f\u660e\uff0c\u5e74\u7d0018\u6b72\uff0c\u4ed6\u7684\u6027\u5225\u662f\u7537\u751f\u3002\u90a3\u6211\u5011\u5c07\u5c0f\u660e\u7684\u8cc7\u6599\u653e\u5165\u9663\u5217\uff0c\u4e26\u628a\u5c0f\u660e\u8cc7\u6599\u8ce6\u503c\u7d66\u4ed6<br \/>\n\u9663\u5217\u7684\u5beb\u6cd5<\/p>\n<pre><code>\u6709\u4e00\u500b\u4eba = [&#039;\u5c0f\u660e&#039;, 18, &#039;\u7537\u751f&#039;]\nvar \u59d3\u540d = \u6709\u4e00\u500b\u4eba[0] = &#039;\u5c0f\u660e&#039;\nvar \u5e74\u7d00 = \u6709\u4e00\u500b\u4eba[1] = 18\nvar \u6027\u5225 = \u6709\u4e00\u500b\u4eba[2] = &#039;\u7537\u751f&#039;\nconsole.log(\u59d3\u540d, \u5e74\u7d00, \u6027\u5225);<\/code><\/pre>\n<p>\u5728ES6\u7684\u72c0\u614b\u4e0b,\u7528\u89e3\u69cb\u8ce6\u503c\u7684\u5beb\u6cd5<\/p>\n<pre><code>let [\u59d3\u540d, \u5e74\u7d00, \u6027\u5225] = [&#039;\u5c0f\u660e&#039;, 18, &#039;\u7537\u751f&#039;]\nconsole.log(\u59d3\u540d, \u5e74\u7d00, \u6027\u5225)<\/code><\/pre>\n<p>\u9019\u5c31\u8ddf\u93e1\u5b50\u53cd\u5c04\u4e00\u6a23\uff0c\u53ef\u4ee5\u76f4\u63a5\u6295\u5f71\u904e\u53bb\uff0c\u53e6\u5916\u4e00\u908a\u5c31\u6703\u6709\u6771\u897f\u7684\u7522\u751f\u3002\u6211\u89ba\u5f97\u6700\u5927\u7684\u597d\u8655\u5c31\u662f\u7a0b\u5f0f\u78bc\u53ef\u4ee5\u5c11\u6253\u5f88\u591a(\u8aa4\uff5e)<\/p>\n<p>\u4f46\u5982\u679c\u9663\u5217\u5176\u4e2d\u4e00\u9805\u6c92\u6709\u7d66\u503c\u6703\u767c\u751f\u4ec0\u9ebc\u4e8b\u60c5\u5462\uff1f<\/p>\n<pre><code>let [\u59d3\u540d, \u5e74\u7d00, \u6027\u5225] = [&#039;\u5c0f\u660e&#039;, 18,]\nconsole.log(\u59d3\u540d, \u5e74\u7d00, \u6027\u5225)<\/code><\/pre>\n<p>\u7576\u6c92\u6709\u5c0d\u61c9\u7684\u6771\u897f\u6642\uff0c\u5c31\u6703\u5f97\u5230undefined\u3002<\/p>\n<p>\u4e0a\u8ab2\u4e2d \u6cf0\u5b89\u8001\u5e2b\u4e5f\u6709\u63d0\u5230\u5169\u4ef6\u4e8b<br \/>\n1.key\u8ddf\u7269\u4ef6\u540d\u7a31\u4e00\u4e0b\u6642\uff0c\u662f\u53ef\u4ee5\u7701\u7565key\u7684\u540d\u7a31\u3002<br \/>\n2.\u7528\u89e3\u69cb\u8ce6\u503c\u6642\uff0c\u9806\u5e8f\u53ef\u4ee5\u8abf\u63db\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u69cb\u8ce6\u503c(Destructuring assignment) \u662f\u4e00\u7a2e JavaScript \u904b\u7b97\u5f0f\uff0c\u53ef\u4ee5\u5c07\u9663\u5217 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[30,24,31],"blocksy_meta":[],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"post_excerpt_stackable":"<p>\u89e3\u69cb\u8ce6\u503c(Destructuring assignment) \u662f\u4e00\u7a2e JavaScript \u904b\u7b97\u5f0f\uff0c\u53ef\u4ee5\u5c07\u9663\u5217(ary)\u6216\u7269\u4ef6(object)\u4e2d\u7684\u8cc7\u6599\u53d6\u51fa\u6210\u70ba\u7368\u7acb\u8b8a\u6578\u3002 \u6253\u500b\u6bd4\u65b9,\u5047\u5982\u6709\u4e00\u500b\u4eba\u53eb\u505a\u5c0f\u660e&#8230;<\/p>\n","category_list":"<a href=\"https:\/\/imbizmodel.com\/blog\/astro-x-%e4%ba%94%e5%80%8d%e7%b4%85%e5%af%b6%e7%9f%b3%e5%85%a8%e7%ab%af%e5%b7%a5%e7%a8%8b%e5%b8%ab%e5%af%a6%e6%88%b0%e8%a8%93%e7%b7%b4%e7%87%9f\/\" rel=\"category tag\">ASTRO X \u4e94\u500d\u7d05\u5bf6\u77f3\u5168\u7aef\u5de5\u7a0b\u5e2b\u5be6\u6230\u8a13\u7df4\u71df<\/a>","author_info":{"name":"\u9673\u4fca\u514b","url":"https:\/\/imbizmodel.com\/blog\/author\/admin\/"},"comments_num":"0 comments","featured_image_urls_v2":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"post_excerpt_stackable_v2":"<p>\u89e3\u69cb\u8ce6\u503c(Destructuring assignment) \u662f\u4e00\u7a2e JavaScript \u904b\u7b97\u5f0f\uff0c\u53ef\u4ee5\u5c07\u9663\u5217(ary)\u6216\u7269\u4ef6(object)\u4e2d\u7684\u8cc7\u6599\u53d6\u51fa\u6210\u70ba\u7368\u7acb\u8b8a\u6578\u3002 \u6253\u500b\u6bd4\u65b9,\u5047\u5982\u6709\u4e00\u500b\u4eba\u53eb\u505a\u5c0f\u660e&#8230;<\/p>\n","category_list_v2":"<a href=\"https:\/\/imbizmodel.com\/blog\/astro-x-%e4%ba%94%e5%80%8d%e7%b4%85%e5%af%b6%e7%9f%b3%e5%85%a8%e7%ab%af%e5%b7%a5%e7%a8%8b%e5%b8%ab%e5%af%a6%e6%88%b0%e8%a8%93%e7%b7%b4%e7%87%9f\/\" rel=\"category tag\">ASTRO X \u4e94\u500d\u7d05\u5bf6\u77f3\u5168\u7aef\u5de5\u7a0b\u5e2b\u5be6\u6230\u8a13\u7df4\u71df<\/a>","author_info_v2":{"name":"\u9673\u4fca\u514b","url":"https:\/\/imbizmodel.com\/blog\/author\/admin\/"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/posts\/288"}],"collection":[{"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/comments?post=288"}],"version-history":[{"count":0,"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/posts\/288\/revisions"}],"wp:attachment":[{"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/media?parent=288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/categories?post=288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/imbizmodel.com\/wp-json\/wp\/v2\/tags?post=288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}