\u6570\u7ec4\u89e3\u6784
\nlet [a, b, c] = [1, 2, 3]\t\/\/a=l, b=2, c=3
\nlet [d, [e], f] = [1, [2], 3]\t\/\/\u5d4c\u5957\u6570\u7ec4\u89e3\u6784 d=l, e=2, f=3
\nlet [g, …h] = [1, 2, 3] \u3003\u6570\u7ec4\u62c6\u5206 g=l, h=[2, 3]
\nlet [i,, j] = [1, 2, 3] \u3003\u4e0d\u8fde\u7eed\u89e3\u6784 i=l, j=3
\nlet [k.l] = [1, 2, 3] \u3003\u4e0d\u5b8c\u5168\u89e3\u6784 k=l, 1=2
\n\u5bf9\u8c61\u89e3\u6784
\nlet {a, b} = {a\uff1a ‘aaaa’, b\uff1a ‘bbbb’}\t\/\/a=’aaaa’ b=’bbbb’
\nlet obj = {d\uff1a ‘aaaa’, e\uff1a {f\uff1a ‘bbbb’}}
\nlet {d, e\uff1a {f}} = obj \u3003\u5d4c\u5957\u89e3\u6784 d=’aaaa’ f=’bbbb’
\nlet g;
\n(g = {g\uff1a ‘aaaa’})\t\u3003\u4ee5\u58f0\u660e\u53d8\u91cf\u89e3\u6784\u8a0eaaaa’
\nlet [h, i, j, k] = ‘nice’ \u3003\u5b57\u7b26\u4e32\u89e3\u6784 h=’n’ i=’i’ j=’c’ k=’e’
\n\u51fd\u6570\u53c2\u6570\u7684\u5b9a\u4e49
\n\u4e00\u822c\u6211\u4eec\u5728\u5b9a\u4e49\u51fd\u6570\u7684\u65f6\u5019\uff0c\u5982\u679c\u51fd\u6570\u6709\u591a\u4e2a\u53c2\u6570\u65f6\uff0c\u5728es5\u8bed\u6cd5\u4e2d\u51fd\u6570\u8c03\u7528\u65f6\u53c2\u6570\u5fc5\u987b\u4e00\u4e00 \u5bf9\u5e94\uff0c\u5426\u5219\u5c31\u4f1a\u51fa\u73b0\u8d4b\u503c\u9519\u8bef\u7684\u60c5\u51b5\uff0c\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50\uff1a
\nfunction personinfo(name, age, address, gender) {
\nconsole. log(name, age, address, gender)
\n}
\npersoninfo(‘william’, 18, ‘changsha’, ‘man’)
\n\u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5728\u5bf9\u7528\u6237\u4fe1\u606f\u7684\u65f6\u5019\u9700\u8981\u4f20\u9012\u56db\u4e2a\u53c2\u6570\uff0c\u4e14\u9700\u8981\u4e00\u4e00\u5bf9\u5e94\uff0c\u8fd9\u6837\u5c31\u4f1a\u6781\u6613\u51fa\u73b0\u53c2
\n\u6570\u987a\u5e8f\u4f20\u9519\u7684\u60c5\u51b5\uff0c\u4ece\u800c\u5bfc\u81f4bug,\u63a5\u4e0b\u6765\u6765\u770bes6\u89e3\u6784\u8d4b\u503c\u662f\u600e\u4e48\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\uff1a<\/p>\n
function personinfo({name, age, address, gender}) {
\nconsole. log(name, age, address, gender)
\n}
\npersoninfo({gender\uff1a ‘man’, address\uff1a ‘changsha’, name\uff1a ‘william’, age\uff1a 18})
\n\u8fd9\u4e48\u5199\u6211\u4eec\u53ea\u77e5\u9053\u8981\u4f20\u58f0\u660e\u53c2\u6570\u5c31\u884c\u6765\uff0c\u4e0d\u9700\u8981\u77e5\u9053\u53c2\u6570\u7684\u987a\u5e8f\u4e5f\u6ca1\u5173\u7cfb
\n\u4ea4\u6362\u53d8\u91cf\u7684\u503c
\n\u5728es5\u4e2d\u6211\u4eec\u9700\u8981\u4ea4\u6362\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u9700\u8981\u501f\u52a9\u4e34\u65f6\u53d8\u91cf\u7684\u5e2e\u52a9\uff0c\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50:
\nvar a=l, b=2, c
\nc = a
\na = b
\nb = c
\nconsole. log(a, b)
\n\u6765\u770bes6\u600e\u4e48\u5b9e\u73b0\uff1a
\nlet a=l, b=2\uff1b
\n[b, a] = [a, b]
\nconsole. log(a, b)
\n\u662f\u4e0d\u662f\u6bd4es5\u7684\u5199\u6cd5\u66f4\u52a0\u65b9\u4fbf\u5462
\n\u51fd\u6570\u9ed8\u8ba4\u53c2\u6570
\n\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u6709\u8fd9\u79cd\u60c5\u51b5\uff1a\u51fd\u6570\u7684\u53c2\u6570\u9700\u8981\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u6ca1\u6709\u9ed8\u8ba4\u503c\u5728\u4f7f\u7528\u7684\u65f6\u5019\u5c31
\n\u4f1a\u62a5\u9519\uff0c\u6765\u770bes5\u4e2d\u662f\u600e\u4e48\u505a\u7684\uff1a
\nfunction saveInfo(name, age, address, gender) {<\/p>\n
age = age || 18
\naddress = address || ‘changsha’
\ngender = gender || ‘man’
\nconsole.log(name, age, address, gender)
\n}
\nsaveinfo ()
\n\u5728\u51fd\u6570\u79bbmain\u5148\u5bf9\u53c2\u6570\u505a\u4e00\u4e2a\u9ed8\u8ba4\u503c\u8d4b\u503c\uff0c\u7136\u540e\u518d\u4f7f\u7528\u907f\u514d\u4f7f\u7528\u7684\u8fc7\u7a0b\u4e2d\u62a5\u9519\uff0c\u518d\u6765\u770bes6 \u4e2d\u7684\u4f7f\u7528\u7684\u65b9\u6cd5:
\nfunction saveinfo({name= ‘william’, age= 18, address= ‘changsha’, gender= ‘man’} = {}) {
\nconsole. log(name, age, address, gender)
\n}
\nsaveinfo ()
\n\u5728\u51fd\u6570\u5b9a\u4e49\u7684\u65f6\u5019\u5c31\u5b9a\u4e49\u4e86\u9ed8\u8ba4\u53c2\u6570\uff0c\u8fd9\u6837\u5c31\u514d\u4e86\u540e\u9762\u7ed9\u53c2\u6570\u8d4b\u503c\u9ed8\u8ba4\u503c\u7684\u8fc7\u7a0b\uff0c\u662f\u4e0d\u662f\u770b\u8d77
\n\u6765\u7b80\u5355\u591a\u4e86<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6570\u7ec4\u89e3\u6784 let [a, b, c] = [1, 2, 3] \/\/a=l, b=2, c=3 let [d, […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-13314","post","type-post","status-publish","format-standard","hentry","category-qianduan"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13314","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\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=13314"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13314\/revisions"}],"predecessor-version":[{"id":13315,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13314\/revisions\/13315"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=13314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=13314"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=13314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}