“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
\u6570\u7ec4\u7684\u6d45\u62f7\u8d1d\uff1a<\/p>\n
\u5982\u679c\u662f\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u6570\u7ec4\u7684\u4e00\u4e9b\u65b9\u6cd5\uff0c\u6bd4\u5982slice\uff0cconcat\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4\u7684\u7279\u6027\u6765\u5b9e\u73b0\u62f7\u8d1d\uff0c\u4f46\u5047\u5982\u6570\u7ec4\u5d4c\u5957\u4e86\u5bf9\u8c61\u6216\u8005\u6570\u7ec4\u7684\u8bdd\uff0c\u4f7f\u7528concat\u65b9\u6cd5\u514b\u9686\u5e76\u4e0d\u5b8c\u6574\uff0c\u5982\u679c\u6570\u7ec4\u5143\u7d20\u662f\u57fa\u672c\u7c7b\u578b\uff0c\u5c31\u4f1a\u62f7\u8d1d\u4e00\u4efd\uff0c\u4e92\u4e0d\u5f71\u54cd\uff0c\u800c\u5982\u679c\u662f\u5bf9\u8c61\u6216\u6570\u7ec4\uff0c\u5c31\u4f1a\u53ea\u62f7\u8d1d\u5bf9\u8c61\u548c\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u8fd9\u6837\u6211\u4eec\u65e0\u8bba\u5728\u65b0\u65e7\u6570\u7ec4\u8fdb\u884c\u4e86\u4fee\u6539\uff0c\u4e24\u8005\u90fd\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u6211\u4eec\u628a\u8fd9\u79cd\u590d\u5236\u5f15\u7528\u7684\u62f7\u8d1d\u65b9\u6cd5\u79f0\u4e3a\u6d45\u62f7\u8d1d\uff0c<\/p>\n
\u6df1\u62f7\u8d1d\u5c31\u662f\u6307\u5b8c\u5168\u7684\u62f7\u8d1d\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5373\u4f7f\u5d4c\u5957\u4e86\u5bf9\u8c61\uff0c\u4e24\u8005\u4e5f\u4e92\u76f8\u5206\u79bb\uff0c\u4fee\u6539\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u4e0d\u4f1a\u5f71\u54cd\u53e6\u4e00\u4e2a<\/p>\n
\u5982\u4f55\u6df1\u62f7\u8d1d\u4e00\u4e2a\u6570\u7ec4<\/p>\n
1\u3001\u8fd9\u91cc\u4ecb\u7ecd\u4e00\u4e2a\u6280\u5de7\uff0c\u4e0d\u4ec5\u9002\u7528\u4e8e\u6570\u7ec4\u8fd8\u9002\u7528\u4e8e\u5bf9\u8c61\uff01\u90a3\u5c31\u662f\uff1a<\/p>\n
var arr = ['old', 1, true, ['old1', 'old2'], {old: 1}]\nvar new_arr = JSON.parse( JSON.stringify(arr) );\nconsole.log(new_arr);\n<\/code><\/pre>\n\u539f\u7406\u662fJOSN\u5bf9\u8c61\u4e2d\u7684stringify\u53ef\u4ee5\u628a\u4e00\u4e2ajs\u5bf9\u8c61\u5e8f\u5217\u5316\u4e3a\u4e00\u4e2aJSON\u5b57\u7b26\u4e32\uff0cparse\u53ef\u4ee5\u628aJSON\u5b57\u7b26\u4e32\u53cd\u5e8f\u5217\u5316\u4e3a\u4e00\u4e2ajs\u5bf9\u8c61\uff0c\u901a\u8fc7\u8fd9\u4e24\u4e2a\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u8c61\u7684\u6df1\u590d\u5236\u3002<\/p>\n
\u4f46\u662f\u8fd9\u4e2a\u65b9\u6cd5\u4e0d\u80fd\u591f\u62f7\u8d1d\u51fd\u6570<\/p>\n
\u6d45\u62f7\u8d1d\u7684\u5b9e\u73b0\uff1a<\/p>\n
\u4ee5\u4e0a\u4e09\u4e2a\u65b9\u6cd5concat,slice ,JSON.stringify\u90fd\u662f\u6280\u5de7\u7c7b\uff0c\u6839\u636e\u5b9e\u9645\u9879\u76ee\u60c5\u51b5\u9009\u62e9\u4f7f\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u601d\u8003\u4e0b\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u5bf9\u8c61\u6216\u6570\u7ec4\u7684\u6d45\u62f7\u8d1d\uff0c\u904d\u5386\u5bf9\u8c61\uff0c\u7136\u540e\u628a\u5c5e\u6027\u548c\u5c5e\u6027\u503c\u90fd\u653e\u5728\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u91cc\u5373\u53ef<\/p>\n
var shallowCopy = function(obj) {\n<\/code><\/pre>\n\/\/ \u53ea\u62f7\u8d1d\u5bf9\u8c61<\/p>\n
if (typeof obj !== 'object') return;\n<\/code><\/pre>\n\/\/ \u6839\u636eobj\u7684\u7c7b\u578b\u5224\u65ad\u662f\u65b0\u5efa\u4e00\u4e2a\u6570\u7ec4\u8fd8\u662f\u5bf9\u8c61<\/p>\n
var newObj = obj instanceof Array ? [] : {};\n<\/code><\/pre>\n\/\/ \u904d\u5386obj\uff0c\u5e76\u4e14\u5224\u65ad\u662fobj\u7684\u5c5e\u6027\u624d\u62f7\u8d1d<\/p>\n
for (var key in obj) {\nif (obj.hasOwnProperty(key)) {\nnewObj[key] = obj[key];\n}\n}\nreturn newObj;\n}\n<\/code><\/pre>\n\u6df1\u62f7\u8d1d\u7684\u5b9e\u73b0<\/p>\n
\u90a3\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u6df1\u62f7\u8d1d\u5462\uff1f\u8bf4\u8d77\u6765\u4e5f\u597d\u7b80\u5355\uff0c\u6211\u4eec\u5728\u62f7\u8d1d\u7684\u65f6\u5019\u5224\u65ad\u4e00\u4e0b\u5c5e\u6027\u503c\u7684\u7c7b\u578b\uff0c\u5982\u679c\u662f\u5bf9\u8c61\uff0c\u6211\u4eec\u9012\u5f52\u8c03\u7528\u6df1\u62f7\u8d1d\u51fd\u6570\u4e0d\u5c31\u597d\u4e86~<\/p>\n
var deepCopy = function(obj) {\n if (typeof obj !== 'object') return;\n var newObj = obj instanceof Array ? [] : {};\n for (var key in obj) {\n if (obj.hasOwnProperty(key)) {\n newObj[key] = typeof obj[key] === 'object' ? deepCopy(obj[key]) : obj[key];\n }\n }\n return newObj;\n}\n<\/code><\/pre>\n <\/p>\n
\"```\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"“`” \u53c2\u8003\u56de\u7b54\uff1a \u6570\u7ec4\u7684\u6d45\u62f7\u8d1d\uff1a \u5982\u679c\u662f\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u6570\u7ec4\u7684\u4e00\u4e9b\u65b9\u6cd5\uff0c\u6bd4\u5982sli […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-43951","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43951","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\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=43951"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43951\/revisions"}],"predecessor-version":[{"id":43952,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43951\/revisions\/43952"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=43951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=43951"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=43951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}