{"id":8106,"date":"2023-11-28T20:14:12","date_gmt":"2023-11-28T12:14:12","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8106"},"modified":"2023-12-02T21:28:11","modified_gmt":"2023-12-02T13:28:11","slug":"vue-zhongjs-zhong-de-shen-kao-bei-yu-qian-kao-bei","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhongjs-zhong-de-shen-kao-bei-yu-qian-kao-bei\/","title":{"rendered":"Vue \u4e2d JS \u4e2d\u7684\u6df1\u62f7\u8d1d\u4e0e\u6d45\u62f7\u8d1d\u7684\u533a\u522b\uff1f"},"content":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0c\u6df1\u62f7\u8d1d\u548c\u6d45\u62f7\u8d1d\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u5bf9\u8c61\u590d\u5236\u65b9\u5f0f\uff0c\u5b83\u4eec\u7684\u533a\u522b\u5728\u4e8e\u590d\u5236\u7684\u5bf9\u8c61\u7684\u5c42\u6b21\u548c\u5f15\u7528\u5173\u7cfb\u3002<\/p>\n<h3><a id=\"%E6%B5%85%E6%8B%B7%E8%B4%9D%EF%BC%88shallow-copy%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6d45\u62f7\u8d1d\uff08Shallow Copy\uff09\uff1a<\/h3>\n<ul>\n<li>\u6d45\u62f7\u8d1d\u53ea\u590d\u5236\u5bf9\u8c61\u7684\u7b2c\u4e00\u5c42\u5c5e\u6027\uff0c\u5982\u679c\u5c5e\u6027\u503c\u662f\u5bf9\u8c61\uff0c\u5219\u590d\u5236\u7684\u662f\u5bf9\u8c61\u7684\u5f15\u7528\u800c\u4e0d\u662f\u5bf9\u8c61\u672c\u8eab\u3002<\/li>\n<li>\u539f\u59cb\u5bf9\u8c61\u548c\u6d45\u62f7\u8d1d\u540e\u7684\u5bf9\u8c61\u5171\u4eab\u76f8\u540c\u7684\u5185\u90e8\u5bf9\u8c61\u5f15\u7528\uff0c\u4fee\u6539\u5176\u4e2d\u4e00\u4e2a\u5bf9\u8c61\u7684\u5185\u90e8\u5bf9\u8c61\u4f1a\u5f71\u54cd\u53e6\u4e00\u4e2a\u5bf9\u8c61\u3002<\/li>\n<li>\u5e38\u89c1\u7684\u6d45\u62f7\u8d1d\u65b9\u6cd5\u5305\u62ec <code>Object.assign()<\/code>\u3001<code>Array.slice()<\/code>\u3001<code>Array.concat()<\/code> \u7b49\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-javascript\">const originalObj = { a: 1, b: { c: 2 } };\nconst shallowCopy = Object.assign({}, originalObj);\n\nshallowCopy.a = 3;\nshallowCopy.b.c = 4;\n\nconsole.log(originalObj); \/\/ { a: 1, b: { c: 4 } }\n<\/code><\/pre>\n<h3><a id=\"%E6%B7%B1%E6%8B%B7%E8%B4%9D%EF%BC%88deep-copy%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6df1\u62f7\u8d1d\uff08Deep Copy\uff09\uff1a<\/h3>\n<ul>\n<li>\u6df1\u62f7\u8d1d\u4f1a\u9012\u5f52\u5730\u590d\u5236\u6240\u6709\u5c42\u7ea7\u7684\u5bf9\u8c61\u548c\u5176\u5c5e\u6027\uff0c\u751f\u6210\u4e00\u4e2a\u5168\u65b0\u7684\u5bf9\u8c61\uff0c\u4e0e\u539f\u5bf9\u8c61\u5b8c\u5168\u72ec\u7acb\uff0c\u4e92\u4e0d\u5f71\u54cd\u3002<\/li>\n<li>\u6df1\u62f7\u8d1d\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u53ca\u5176\u5185\u90e8\u7684\u6240\u6709\u5b50\u5bf9\u8c61\u7684\u526f\u672c\uff0c\u539f\u5bf9\u8c61\u548c\u6df1\u62f7\u8d1d\u540e\u7684\u5bf9\u8c61\u6ca1\u6709\u4efb\u4f55\u5173\u8054\u3002<\/li>\n<li>\u7531\u4e8e\u9012\u5f52\u590d\u5236\u6240\u6709\u5c42\u7ea7\u7684\u5c5e\u6027\uff0c\u6df1\u62f7\u8d1d\u53ef\u80fd\u4f1a\u6d88\u8017\u66f4\u591a\u7684\u5185\u5b58\u548c\u65f6\u95f4\u3002<\/li>\n<li>\u5b9e\u73b0\u6df1\u62f7\u8d1d\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u6bd4\u8f83\u5e38\u89c1\u7684\u662f\u4f7f\u7528\u9012\u5f52\u3001<code>JSON.parse(JSON.stringify())<\/code>\u3001\u7b2c\u4e09\u65b9\u5e93\u5982 lodash \u7684 <code>_.cloneDeep()<\/code> \u65b9\u6cd5\u7b49\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-javascript\">const originalObj = { a: 1, b: { c: 2 } };\nconst deepCopy = JSON.parse(JSON.stringify(originalObj));\n\ndeepCopy.a = 3;\ndeepCopy.b.c = 4;\n\nconsole.log(originalObj); \/\/ { a: 1, b: { c: 2 } }\n<\/code><\/pre>\n<p>\u603b\u7ed3\u6765\u8bf4\uff0c\u6d45\u62f7\u8d1d\u53ea\u590d\u5236\u7b2c\u4e00\u5c42\u7684\u5bf9\u8c61\u5c5e\u6027\uff0c\u800c\u6df1\u62f7\u8d1d\u4f1a\u9012\u5f52\u590d\u5236\u6240\u6709\u5c42\u7ea7\u7684\u5bf9\u8c61\u5c5e\u6027\uff0c\u751f\u6210\u4e00\u4e2a\u5168\u65b0\u4e14\u76f8\u4e92\u72ec\u7acb\u7684\u5bf9\u8c61\u3002\u9009\u62e9\u6df1\u62f7\u8d1d\u8fd8\u662f\u6d45\u62f7\u8d1d\u53d6\u51b3\u4e8e\u9700\u6c42\uff0c\u9700\u8981\u6ce8\u610f\u6df1\u62f7\u8d1d\u53ef\u80fd\u5e26\u6765\u6027\u80fd\u548c\u5185\u5b58\u6d88\u8017\u4e0a\u7684\u989d\u5916\u5f00\u9500\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0c\u6df1\u62f7\u8d1d\u548c\u6d45\u62f7\u8d1d\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u5bf9\u8c61\u590d\u5236\u65b9\u5f0f\uff0c\u5b83\u4eec\u7684\u533a\u522b\u5728\u4e8e\u590d\u5236\u7684\u5bf9\u8c61\u7684\u5c42\u6b21\u548c\u5f15\u7528\u5173\u7cfb [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-8106","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8106","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\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8106"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8106\/revisions"}],"predecessor-version":[{"id":14037,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8106\/revisions\/14037"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8106"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}