{"id":166711,"date":"2024-05-08T15:43:01","date_gmt":"2024-05-08T07:43:01","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/166711.html"},"modified":"2024-05-08T15:43:06","modified_gmt":"2024-05-08T07:43:06","slug":"javascript%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%8d%e6%8f%90%e4%be%9b%e4%b8%80%e4%b8%aa%e4%bf%ae%e6%94%b9%e5%af%b9%e8%b1%a1%e7%b1%bb%e5%9e%8bkey%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/166711.html","title":{"rendered":"JavaScript\u4e3a\u4ec0\u4e48\u4e0d\u63d0\u4f9b\u4e00\u4e2a\u4fee\u6539\u5bf9\u8c61\u7c7b\u578bKey\u7684\u65b9\u6cd5"},"content":{"rendered":"

\"JavaScript\u4e3a\u4ec0\u4e48\u4e0d\u63d0\u4f9b\u4e00\u4e2a\u4fee\u6539\u5bf9\u8c61\u7c7b\u578bKey\u7684\u65b9\u6cd5\"<\/p>\n

JavaScript\u4e0d\u63d0\u4f9b\u4e00\u4e2a\u76f4\u63a5\u4fee\u6539\u5bf9\u8c61\u7c7b\u578bKey\u7684\u65b9\u6cd5\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u8fd9\u79cd\u64cd\u4f5c\u4f1a\u7834\u574f\u5bf9\u8c61\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\u3001\u589e\u52a0\u8bed\u8a00\u7684\u590d\u6742\u5ea6\u3001\u53ef\u80fd\u5f15\u8d77\u6027\u80fd\u95ee\u9898\u3001\u5e76\u4e14\u6709\u73b0\u6709\u66ff\u4ee3\u65b9\u6848\u3002\u6838\u5fc3\u539f\u56e0\u5305\u62ec\uff1a\u4fdd\u6301\u5bf9\u8c61\u7684\u7ed3\u6784\u7a33\u4e00\u81f4\u6027\u3001\u907f\u514d\u589e\u52a0\u8bed\u8a00\u590d\u6742\u5ea6\u3001\u9884\u9632\u6027\u80fd\u95ee\u9898\u3001\u4ee5\u53ca\u5b58\u5728\u6613\u4e8e\u4f7f\u7528\u7684\u66ff\u4ee3\u65b9\u6848<\/strong>\u3002\u5728\u8fd9\u5176\u4e2d\uff0c\u4fdd\u6301\u5bf9\u8c61\u7684\u7ed3\u6784\u7a33\u5b9a\u6027<\/strong>\u662f\u975e\u5e38\u5173\u952e\u7684\u3002\u5728JavaScript\u4e2d\uff0c\u5bf9\u8c61\u88ab\u8bbe\u8ba1\u4e3a\u952e\u503c\u5bf9\u7684\u96c6\u5408\uff0c\u952e\u7684\u4e0d\u53d8\u6027\u662f\u786e\u4fdd\u5bf9\u8c61\u5c5e\u6027\u8bbf\u95ee\u548c\u4fee\u6539\u7684\u57fa\u672c\u524d\u63d0\u3002\u5982\u679c\u5141\u8bb8\u76f4\u63a5\u4fee\u6539\u952e\u540d\uff0c\u5c06\u5f88\u5bb9\u6613\u5bfc\u81f4\u5bf9\u8c61\u7ed3\u6784\u7684\u9884\u671f\u5916\u6539\u53d8\uff0c\u589e\u52a0\u4e86\u4ee3\u7801\u7684\u4e0d\u53ef\u9884\u6d4b\u6027\uff0c\u4ece\u800c\u53ef\u80fd\u5f15\u53d1\u9519\u8bef\u548c\u8c03\u8bd5\u56f0\u96be\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4fdd\u6301\u5bf9\u8c61\u7684\u7ed3\u6784\u7a33\u5b9a\u6027<\/h3>\n<\/p>\n

\u5bf9\u8c61\u5728JavaScript\u4e2d\u662f\u4e00\u79cd\u975e\u5e38\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u4eec\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\u3002\u5bf9\u8c61\u7684\u952e\uff08\u6216\u5c5e\u6027\u540d\uff09\u4f5c\u4e3a\u6570\u636e\u7684\u552f\u4e00\u6807\u8bc6\uff0c\u662f\u8bbf\u95ee\u548c\u64cd\u4f5c\u6570\u636e\u7684\u5173\u952e\u3002\u5982\u679cJavaScript\u5141\u8bb8\u76f4\u63a5\u4fee\u6539\u5bf9\u8c61\u7684\u952e\uff0c\u8fd9\u79cd\u7075\u6d3b\u6027\u5c06\u53d8\u6210\u4e00\u628a\u53cc\u5203\u5251\uff0c\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5bf9\u8c61\u7684\u7ed3\u6784\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u53d1\u751f\u610f\u5916\u7684\u53d8\u5316\u3002\u8fd9\u6837\u4e0d\u4ec5\u589e\u52a0\u4e86\u7a0b\u5e8f\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u8fd8\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u7684\u4e22\u5931\u6216\u8bbf\u95ee\u9519\u8bef\u3002\u4e3a\u4e86\u7ef4\u6301\u5bf9\u8c61\u7ed3\u6784\u7684\u7a33\u5b9a\u6027\uff0c\u907f\u514d\u8fd9\u7c7b\u95ee\u9898\uff0cJavaScript\u8bbe\u8ba1\u51b3\u5b9a\u4e0d\u63d0\u4f9b\u76f4\u63a5\u4fee\u6539\u952e\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u907f\u514d\u589e\u52a0\u8bed\u8a00\u590d\u6742\u5ea6<\/h3>\n<\/p>\n

\u8bed\u8a00\u7684\u8bbe\u8ba1\u54f2\u5b66\u4e4b\u4e00\u662f\u4fdd\u6301\u7b80\u6d01\u6027\u3002\u5f15\u5165\u76f4\u63a5\u4fee\u6539\u5bf9\u8c61\u952e\u7684\u529f\u80fd\uff0c\u5c06\u589e\u52a0JavaScript\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u4f7f\u5f97\u8bed\u8a00\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002\u8fd9\u4e0d\u4ec5\u4f1a\u7ed9\u8bed\u8a00\u7684\u5b66\u4e60\u8005\u5e26\u6765\u66f4\u9ad8\u7684\u5b66\u4e60\u6210\u672c\uff0c\u800c\u4e14\u5bf9\u4e8e\u8bed\u8a00\u7684\u89e3\u6790\u548c\u5b9e\u73b0\u4e5f\u4f1a\u63d0\u51fa\u66f4\u9ad8\u7684\u8981\u6c42\u3002\u590d\u6742\u5316\u7684\u8bed\u8a00\u7279\u6027\u6709\u53ef\u80fd\u5bfc\u81f4\u89e3\u91ca\u5668\u6216\u7f16\u8bd1\u5668\u5728\u5904\u7406\u8fd9\u4e9b\u7279\u6027\u65f6\u53d1\u751f\u6027\u80fd\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u4fdd\u6301JavaScript\u8bed\u8a00\u7684\u6e05\u6670\u548c\u9ad8\u6548\uff0c\u8bbe\u8ba1\u8005\u9009\u62e9\u4e86\u4e0d\u5f15\u5165\u4fee\u6539\u5bf9\u8c61\u952e\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u9884\u9632\u6027\u80fd\u95ee\u9898<\/h3>\n<\/p>\n

\u5728JavaScript\u5f15\u64ce\u5185\u90e8\uff0c\u5bf9\u8c61\u901a\u5e38\u901a\u8fc7\u54c8\u5e0c\u8868\u6765\u5b9e\u73b0\u3002\u5bf9\u8c61\u7684\u952e\u4f1a\u901a\u8fc7\u54c8\u5e0c\u51fd\u6570\u8f6c\u6362\u6210\u54c8\u5e0c\u7801\uff0c\u7136\u540e\u7528\u4e8e\u5b9a\u4f4d\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u503c\u3002\u5982\u679c\u5141\u8bb8\u9891\u7e41\u4fee\u6539\u5bf9\u8c61\u7684\u952e\uff0c\u6bcf\u6b21\u4fee\u6539\u90fd\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\u54c8\u5e0c\u7801\u5e76\u66f4\u65b0\u54c8\u5e0c\u8868\uff0c\u8fd9\u65e0\u7591\u4f1a\u589e\u52a0\u989d\u5916\u7684\u6027\u80fd\u5f00\u9500\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u578b\u6216\u590d\u6742\u5bf9\u8c61\u65f6\u3002\u4e3a\u4e86\u4f18\u5316\u6027\u80fd\uff0c\u4fdd\u8bc1\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\uff0c\u907f\u514d\u5f15\u5165\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7684\u673a\u5236\uff0cJavaScript\u8bbe\u8ba1\u4e2d\u907f\u514d\u63d0\u4f9b\u4fee\u6539\u5bf9\u8c61\u952e\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u56db\u3001\u5b58\u5728\u6613\u4e8e\u4f7f\u7528\u7684\u66ff\u4ee3\u65b9\u6848<\/h3>\n<\/p>\n

\u867d\u7136JavaScript\u672c\u8eab\u4e0d\u63d0\u4f9b\u76f4\u63a5\u4fee\u6539\u5bf9\u8c61\u952e\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7\u5220\u9664\u539f\u6709\u952e\u5e76\u6dfb\u52a0\u4e00\u4e2a\u65b0\u952e\u6765\u95f4\u63a5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff0c\u540c\u65f6\u4fdd\u7559\u539f\u952e\u6240\u5bf9\u5e94\u7684\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u5728\u64cd\u4f5c\u4e0a\u6bd4\u76f4\u63a5\u4fee\u6539\u952e\u540d\u8981\u591a\u4e00\u6b65\uff0c\u4f46\u662f\u5b83\u65e2\u4fdd\u8bc1\u4e86\u5bf9\u8c61\u7ed3\u6784\u7684\u7a33\u5b9a\u6027\uff0c\u53c8\u907f\u514d\u4e86\u589e\u52a0\u8bed\u8a00\u590d\u6742\u5ea6\u548c\u53ef\u80fd\u7684\u6027\u80fd\u95ee\u9898\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e5f\u7ed9\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u63a7\u5236\u80fd\u529b\u548c\u7075\u6d3b\u6027\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<\/p>\n

function renameKey(obj, oldKey, newKey) {<\/p>\n
    if (oldKey !== newKey && obj.hasOwnProperty(oldKey)) {<\/p>\n
        obj[newKey] = obj[oldKey];<\/p>\n
        delete obj[oldKey];<\/p>\n
    }<\/p>\n
    return obj;<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u6837\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u4fee\u6539\u5bf9\u8c61\u952e\u7684\u9700\u6c42\uff0c\u540c\u65f6\u907f\u514d\u4e86\u76f4\u63a5\u4fee\u6539\u5bf9\u8c61\u952e\u53ef\u80fd\u5f15\u5165\u7684\u95ee\u9898\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u5b58\u5728\u4e5f\u4ece\u53e6\u4e00\u4e2a\u4fa7\u9762\u8bf4\u660e\u4e86\uff0cJavaScript\u8bbe\u8ba1\u8005\u901a\u8fc7\u4e0d\u63d0\u4f9b\u76f4\u63a5\u4fee\u6539\u952e\u7684\u529f\u80fd\uff0c\u5b9e\u9645\u4e0a\u662f\u5728\u9f13\u52b1\u5f00\u53d1\u8005\u91c7\u7528\u66f4\u4e3a\u7a33\u59a5\u548c\u9ad8\u6548\u7684\u7f16\u7a0b\u6a21\u5f0f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u4e3a\u4ec0\u4e48JavaScript\u6ca1\u6709\u63d0\u4f9b\u4fee\u6539\u5bf9\u8c61\u7c7b\u578bKey\u7684\u529f\u80fd\uff1f<\/strong><\/p>\n
\u4fee\u6539\u5bf9\u8c61\u7c7b\u578bKey\u7684\u529f\u80fd\u5728JavaScript\u4e2d\u88ab\u6392\u9664\uff0c\u662f\u4e3a\u4e86\u786e\u4fdd\u4ee3\u7801\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5141\u8bb8\u4fee\u6539\u5bf9\u8c61\u7c7b\u578bKey\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u7684\u6df7\u4e71\u548c\u9519\u8bef\uff0c\u56e0\u4e3aKey\u5728\u5bf9\u8c61\u7684\u6807\u8bc6\u548c\u8bbf\u95ee\u4e2d\u5177\u6709\u91cd\u8981\u7684\u4f5c\u7528\u3002\u6b64\u5916\uff0cJavaScript\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u7b80\u5355\u548c\u7075\u6d3b\uff0c\u4e3a\u4e86\u4fdd\u6301\u8bed\u8a00\u7684\u7edf\u4e00\u6027\uff0c\u51b3\u5b9a\u4e0d\u63d0\u4f9b\u8fd9\u79cd\u529f\u80fd\u3002<\/p>\n
\u5bf9\u8c61\u7684Key\u4e0d\u53ef\u4fee\u6539\u6709\u54ea\u4e9b\u597d\u5904\u548c\u4f18\u52bf\uff1f<\/strong><\/p>\n
\u5bf9\u8c61\u7684Key\u4e0d\u53ef\u4fee\u6539\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5f3a\u7684\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5bf9\u8c61\u7684Key\u6765\u7406\u89e3\u8be5\u5c5e\u6027\u7684\u4f5c\u7528\u548c\u610f\u4e49\u3002\u5982\u679cKey\u53ef\u4ee5\u88ab\u4fee\u6539\uff0c\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u5c06\u5927\u5927\u964d\u4f4e\uff0c\u5e76\u4e14\u96be\u4ee5\u8ddf\u8e2a\u548c\u7ef4\u62a4\u3002<\/p>\n
\u6b64\u5916\uff0c\u5bf9\u8c61\u7684Key\u4e0d\u53ef\u4fee\u6539\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u6267\u884c\u7684\u6548\u7387\u3002\u5728JavaScript\u5f15\u64ce\u4e2d\uff0c\u5bf9\u8c61\u7684Key\u88ab\u5b58\u50a8\u5728\u5185\u90e8\u7684\u54c8\u5e0c\u8868\u4e2d\uff0c\u901a\u8fc7\u54c8\u5e0c\u7b97\u6cd5\u6765\u5feb\u901f\u67e5\u627e\u548c\u8bbf\u95ee\u3002\u5982\u679cKey\u53ef\u4ee5\u88ab\u4fee\u6539\uff0c\u5c06\u5bfc\u81f4\u54c8\u5e0c\u8868\u7684\u53d8\u52a8\uff0c\u8fdb\u800c\u5f71\u54cd\u5bf9\u8c61\u7684\u6027\u80fd\u3002<\/p>\n
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