{"id":168016,"date":"2024-05-08T16:14:54","date_gmt":"2024-05-08T08:14:54","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/168016.html"},"modified":"2024-05-08T16:15:00","modified_gmt":"2024-05-08T08:15:00","slug":"javascript-%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e9%80%92%e5%bd%92%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/168016.html","title":{"rendered":"javascript \u4e2d\u5982\u4f55\u5b9e\u73b0\u9012\u5f52\u51fd\u6570"},"content":{"rendered":"

\"javascript<\/p>\n

\u5728JavaScript\u4e2d\u5b9e\u73b0\u9012\u5f52\u51fd\u6570\u7684\u5173\u952e\u662f\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u8c03\u7528\u81ea\u8eab\u3002\u9012\u5f52\u51fd\u6570\u9700\u8981\u6ee1\u8db3\u4e24\u4e2a\u57fa\u672c\u6761\u4ef6\uff1a\u57fa\u51c6\u60c5\u51b5\uff08\u7ec8\u6b62\u9012\u5f52\u7684\u6761\u4ef6\uff09\u548c\u9012\u5f52\u6b65\u9aa4\uff08\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u4ee5\u89e3\u51b3\u95ee\u9898\u7684\u4e00\u4e2a\u66f4\u5c0f\u90e8\u5206\uff09<\/strong>\u3002\u5176\u4e2d\uff0c\u786e\u7acb\u6709\u6548\u7684\u57fa\u51c6\u60c5\u51b5\u5c24\u4e3a\u5173\u952e\uff0c\u56e0\u4e3a\u5b83\u80fd\u9632\u6b62\u51fd\u6570\u8fdb\u5165\u65e0\u9650\u5faa\u73af\uff0c\u786e\u4fdd\u6bcf\u6b21\u9012\u5f52\u8c03\u7528\u90fd\u80fd\u5411\u7740\u7ed3\u675f\u6761\u4ef6\u9760\u8fd1\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3\u9012\u5f52<\/strong><\/h3>\n<\/p>\n

\u9012\u5f52\u662f\u4e00\u79cd\u5728\u51fd\u6570\u5185\u8c03\u7528\u81ea\u8eab\u7684\u8fc7\u7a0b\u3002\u5728\u7f16\u7a0b\u4e2d\uff0c\u9012\u5f52\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u89e3\u51b3\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u9700\u8981\u5206\u89e3\u4e3a\u66f4\u5c0f\u540c\u7c7b\u95ee\u9898\u7684\u4efb\u52a1\u65f6\u3002\u5728\u5b9e\u73b0\u9012\u5f52\u51fd\u6570\u65f6\uff0c\u6700\u91cd\u8981\u7684\u4e24\u4e2a\u90e8\u5206\u662f\u5b9a\u4e49\u7ec8\u6b62\u6761\u4ef6\u548c\u9012\u5f52\u903b\u8f91\u3002<\/p>\n<\/p>\n

    \n
  • \u57fa\u51c6\u60c5\u51b5\uff08\u7ec8\u6b62\u6761\u4ef6\uff09<\/strong>\uff1a\u8fd9\u662f\u9012\u5f52\u8c03\u7528\u505c\u6b62\u7684\u70b9\u3002\u6ca1\u6709\u8fd9\u4e2a\u6761\u4ef6\uff0c\u9012\u5f52\u5c06\u65e0\u9650\u8fdb\u884c\u4e0b\u53bb\uff0c\u5bfc\u81f4\u8c03\u7528\u6808\u6ea2\u51fa\u9519\u8bef\u3002<\/li>\n
  • \u9012\u5f52\u6b65\u9aa4<\/strong>\uff1a\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u51fd\u6570\u5c06\u4efb\u52a1\u5206\u89e3\u4e3a\u8f83\u5c0f\u7684\u4efb\u52a1\uff0c\u5e76\u81ea\u6211\u8c03\u7528\u6765\u89e3\u51b3\u8fd9\u4e9b\u8f83\u5c0f\u7684\u4efb\u52a1\u3002<\/li>\n<\/ul>\n

    \u4e8c\u3001\u9012\u5f52\u51fd\u6570\u7684\u5b9e\u73b0<\/strong><\/h3>\n<\/p>\n

    \u9012\u5f52\u51fd\u6570\u7684\u5b9e\u73b0\u9075\u5faa\u4e00\u5b9a\u7684\u6a21\u5f0f\uff0c\u8fd9\u91cc\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u2014\u2014\u8ba1\u7b97\u6570\u5b57n\u7684\u9636\u4e58\uff08n!\uff09\u6765\u8bf4\u660e\u3002\u5728\u6570\u5b66\u4e2d\uff0cn! \u8868\u793a\u4ece 1 \u5230 n \u6240\u6709\u6574\u6570\u7684\u4e58\u79ef\u3002<\/p>\n<\/p>\n

    function factorial(n) {<\/p>\n
      \/\/ \u57fa\u51c6\u60c5\u51b5<\/p>\n
      if (n === 0 || n === 1) {<\/p>\n
        return 1;<\/p>\n
      } else {<\/p>\n
        \/\/ \u9012\u5f52\u6b65\u9aa4<\/p>\n
        return n * factorial(n - 1);<\/p>\n
      }<\/p>\n
    }<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u57fa\u51c6\u60c5\u51b5\u662f\u5f53n<\/code>\u7b49\u4e8e0\u62161\u65f6\uff0c\u56e0\u4e3a0!\u548c1!\u7684\u503c\u90fd\u662f1\u3002\u9012\u5f52\u6b65\u9aa4\u662f\u7528n<\/code>\u4e58\u4ee5n-1<\/code>\u7684\u9636\u4e58\uff0c\u5176\u4e2dn-1<\/code>\u7684\u9636\u4e58\u901a\u8fc7\u9012\u5f52\u8c03\u7528factorial<\/code>\u51fd\u6570\u5f97\u5230\u3002<\/p>\n<\/p>\n
    \u4e09\u3001\u9012\u5f52\u51fd\u6570\u7684\u5e94\u7528<\/strong><\/h3>\n<\/p>\n
    \u9012\u5f52\u51fd\u6570\u5728\u5904\u7406\u50cf\u6811\u5f62\u7ed3\u6784\u3001\u56fe\u5f62\u904d\u5386\u7b49\u95ee\u9898\u65f6\u5c24\u4e3a\u9ad8\u6548\u3002\u4ee5\u4e0b\u662f\u9012\u5f52\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5e94\u7528\u793a\u4f8b\u3002<\/p>\n<\/p>\n
    \u5904\u7406\u6811\u5f62\u7ed3\u6784<\/strong><\/h4>\n<\/p>\n
    \u5728\u5904\u7406\u50cfDOM\u6811\u6216\u8005\u516c\u53f8\u7ec4\u7ec7\u7ed3\u6784\u8fd9\u6837\u7684\u5c42\u7ea7\u6570\u636e\u65f6\uff0c\u9012\u5f52\u63d0\u4f9b\u4e86\u4e00\u79cd\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u6bcf\u4e2a\u8282\u70b9\u3002<\/p>\n<\/p>\n
    function traverseTree(node) {<\/p>\n
      if (node.children.length) {<\/p>\n
        node.children.forEach(child => {<\/p>\n
          traverseTree(child);<\/p>\n
        });<\/p>\n
      }<\/p>\n
      console.log(node.name);<\/p>\n
    }<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u641c\u7d22\u548c\u6392\u5e8f\u7b97\u6cd5<\/strong><\/h4>\n<\/p>\n
    \u8bb8\u591a\u9ad8\u6548\u7684\u641c\u7d22\u548c\u6392\u5e8f\u7b97\u6cd5\uff0c\u5982\u4e8c\u5206\u67e5\u627e\u3001\u5feb\u901f\u6392\u5e8f\u7b49\uff0c\u5176\u6838\u5fc3\u90fd\u91c7\u7528\u4e86\u9012\u5f52\u7684\u601d\u60f3\u3002<\/p>\n<\/p>\n
    \u56db\u3001\u7406\u89e3\u9012\u5f52\u7684\u6311\u6218<\/strong><\/h3>\n<\/p>\n
    \u867d\u7136\u9012\u5f52\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u7f16\u7a0b\u8303\u5f0f\uff0c\u4f46\u5b83\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u6311\u6218\uff0c\u4e3b\u8981\u5305\u62ec\u6027\u80fd\u95ee\u9898\u548c\u8c03\u7528\u6808\u6ea2\u51fa\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n
      \n
    • \u6027\u80fd\u95ee\u9898<\/strong>\uff1a\u7531\u4e8e\u6bcf\u6b21\u9012\u5f52\u8c03\u7528\u90fd\u9700\u8981\u4fdd\u5b58\u5f53\u524d\u7684\u51fd\u6570\u6267\u884c\u4e0a\u4e0b\u6587\uff0c\u5f53\u9012\u5f52\u5c42\u6b21\u592a\u6df1\u65f6\uff0c\u5c06\u6d88\u8017\u5927\u91cf\u7684\u5185\u5b58\u3002<\/li>\n
    • \u8c03\u7528\u6808\u6ea2\u51fa<\/strong>\uff1aJavaScript\u5f15\u64ce\u9650\u5236\u4e86\u8c03\u7528\u6808\u7684\u5927\u5c0f\uff0c\u9012\u5f52\u8c03\u7528\u8d85\u8fc7\u4e00\u5b9a\u6df1\u5ea6\u4f1a\u5bfc\u81f4\u201c\u6808\u6ea2\u51fa\u201d\u9519\u8bef\u3002<\/li>\n<\/ul>\n
      \u4e94\u3001\u4f18\u5316\u9012\u5f52\u51fd\u6570<\/strong><\/h3>\n<\/p>\n
      \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u6765\u4f18\u5316\u9012\u5f52\u51fd\u6570\u3002<\/p>\n<\/p>\n
      \u5c3e\u9012\u5f52\u4f18\u5316<\/strong><\/h4>\n<\/p>\n
      ES6\u5f15\u5165\u4e86\u5c3e\u8c03\u7528\u4f18\u5316\u3002\u5982\u679c\u9012\u5f52\u8c03\u7528\u662f\u51fd\u6570\u4f53\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u64cd\u4f5c\uff0c\u4e14\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\uff0c\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u6765\u51cf\u5c11\u8c03\u7528\u6808\u7684\u5927\u5c0f\uff0c\u4ece\u800c\u907f\u514d\u6808\u6ea2\u51fa\u3002<\/p>\n<\/p>\n
      \u8fed\u4ee3\u66ff\u4ee3<\/strong><\/h4>\n<\/p>\n
      \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fed\u4ee3\u4ee3\u66ff\u9012\u5f52\u6765\u89e3\u51b3\u95ee\u9898\u3002\u8fd9\u6837\u505a\u51cf\u5c11\u4e86\u5185\u5b58\u7684\u4f7f\u7528\uff0c\u56e0\u4e3a\u8fed\u4ee3\u4e0d\u9700\u8981\u50cf\u9012\u5f52\u90a3\u6837\u5728\u6bcf\u6b21\u8c03\u7528\u65f6\u4fdd\u5b58\u51fd\u6570\u7684\u6267\u884c\u4e0a\u4e0b\u6587\u3002<\/p>\n<\/p>\n
      \u516d\u3001\u7ed3\u8bba<\/strong><\/h3>\n<\/p>\n
      \u9012\u5f52\u51fd\u6570\u662fJavaScript\u4e2d\u5904\u7406\u590d\u6742\u95ee\u9898\u7684\u6709\u529b\u5de5\u5177\uff0c\u7279\u522b\u9002\u7528\u4e8e\u90a3\u4e9b\u53ef\u4ee5\u5206\u89e3\u4e3a\u66f4\u5c0f\u76f8\u4f3c\u95ee\u9898\u7684\u4efb\u52a1\u3002\u7136\u800c\uff0c\u6b63\u786e\u5730\u5b9e\u73b0\u9012\u5f52\u51fd\u6570\u9700\u8981\u4e25\u683c\u5b9a\u4e49\u57fa\u51c6\u60c5\u51b5\uff0c\u5e76\u6ce8\u610f\u9012\u5f52\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6df1\u5ea6\u9650\u5236\u3002\u901a\u8fc7\u9002\u5f53\u7684\u4f18\u5316\u548c\u5728\u5408\u9002\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u9012\u5f52\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5145\u5206\u5229\u7528\u9012\u5f52\u5e26\u6765\u7684\u7f16\u7a0b\u4f18\u52bf\u3002<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
      1. \u4ec0\u4e48\u662f\u9012\u5f52\u51fd\u6570\uff1f\u5982\u4f55\u5728 JavaScript \u4e2d\u5b9e\u73b0\u9012\u5f52\u51fd\u6570\uff1f<\/strong><\/p>\n
      \u9012\u5f52\u51fd\u6570\u662f\u6307\u5728\u51fd\u6570\u5185\u90e8\u8c03\u7528\u81ea\u8eab\u7684\u51fd\u6570\u3002\u5728 JavaScript \u4e2d\uff0c\u8981\u5b9e\u73b0\u9012\u5f52\u51fd\u6570\uff0c\u9996\u5148\u9700\u8981\u786e\u5b9a\u9012\u5f52\u7684\u7ed3\u675f\u6761\u4ef6\uff0c\u4e5f\u79f0\u4e3a\u57fa\u672c\u60c5\u51b5\u3002\u5f53\u8fbe\u5230\u57fa\u672c\u60c5\u51b5\u65f6\uff0c\u9012\u5f52\u51fd\u6570\u5c06\u505c\u6b62\u6267\u884c\u5e76\u8fd4\u56de\u7ed3\u679c\u3002\u5426\u5219\uff0c\u9012\u5f52\u51fd\u6570\u5c06\u7ee7\u7eed\u8c03\u7528\u81ea\u8eab\u76f4\u5230\u8fbe\u5230\u57fa\u672c\u60c5\u51b5\u3002<\/p>\n
      2. \u9012\u5f52\u51fd\u6570\u5728 JavaScript \u4e2d\u7684\u4f7f\u7528\u573a\u666f\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n
      \u9012\u5f52\u51fd\u6570\u5728\u5904\u7406\u6811\u5f62\u7ed3\u6784\u3001\u94fe\u8868\u4ee5\u53ca\u5176\u4ed6\u53ef\u81ea\u6211\u5f15\u7528\u7684\u6570\u636e\u7ed3\u6784\u65f6\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u4e8c\u53c9\u6811\u4e2d\u67e5\u627e\u67d0\u4e2a\u8282\u70b9\u6216\u8ba1\u7b97\u9636\u4e58\u7b49\u60c5\u51b5\u4e0b\uff0c\u9012\u5f52\u51fd\u6570\u53ef\u4ee5\u63d0\u4f9b\u4e00\u79cd\u7b80\u6d01\u800c\u4f18\u96c5\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
      3. \u5982\u4f55\u907f\u514d\u9012\u5f52\u51fd\u6570\u5bfc\u81f4\u7684\u6027\u80fd\u95ee\u9898\uff1f<\/strong><\/p>\n
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