{"id":52110,"date":"2024-12-03T09:57:20","date_gmt":"2024-12-03T01:57:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52110\/"},"modified":"2024-12-03T09:57:20","modified_gmt":"2024-12-03T01:57:20","slug":"js-%e5%8e%8b%e7%bc%a9%e5%90%8e%e6%96%b9%e6%b3%95-undefined-%e9%97%ae%e9%a2%98%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e5%8e%8b%e7%bc%a9%e5%90%8e%e5%87%bd%e6%95%b0%e8%b0%83%e7%94%a8-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52110\/","title":{"rendered":"JS \u538b\u7f29\u540e\u65b9\u6cd5 undefined \u95ee\u9898\u89e3\u6790\uff1a\u4e3a\u4ec0\u4e48\u538b\u7f29\u540e\u51fd\u6570\u8c03\u7528\u4f1a\u62a5\u9519\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

JS \u538b\u7f29\u540e\u65b9\u6cd5 undefined \u95ee\u9898\u89e3\u6790\uff1a\u4e3a\u4ec0\u4e48\u538b\u7f29\u540e\u51fd\u6570\u8c03\u7528\u4f1a\u62a5\u9519\uff1f <\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aJS \u538b\u7f29\u540e\u65b9\u6cd5 undefined \u95ee\u9898\u89e3\u6790\uff1a\u4e3a\u4ec0\u4e48\u538b\u7f29\u540e\u51fd\u6570\u8c03\u7528\u4f1a\u62a5\u9519\uff1f \u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\"JS<\/p>\n

JS\u538b\u7f29\u540e\u65b9\u6cd5 undefined \u95ee\u9898\u89e3\u6790<\/strong><\/p>\n

\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5c06 JS \u6587\u4ef6\u538b\u7f29\u540e\uff0c\u8c03\u7528\u5176\u4e2d\u7684\u65b9\u6cd5\u65f6\u51fa\u73b0 undefined \u5f02\u5e38\u7684\u60c5\u51b5\u3002\u672c\u6587\u5c06\u5206\u6790\u6b64\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n

\u95ee\u9898\u91cd\u73b0<\/strong><\/p>\n

\u5047\u8bbe\u6709\u4e00\u4e2a JS \u6587\u4ef6\u5305\u542b\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n

function adduserlis(e, l) {\n  \/\/ ...\n}\n\nfunction add_category(e) {\n  \/\/ ...\n}<\/pre>\n
\u5728\u7f51\u9875\u4e2d\u5f15\u5165\u6b64 JS \u6587\u4ef6\uff0c\u5e76\u8c03\u7528\u5176\u4e2d\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n
<script src=\"script.js\"><\/script>\n<script>\n  nav_click('.navbar-nav');\n<\/script><\/pre>\n
\u4f46\u662f\uff0c\u5c06 script.js \u538b\u7f29\u540e\uff0c\u518d\u5f15\u5165\u7f51\u9875\u4e2d\uff0c\u8c03\u7528\u65b9\u6cd5\u65f6\u5c31\u4f1a\u51fa\u73b0 undefined \u5f02\u5e38\u3002<\/p>\n
\u539f\u56e0\u5206\u6790<\/strong><\/p>\n
JS \u538b\u7f29\u5de5\u5177\u4e00\u822c\u4f1a\u901a\u8fc7\u7f29\u5199\u53d8\u91cf\u3001\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u4ee3\u7801\u7b49\u65b9\u5f0f\u6765\u51cf\u5c0f\u6587\u4ef6\u5927\u5c0f\u3002\u5728\u538b\u7f29\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u91cd\u547d\u540d\u6216\u5220\u9664\u67d0\u4e9b\u51fd\u6570\u540d\uff0c\u5bfc\u81f4\u8c03\u7528\u65f6\u7684\u627e\u4e0d\u5230\u5bf9\u5e94\u7684\u51fd\u6570\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n
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    \n
  1. \u4fee\u590d\u538b\u7f29\u540e\u7684\u4ee3\u7801\uff1a<\/strong>\u6253\u5f00\u538b\u7f29\u540e\u7684\u4ee3\u7801\uff0c\u627e\u5230\u88ab\u91cd\u547d\u540d\u7684\u51fd\u6570\uff0c\u5e76\u5c06\u5176\u6062\u590d\u4e3a\u539f\u59cb\u540d\u79f0\u3002<\/li>\n
  2. \u4f7f\u7528\u51fd\u6570\u58f0\u660e\uff1a<\/strong>\u5c06\u51fd\u6570\u58f0\u660e\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u800c\u4e0d\u662f\u533f\u540d\u51fd\u6570\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
    var adduserlis = function(e, l) {\n  \/\/ ...\n};\n\nvar add_category = function(e) {\n  \/\/ ...\n};<\/pre>\n
    \u8fd9\u6837\uff0c\u5373\u4f7f\u538b\u7f29\u540e\uff0c\u51fd\u6570\u540d\u4e5f\u4e0d\u4f1a\u88ab\u66f4\u6539\uff0c\u4ece\u800c\u907f\u514d\u5f02\u5e38\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u300aJS \u538b\u7f29\u540e\u65b9\u6cd5 undefined \u95ee\u9898\u89e3\u6790\uff1a\u4e3a\u4ec0\u4e48\u538b\u7f29\u540e\u51fd\u6570\u8c03\u7528\u4f1a\u62a5\u9519\uff1f \u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
    \n
    <\/dt>\n
    \n   win10\u7cfb\u7edf\u63d0\u793apin\u4e0d\u53ef\u7528\u72b6\u60010xc000006d\u600e\u4e48\u89e3\u51b3\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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