{"id":26606,"date":"2024-11-24T10:19:27","date_gmt":"2024-11-24T02:19:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26606\/"},"modified":"2024-11-24T10:19:27","modified_gmt":"2024-11-24T02:19:27","slug":"%e5%8e%8b%e7%bc%a9%e5%90%8e-js-%e5%87%bd%e6%95%b0%e6%98%be%e7%a4%ba-undefined%ef%bc%8c%e5%a6%82%e4%bd%95%e6%8e%92%e6%9f%a5%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26606\/","title":{"rendered":"\u538b\u7f29\u540e JS \u51fd\u6570\u663e\u793a undefined\uff0c\u5982\u4f55\u6392\u67e5\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173102743226397.jpg\" class=\"aligncenter\" title=\"\u538b\u7f29\u540e JS \u51fd\u6570\u663e\u793a undefined\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u63d2\u56fe\" alt=\"\u538b\u7f29\u540e JS \u51fd\u6570\u663e\u793a undefined\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u538b\u7f29\u540e js \u51fd\u6570\u663e\u793a undefined \u95ee\u9898\u6392\u67e5<\/strong><\/p>\n<p>\u5728\u538b\u7f29 JS \u6587\u4ef6\u540e\uff0c\u8c03\u7528\u51fd\u6570\u65f6\u51fa\u73b0 undefined \u9519\u8bef\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8be5\u9519\u8bef\u53ef\u80fd\u662f\u7531\u4e8e\u538b\u7f29\u5de5\u5177\u4f18\u5316\u4e86\u51fd\u6570\u540d\u79f0\u6216\u53c2\u6570\uff0c\u5bfc\u81f4\u8c03\u7528\u65f6\u65e0\u6cd5\u8bc6\u522b\u3002<\/p>\n<p>\u5728\u63d0\u4f9b\u7684\u538b\u7f29\u4ee3\u7801\u4e2d\uff0c\u867d\u7136\u51fd\u6570\u540d\u4fdd\u7559\u4e86\u539f\u6709\u7684\uff0c\u4f46\u4e0e\u538b\u7f29\u524d\u7684\u5b8c\u6574\u4ee3\u7801\u76f8\u6bd4\uff0c\u8fd8\u662f\u7f3a\u5c11\u4e86\u4e00\u90e8\u5206\uff1a<\/p>\n<pre>function nav_click('.navbar-nav');<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u5e94\u52a0\u4e0a\u62ec\u53f7\uff0c\u6b63\u786e\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>nav_click('.navbar-nav'); \/\/ \u9519\u8bef\n\nnav_click('.navbar-nav'); \/\/ \u6b63\u786e<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u56e0\u6b64\uff0c\u786e\u4fdd\u538b\u7f29\u540e\u7684\u4ee3\u7801\u5b8c\u6574\uff0c\u4e14\u8c03\u7528\u51fd\u6570\u65f6\u4f7f\u7528\u6b63\u786e\u7684\u65b9\u6cd5\u3002<\/p>\n<p><span>\u70b9\u51fb\u4e0b\u8f7d<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u538b\u7f29\u540e JS \u51fd\u6570\u663e\u793a undefined\uff0c\u5982\u4f55\u6392\u67e5\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u538b\u7f29\u540e js \u51fd\u6570\u663e\u793a undefined \u95ee\u9898\u6392\u67e5 \u5728\u538b\u7f29 JS \u6587\u4ef6\u540e\uff0c\u8c03\u7528\u51fd\u6570\u65f6\u51fa\u73b0 undefined \u9519\u8bef\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8be5\u9519\u8bef\u53ef\u80fd\u662f\u7531\u4e8e\u538b\u7f29\u5de5\u5177\u4f18\u5316\u4e86\u51fd\u6570\u540d\u79f0\u6216\u53c2\u6570\uff0c\u5bfc\u81f4\u8c03\u7528\u65f6\u65e0\u6cd5\u8bc6\u522b\u3002 \u5728\u63d0\u4f9b\u7684\u538b\u7f29\u4ee3\u7801\u4e2d\uff0c\u867d\u7136\u51fd\u6570\u540d\u4fdd\u7559\u4e86\u539f\u6709\u7684\uff0c\u4f46\u4e0e\u538b\u7f29\u524d\u7684\u5b8c\u6574\u4ee3\u7801\u76f8\u6bd4\uff0c\u8fd8\u662f\u7f3a\u5c11\u4e86\u4e00\u90e8\u5206\uff1a function nav_click(&#8216;.navbar-nav&#8217;); 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