{"id":3650,"date":"2024-11-10T13:47:52","date_gmt":"2024-11-10T05:47:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3650\/"},"modified":"2024-11-10T13:47:52","modified_gmt":"2024-11-10T05:47:52","slug":"javascript-%e8%84%9a%e6%9c%ac%e8%b0%83%e7%94%a8%e6%8a%a5%e9%94%99typeerror-undefined-is-not-an-object%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3650\/","title":{"rendered":"JavaScript \u811a\u672c\u8c03\u7528\u62a5\u9519\u201cTypeError: &#8216;undefined&#8217; is not an object\u201d\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173111122176149.jpg\" class=\"aligncenter\" title=\"JavaScript \u811a\u672c\u8c03\u7528\u62a5\u9519\u201cTypeError: &#8216;undefined&#8217; is not an object\u201d\u600e\u4e48\u529e\uff1f\u63d2\u56fe\" alt=\"JavaScript \u811a\u672c\u8c03\u7528\u62a5\u9519\u201cTypeError: &#8216;undefined&#8217; is not an object\u201d\u600e\u4e48\u529e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4e0b\u8f7d\u7684 JavaScript \u811a\u672c\u8c03\u7528\u65f6\u62a5\u9519<\/strong><\/p>\n<p>\u5728\u7f51\u4e0a\u4e0b\u8f7d\u7684 JavaScript \u811a\u672c\u8c03\u7528\u65f6\uff0c\u53ef\u80fd\u51fa\u73b0 TypeError: &#8216;undefined&#8217; is not an object \u9519\u8bef\u3002\u6b64\u9519\u8bef\u901a\u5e38\u662f\u56e0\u4e3a\u811a\u672c\u4f9d\u8d56\u4e8e\u5916\u90e8\u672a\u5b9a\u4e49\u7684\u5bf9\u8c61\u6216\u51fd\u6570\u3002<\/p>\n<p>\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u786e\u4fdd\u811a\u672c\u4e2d\u4f7f\u7528\u7684\u6240\u6709\u5bf9\u8c61\u548c\u51fd\u6570\u5df2\u6b63\u786e\u5b9a\u4e49\u5e76\u52a0\u8f7d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u786e\u8ba4\u811a\u672c\u662f\u5426\u6b63\u786e\u94fe\u63a5\u5230 HTML \u6587\u6863\u4e2d\u3002<\/li>\n<li>\u68c0\u67e5\u811a\u672c\u662f\u5426\u4f9d\u8d56\u4e8e\u5176\u4ed6 JavaScript \u6587\u4ef6\uff0c\u4e14\u8fd9\u4e9b\u6587\u4ef6\u5df2\u6b63\u786e\u52a0\u8f7d\u3002<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u5c1d\u8bd5\u8bbf\u95ee\u672a\u5b9a\u4e49\u7684\u5168\u5c40\u53d8\u91cf\u6216\u5bf9\u8c61\u5c5e\u6027\u3002<\/li>\n<li>\u5982\u679c\u811a\u672c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u8bf7\u786e\u4fdd\u5df2\u6b63\u786e\u5b89\u88c5\u5e76\u5f15\u7528\u4e86\u8be5\u5e93\u3002<\/li>\n<\/ul>\n<p>\u6839\u636e\u9519\u8bef\u4fe1\u606f\u4e2d\u7684\u5177\u4f53\u63d0\u793a\uff0c\u60a8\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6392\u67e5\u95ee\u9898\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJavaScript \u811a\u672c\u8c03\u7528\u62a5\u9519\u201cTypeError: &#8216;undefined&#8217; is not an object\u201d\u600e\u4e48\u529e\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>\u4e0b\u8f7d\u7684 JavaScript \u811a\u672c\u8c03\u7528\u65f6\u62a5\u9519 \u5728\u7f51\u4e0a\u4e0b\u8f7d\u7684 JavaScript \u811a\u672c\u8c03\u7528\u65f6\uff0c\u53ef\u80fd\u51fa\u73b0 TypeError: &#8216;undefined&#8217; is not an object \u9519\u8bef\u3002\u6b64\u9519\u8bef\u901a\u5e38\u662f\u56e0\u4e3a\u811a\u672c\u4f9d\u8d56\u4e8e\u5916\u90e8\u672a\u5b9a\u4e49\u7684\u5bf9\u8c61\u6216\u51fd\u6570\u3002 \u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u786e\u4fdd\u811a\u672c\u4e2d\u4f7f\u7528\u7684\u6240\u6709\u5bf9\u8c61\u548c\u51fd\u6570\u5df2\u6b63\u786e\u5b9a\u4e49\u5e76\u52a0\u8f7d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848\uff1a \u786e\u8ba4\u811a\u672c\u662f\u5426\u6b63\u786e\u94fe\u63a5\u5230 HTML \u6587\u6863\u4e2d\u3002 \u68c0\u67e5\u811a\u672c\u662f\u5426\u4f9d\u8d56\u4e8e\u5176\u4ed6 JavaScript \u6587\u4ef6\uff0c\u4e14\u8fd9\u4e9b\u6587\u4ef6\u5df2\u6b63\u786e\u52a0\u8f7d\u3002 \u68c0\u67e5\u662f\u5426\u5c1d\u8bd5\u8bbf\u95ee\u672a\u5b9a\u4e49\u7684\u5168\u5c40\u53d8\u91cf\u6216\u5bf9\u8c61\u5c5e\u6027\u3002 \u5982\u679c\u811a\u672c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u8bf7\u786e\u4fdd\u5df2\u6b63\u786e\u5b89\u88c5\u5e76\u5f15\u7528\u4e86\u8be5\u5e93\u3002 \u6839\u636e\u9519\u8bef\u4fe1\u606f\u4e2d\u7684\u5177\u4f53\u63d0\u793a\uff0c\u60a8\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6392\u67e5\u95ee\u9898\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ee5\u4e0a\u5c31\u662fJavaScript \u811a\u672c\u8c03\u7528\u62a5\u9519\u201cTypeError: &#8216;undefined&#8217; is not an object\u201d\u600e\u4e48\u529e\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3650","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=3650"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3650\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}