{"id":1758,"date":"2024-11-10T13:50:42","date_gmt":"2024-11-10T05:50:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1758\/"},"modified":"2024-11-10T13:50:42","modified_gmt":"2024-11-10T05:50:42","slug":"javascript-%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e8%8e%b7%e5%8f%96%e6%95%b0%e6%8d%ae%e6%8e%a7%e4%bb%b6%e6%95%b0%e6%8d%ae%e5%87%ba%e7%8e%b0-undefined-%e7%9a%84%e5%8e%9f%e5%9b%a0%e6%98%af%e4%bb%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1758\/","title":{"rendered":"JavaScript \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u63a7\u4ef6\u6570\u636e\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\"JavaScript<\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u7684\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u6709 undefined \u7684\u539f\u56e0<\/strong><\/p>\n

\u5728 javascript \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u5e76\u83b7\u53d6\u6570\u636e\u63a7\u4ef6\u6570\u636e\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u4f1a\u83ab\u540d\u5176\u5999\u51fa\u73b0\u4e00\u4e2a undefined\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e00\u4e2a\u6f5c\u5728\u7684\u9519\u8bef\u5f15\u8d77\u7684\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n

var lists = [];\n$(\"#Model\").children(\"div\").each(function (i) {\n    lists[i] = []; \/\/ \u5c06 lists[i] \u521d\u59cb\u5316\u4e3a\u4e00\u4e2a\u7a7a\u6570\u7ec4\n    lists[i][0] = $(\"#One\").val();\n    lists[i][1] = $(\"#Two\").val();\n    lists[i][2] = $(\"#Thtee\").val();\n    lists[i][3] = $(\"#Four\").val();\n});<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u786e\u4fdd lists[i] \u5728\u586b\u5145\u6570\u636e\u4e4b\u524d\u88ab\u521d\u59cb\u5316\u4e3a\u7a7a\u6570\u7ec4\u3002\u8fd9\u5c06\u9632\u6b62\u5728\u6570\u7ec4\u4e2d\u6dfb\u52a0\u6570\u636e\u4e4b\u524d\u4e3a\u5176\u8d4b\u503c undefined\u3002\u8bf7\u6ce8\u610f\uff0c\u6211\u4eec\u8fd8\u7528\u6b63\u786e\u7684\u63a7\u4ef6 id\uff08\u5373 one\u3001two\u3001thtee \u548c four\uff09\u66ff\u6362\u4e86 one\u3001two<\/span>\u3001thtee \u4ee5\u53ca four<\/span>\uff0c\u8fd9\u4e9b\u63a7\u4ef6 id \u53ef\u80fd\u5728\u60a8\u7684\u539f\u59cb\u4ee3\u7801\u4e2d\u5199\u9519\u4e86\u3002<\/span><\/p>\n
\u4ee5\u4e0a\u5c31\u662fJavaScript \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u63a7\u4ef6\u6570\u636e\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\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":"
\u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u7684\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u6709 undefined \u7684\u539f\u56e0 \u5728 javascript \u4e2d\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u5e76\u83b7\u53d6\u6570\u636e\u63a7\u4ef6\u6570\u636e\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u4f1a\u83ab\u540d\u5176\u5999\u51fa\u73b0\u4e00\u4e2a undefined\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e00\u4e2a\u6f5c\u5728\u7684\u9519\u8bef\u5f15\u8d77\u7684\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a var lists = []; $(“#Model”).children(“div”).each(function (i) { lists[i] = []; \/\/ \u5c06 lists[i] \u521d\u59cb\u5316\u4e3a\u4e00\u4e2a\u7a7a\u6570\u7ec4 lists[i][0] = $(“#One”).val(); lists[i][1] = $(“#Two”).val(); lists[i][2] = $(“#Thtee”).val(); lists[i][3] = $(“#Four”).val(); }); \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u786e\u4fdd lists[i] \u5728\u586b\u5145\u6570\u636e\u4e4b\u524d\u88ab\u521d\u59cb\u5316\u4e3a\u7a7a\u6570\u7ec4\u3002\u8fd9\u5c06\u9632\u6b62\u5728\u6570\u7ec4\u4e2d\u6dfb\u52a0\u6570\u636e\u4e4b\u524d\u4e3a\u5176\u8d4b\u503c undefined\u3002\u8bf7\u6ce8\u610f\uff0c\u6211\u4eec\u8fd8\u7528\u6b63\u786e\u7684\u63a7\u4ef6 id\uff08\u5373 one\u3001two\u3001thtee \u548c four\uff09\u66ff\u6362\u4e86 one\u3001two\u3001thtee \u4ee5\u53ca four\uff0c\u8fd9\u4e9b\u63a7\u4ef6 id \u53ef\u80fd\u5728\u60a8\u7684\u539f\u59cb\u4ee3\u7801\u4e2d\u5199\u9519\u4e86\u3002 \u4ee5\u4e0a\u5c31\u662fJavaScript \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u63a7\u4ef6\u6570\u636e\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\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-1758","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1758","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=1758"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1758\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}