{"id":53227,"date":"2024-12-03T14:45:10","date_gmt":"2024-12-03T06:45:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53227\/"},"modified":"2024-12-03T14:45:10","modified_gmt":"2024-12-03T06:45:10","slug":"js-%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%97%b6%e5%87%ba%e7%8e%b0-undefined-%e7%9a%84%e5%8e%9f%e5%9b%a0%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%a6%82%e4%bd%95-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53227\/","title":{"rendered":"JS \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u65f6\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"

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

JS \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u65f6\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aJS \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u65f6\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\"JS<\/p>\n

js\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u5230\u7684\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u90fd\u6709\u4e2aundefined\u7684\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n

\u5728\u4f7f\u7528js\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u65f6\uff0c\u5982\u679c\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u51fa\u73b0undefined\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u6570\u7ec4\u521d\u59cb\u5316\u4e0d\u6b63\u786e\u3002\u4e00\u4e2a\u5178\u578b\u7684\u9519\u8bef\u662f\uff1a<\/p>\n

var lists = [];\n$(...).each(function (i) {\n  lists[i][] = [];\n  lists[i][0] += $(\"#one\").val();\n  \/\/ ...\n});<\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0clists[i][]\u7684\u5199\u6cd5\u5b58\u5728\u95ee\u9898\u3002\u5b83\u4f1a\u521b\u5efa\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u7136\u540e\u8bd5\u56fe\u5411\u8be5\u7a7a\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u3002\u4f46\u5b9e\u9645\u4e0a\uff0clists[i]\u672c\u8eab\u5e94\u8be5\u662f\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5305\u542b\u7a7a\u6570\u7ec4\u7684\u6570\u7ec4\u3002<\/p>\n
\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4ee3\u7801\u66f4\u6539\u4e3a\uff1a<\/p>\n
var lists = [];\n$(...).each(function (i) {\n  lists[i] = [];\n  lists[i][0] = $(\"#One\").val();\n  \/\/ ...\n});<\/pre>\n
\u901a\u8fc7\u8fd9\u4e00\u66f4\u6539\uff0clists[i]\u5c06\u76f4\u63a5\u6210\u4e3a\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u53ef\u4ee5\u6b63\u786e\u6dfb\u52a0\u5143\u7d20\u3002\u4ece\u800c\u907f\u514d\u5728\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u51fa\u73b0undefined\u3002<\/p>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
\n
<\/dt>\n
\n   win11\u6253cf\u8033\u673a\u6ca1\u58f0\u97f3\u600e\u4e48\u529e\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
JS \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u65f6\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff1f \u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aJS \u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u6570\u636e\u65f6\u51fa\u73b0 undefined \u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01 js\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u83b7\u53d6\u5230\u7684\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u90fd\u6709\u4e2aundefined\u7684\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5 \u5728\u4f7f\u7528js\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u65f6\uff0c\u5982\u679c\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u51fa\u73b0undefined\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u6570\u7ec4\u521d\u59cb\u5316\u4e0d\u6b63\u786e\u3002\u4e00\u4e2a\u5178\u578b\u7684\u9519\u8bef\u662f\uff1a var lists = []; $(…).each(function (i) { lists[i][] = []; lists[i][0] += $(“#one”).val(); \/\/ … }); \u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0clists[i][]\u7684\u5199\u6cd5\u5b58\u5728\u95ee\u9898\u3002\u5b83\u4f1a\u521b\u5efa\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u7136\u540e\u8bd5\u56fe\u5411\u8be5\u7a7a\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u3002\u4f46\u5b9e\u9645\u4e0a\uff0clists[i]\u672c\u8eab\u5e94\u8be5\u662f\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5305\u542b\u7a7a\u6570\u7ec4\u7684\u6570\u7ec4\u3002 \u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4ee3\u7801\u66f4\u6539\u4e3a\uff1a var lists = []; $(…).each(function (i) { lists[i] = []; lists[i][0] = $(“#One”).val(); \/\/ … }); \u901a\u8fc7\u8fd9\u4e00\u66f4\u6539\uff0clists[i]\u5c06\u76f4\u63a5\u6210\u4e3a\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u53ef\u4ee5\u6b63\u786e\u6dfb\u52a0\u5143\u7d20\u3002\u4ece\u800c\u907f\u514d\u5728\u6570\u636e\u63a7\u4ef6\u6570\u636e\u524d\u9762\u51fa\u73b0undefined\u3002 \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~ win11\u6253cf\u8033\u673a\u6ca1\u58f0\u97f3\u600e\u4e48\u529e<\/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-53227","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53227","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=53227"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53227\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}