{"id":3044,"date":"2024-11-10T10:54:39","date_gmt":"2024-11-10T02:54:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3044\/"},"modified":"2024-11-10T10:54:39","modified_gmt":"2024-11-10T02:54:39","slug":"js-%e8%a1%a8%e5%8d%95%e9%9d%9e%e7%a9%ba%e9%aa%8c%e8%af%81%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e6%88%91%e7%9a%84%e8%a1%a8%e5%8d%95%e6%8f%90%e4%ba%a4%e5%90%8e%e6%b2%a1%e6%9c%89%e6%98%be%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3044\/","title":{"rendered":"JS \u8868\u5355\u975e\u7a7a\u9a8c\u8bc1\uff1a\u4e3a\u4ec0\u4e48\u6211\u7684\u8868\u5355\u63d0\u4ea4\u540e\u6ca1\u6709\u663e\u793a\u9519\u8bef\u6d88\u606f\uff1f"},"content":{"rendered":"

\"JS<\/p>\n

js \u8868\u5355\u975e\u7a7a\u9a8c\u8bc1<\/strong><\/p>\n

\u5728 javascript \u4e2d\uff0c\u5bf9\u4e8e\u8868\u5355\u5b57\u6bb5\u7684\u975e\u7a7a\u9a8c\u8bc1\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u786e\u4fdd\u7528\u6237\u8f93\u5165\u6240\u9700\u7684\u4fe1\u606f\u3002\u5982\u679c\u60a8\u9047\u5230\u540e\u672a\u901a\u8fc7\u9a8c\u8bc1\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u662f\u7531\u4e8e javascript \u4ee3\u7801\u5b58\u5728\u9519\u8bef\u3002<\/p>\n

\u6839\u636e\u60a8\u63d0\u4f9b\u7684\u56fe\u7247\uff0c\u60a8\u5df2\u4f7f\u7528 .val() \u65b9\u6cd5\u83b7\u53d6 input \u5143\u7d20\u7684\u503c\uff0c\u4f46\u4ee3\u7801\u4e2d\u6ca1\u6709\u6761\u4ef6\u5224\u65ad\u6765\u68c0\u67e5\u503c\u662f\u5426\u4e3a\u7a7a\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a\u5728\u68c0\u67e5\u503c\u4e4b\u524d\uff0c\u8bf7\u5148\u4f7f\u7528 .val() \u65b9\u6cd5\u83b7\u53d6 input \u5143\u7d20\u7684\u503c\u3002\u5982\u679c\u503c\u4e3a\u7a7a\uff0c\u53ef\u4ee5\u901a\u8fc7 focused() \u65b9\u6cd5\u5c06\u7126\u70b9\u8bbe\u7f6e\u5230\u8be5\u5143\u7d20\uff0c\u5e76\u6839\u636e\u9700\u8981\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002<\/p>\n

\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

var mobile = $(\"#mobile\").val();\nif (!mobile) {\n  \/\/ \u5982\u679c\u624b\u673a\u53f7\u7801\u4e3a\u7a7a\uff0c\u8bbe\u7f6e\u7126\u70b9\u5e76\u663e\u793a\u9519\u8bef\u6d88\u606f\n  $(\"#mobile\").focus();\n  alert(\"\u8bf7\u8f93\u5165\u624b\u673a\u53f7\u7801\");\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u6837\uff0c\u5f53\u60a8\u63d0\u4ea4\u8868\u5355\u65f6\uff0c\u5982\u679c\u624b\u673a\u53f7\u5b57\u6bb5\u4e3a\u7a7a\uff0c\u4ee3\u7801\u5c06\u6b63\u786e\u963b\u6b62\u63d0\u4ea4\u5e76\u63d0\u4f9b\u9519\u8bef\u6d88\u606f\uff0c\u540c\u65f6\u4e5f\u4e3a\u7528\u6237\u8bbe\u7f6e\u7126\u70b9\uff0c\u4ee5\u65b9\u4fbf\u5176\u66f4\u6b63\u8f93\u5165\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fJS \u8868\u5355\u975e\u7a7a\u9a8c\u8bc1\uff1a\u4e3a\u4ec0\u4e48\u6211\u7684\u540e\u6ca1\u6709\u663e\u793a\u9519\u8bef\u6d88\u606f\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":"
js \u8868\u5355\u975e\u7a7a\u9a8c\u8bc1 \u5728 javascript \u4e2d\uff0c\u5bf9\u4e8e\u8868\u5355\u5b57\u6bb5\u7684\u975e\u7a7a\u9a8c\u8bc1\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u786e\u4fdd\u7528\u6237\u8f93\u5165\u6240\u9700\u7684\u4fe1\u606f\u3002\u5982\u679c\u60a8\u9047\u5230\u540e\u672a\u901a\u8fc7\u9a8c\u8bc1\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u662f\u7531\u4e8e javascript \u4ee3\u7801\u5b58\u5728\u9519\u8bef\u3002 \u6839\u636e\u60a8\u63d0\u4f9b\u7684\u56fe\u7247\uff0c\u60a8\u5df2\u4f7f\u7528 .val() \u65b9\u6cd5\u83b7\u53d6 input \u5143\u7d20\u7684\u503c\uff0c\u4f46\u4ee3\u7801\u4e2d\u6ca1\u6709\u6761\u4ef6\u5224\u65ad\u6765\u68c0\u67e5\u503c\u662f\u5426\u4e3a\u7a7a\u3002 \u89e3\u51b3\u65b9\u6848\uff1a\u5728\u68c0\u67e5\u503c\u4e4b\u524d\uff0c\u8bf7\u5148\u4f7f\u7528 .val() \u65b9\u6cd5\u83b7\u53d6 input \u5143\u7d20\u7684\u503c\u3002\u5982\u679c\u503c\u4e3a\u7a7a\uff0c\u53ef\u4ee5\u901a\u8fc7 focused() \u65b9\u6cd5\u5c06\u7126\u70b9\u8bbe\u7f6e\u5230\u8be5\u5143\u7d20\uff0c\u5e76\u6839\u636e\u9700\u8981\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002 \u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a var mobile = $(“#mobile”).val(); if (!mobile) { \/\/ \u5982\u679c\u624b\u673a\u53f7\u7801\u4e3a\u7a7a\uff0c\u8bbe\u7f6e\u7126\u70b9\u5e76\u663e\u793a\u9519\u8bef\u6d88\u606f $(“#mobile”).focus(); alert(“\u8bf7\u8f93\u5165\u624b\u673a\u53f7\u7801”); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\uff0c\u5f53\u60a8\u63d0\u4ea4\u8868\u5355\u65f6\uff0c\u5982\u679c\u624b\u673a\u53f7\u5b57\u6bb5\u4e3a\u7a7a\uff0c\u4ee3\u7801\u5c06\u6b63\u786e\u963b\u6b62\u63d0\u4ea4\u5e76\u63d0\u4f9b\u9519\u8bef\u6d88\u606f\uff0c\u540c\u65f6\u4e5f\u4e3a\u7528\u6237\u8bbe\u7f6e\u7126\u70b9\uff0c\u4ee5\u65b9\u4fbf\u5176\u66f4\u6b63\u8f93\u5165\u3002 \u4ee5\u4e0a\u5c31\u662fJS \u8868\u5355\u975e\u7a7a\u9a8c\u8bc1\uff1a\u4e3a\u4ec0\u4e48\u6211\u7684\u540e\u6ca1\u6709\u663e\u793a\u9519\u8bef\u6d88\u606f\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-3044","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3044","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=3044"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3044\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}