{"id":1466,"date":"2024-11-10T15:23:20","date_gmt":"2024-11-10T07:23:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1466\/"},"modified":"2024-11-10T15:23:20","modified_gmt":"2024-11-10T07:23:20","slug":"js-%e4%b8%ad%e6%97%a0%e6%b3%95%e8%b7%b3%e8%bd%ac%e9%a1%b5%e9%9d%a2%ef%bc%8c%e4%bb%a3%e7%a0%81%e4%b8%ad%e5%93%aa%e9%87%8c%e5%87%ba%e7%8e%b0%e4%ba%86%e9%94%99%e8%af%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1466\/","title":{"rendered":"JS \u4e2d\u65e0\u6cd5\u8df3\u8f6c\u9875\u9762\uff0c\u4ee3\u7801\u4e2d\u54ea\u91cc\u51fa\u73b0\u4e86\u9519\u8bef\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173044206483204.jpg\" class=\"aligncenter\" title=\"JS \u4e2d\u65e0\u6cd5\u8df3\u8f6c\u9875\u9762\uff0c\u4ee3\u7801\u4e2d\u54ea\u91cc\u51fa\u73b0\u4e86\u9519\u8bef\uff1f\u63d2\u56fe\" alt=\"JS \u4e2d\u65e0\u6cd5\u8df3\u8f6c\u9875\u9762\uff0c\u4ee3\u7801\u4e2d\u54ea\u91cc\u51fa\u73b0\u4e86\u9519\u8bef\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>js \u4e2d\u65e0\u6cd5\u8df3\u8f6c\u9875\u9762<\/strong><\/p>\n<p>\u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\u5b58\u5728\u4e00\u4e2a\u9519\u8bef\uff0c\u5bfc\u81f4\u9875\u9762\u65e0\u6cd5\u8df3\u8f6c\u3002\u9519\u8bef\u70b9\u5728\u4e8e\uff1a<\/p>\n<pre>if(pre_code!==\"\"){\n  if(!isnum(pre_code)){\n    \/\/ \u4ee3\u7801\u5757\n  } else if(pre_code.length !=6){\n    \/\/ \u4ee3\u7801\u5757\n  }\n  return;\/\/ \u9519\u8bef\u70b9\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u4e00\u4e2a return \u8bed\u53e5\u9519\u8bef\u5730\u51fa\u73b0\u5728\u4e86 if-else \u6761\u4ef6\u5224\u65ad\u5757\u5185\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u5f53 pre_code \u4e0d\u4e3a\u7a7a\u5b57\u7b26\u4e32\u65f6\uff0c\u65e0\u8bba pre_code \u662f\u5426\u662f\u6570\u5b57\u6216\u4e3a 6 \u4f4d\u6570\uff0c\u6267\u884c\u5b8c if-else \u5224\u65ad\u540e\uff0creturn \u8bed\u53e5\u90fd\u4f1a\u7acb\u5373\u7ec8\u6b62\u51fd\u6570\u6267\u884c\uff0c\u4e0d\u518d\u6267\u884c\u540e\u9762\u7684\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<p>\u6b63\u786e\u7684\u5199\u6cd5\u5e94\u8be5\u662f\uff1a<\/p>\n<pre>if(pre_code!==\"\"){\n  if(!isNum(pre_code)){\n    \/\/ \u4ee3\u7801\u5757\n    return; \/\/ \u8ffd\u52a0 return \u8bed\u53e5\n  } else if(pre_code.length !=6){\n    \/\/ \u4ee3\u7801\u5757\n    return; \/\/ \u8ffd\u52a0 return \u8bed\u53e5\n  }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u6bcf\u4e2a\u6761\u4ef6\u5224\u65ad\u5757\u540e\u9762\u6dfb\u52a0 return \u8bed\u53e5\uff0c\u53ef\u4ee5\u786e\u4fdd\u53ea\u6709\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u624d\u4f1a\u7ec8\u6b62\u51fd\u6570\u6267\u884c\u3002\u8fd9\u6837\uff0c\u5f53 pre_code \u4e3a\u7a7a\u5b57\u7b26\u4e32\u65f6\uff0c\u4ee3\u7801\u624d\u4f1a\u7ee7\u7eed\u6267\u884c\u540e\u9762\u7684 $(#userform).submit();\uff0c\u4ece\u800c\u6210\u529f\u63d0\u4ea4\u8868\u5355\u5e76\u8df3\u8f6c\u9875\u9762\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJS \u4e2d\u65e0\u6cd5\u8df3\u8f6c\u9875\u9762\uff0c\u4ee3\u7801\u4e2d\u54ea\u91cc\u51fa\u73b0\u4e86\u9519\u8bef\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>js \u4e2d\u65e0\u6cd5\u8df3\u8f6c\u9875\u9762 \u4f60\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\u5b58\u5728\u4e00\u4e2a\u9519\u8bef\uff0c\u5bfc\u81f4\u9875\u9762\u65e0\u6cd5\u8df3\u8f6c\u3002\u9519\u8bef\u70b9\u5728\u4e8e\uff1a if(pre_code!==&#8221;&#8221;){ if(!isnum(pre_code)){ \/\/ \u4ee3\u7801\u5757 } else if(pre_code.length !=6){ \/\/ \u4ee3\u7801\u5757 } return;\/\/ \u9519\u8bef\u70b9 } \u767b\u5f55\u540e\u590d\u5236 \u7b2c\u4e00\u4e2a return \u8bed\u53e5\u9519\u8bef\u5730\u51fa\u73b0\u5728\u4e86 if-else \u6761\u4ef6\u5224\u65ad\u5757\u5185\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4ee5\u4e0b\u95ee\u9898\uff1a \u5f53 pre_code \u4e0d\u4e3a\u7a7a\u5b57\u7b26\u4e32\u65f6\uff0c\u65e0\u8bba pre_code \u662f\u5426\u662f\u6570\u5b57\u6216\u4e3a 6 \u4f4d\u6570\uff0c\u6267\u884c\u5b8c if-else \u5224\u65ad\u540e\uff0creturn \u8bed\u53e5\u90fd\u4f1a\u7acb\u5373\u7ec8\u6b62\u51fd\u6570\u6267\u884c\uff0c\u4e0d\u518d\u6267\u884c\u540e\u9762\u7684\u4ee3\u7801\u3002 \u6b63\u786e\u7684\u5199\u6cd5\u5e94\u8be5\u662f\uff1a if(pre_code!==&#8221;&#8221;){ if(!isNum(pre_code)){ \/\/ \u4ee3\u7801\u5757 return; \/\/ \u8ffd\u52a0 return \u8bed\u53e5 } else if(pre_code.length !=6){ \/\/ \u4ee3\u7801\u5757 return; \/\/ \u8ffd\u52a0 return \u8bed\u53e5 } [&hellip;]<\/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-1466","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1466","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=1466"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1466\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}