{"id":3494,"date":"2024-11-10T15:03:15","date_gmt":"2024-11-10T07:03:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3494\/"},"modified":"2024-11-10T15:03:15","modified_gmt":"2024-11-10T07:03:15","slug":"js-%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96meta","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3494\/","title":{"rendered":"js \u5982\u4f55\u83b7\u53d6meta"},"content":{"rendered":"<blockquote><p>\n  \u8981\u4f7f\u7528 javascript \u83b7\u53d6\u5143\u6570\u636e\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u4f7f\u7528 document.head.queryselector() \u9009\u62e9\u5e76\u8bbf\u95ee meta \u5143\u7d20\u3002\u4f7f\u7528 getattribute() \u65b9\u6cd5\u83b7\u53d6 meta \u5143\u7d20\u7684\u5c5e\u6027\u503c\u3002\u6216\u8005\uff0c\u53ef\u4ee5\u4f7f\u7528 setattribute() \u65b9\u6cd5\u8bbe\u7f6e meta \u5143\u7d20\u7684\u5c5e\u6027\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110813422753896.jpg\" class=\"aligncenter\" title=\"js \u5982\u4f55\u83b7\u53d6meta\u63d2\u56fe\" alt=\"js \u5982\u4f55\u83b7\u53d6meta\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u83b7\u53d6 meta<\/strong><\/p>\n<p>\u5728\u7f51\u9875\u5f00\u53d1\u4e2d\uff0c\u5143\u6570\u636e (meta) \u63d0\u4f9b\u4e86\u6709\u5173\u7f51\u9875\u7684\u91cd\u8981\u4fe1\u606f\uff0c\u4f8b\u5982\u6807\u9898\u3001\u63cf\u8ff0\u548c\u5173\u952e\u5b57\u3002JavaScript \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u5143\u6570\u636e\u3002<\/p>\n<p><strong>\u4f7f\u7528 document.head.querySelector()<\/strong><\/p>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 document.head.querySelector() \u65b9\u6cd5\u9009\u62e9\u5e76\u8bbf\u95ee meta \u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs \u5982\u4f55\u83b7\u53d6meta\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>\u8981\u4f7f\u7528 javascript \u83b7\u53d6\u5143\u6570\u636e\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u4f7f\u7528 document.head.queryselector() \u9009\u62e9\u5e76\u8bbf\u95ee meta \u5143\u7d20\u3002\u4f7f\u7528 getattribute() \u65b9\u6cd5\u83b7\u53d6 meta \u5143\u7d20\u7684\u5c5e\u6027\u503c\u3002\u6216\u8005\uff0c\u53ef\u4ee5\u4f7f\u7528 setattribute() \u65b9\u6cd5\u8bbe\u7f6e meta \u5143\u7d20\u7684\u5c5e\u6027\u503c\u3002 \u5982\u4f55\u4f7f\u7528 JavaScript \u83b7\u53d6 meta \u5728\u7f51\u9875\u5f00\u53d1\u4e2d\uff0c\u5143\u6570\u636e (meta) \u63d0\u4f9b\u4e86\u6709\u5173\u7f51\u9875\u7684\u91cd\u8981\u4fe1\u606f\uff0c\u4f8b\u5982\u6807\u9898\u3001\u63cf\u8ff0\u548c\u5173\u952e\u5b57\u3002JavaScript \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u5143\u6570\u636e\u3002 \u4f7f\u7528 document.head.querySelector() \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 document.head.querySelector() \u65b9\u6cd5\u9009\u62e9\u5e76\u8bbf\u95ee meta \u5143\u7d20\u3002\u4f8b\u5982\uff1a \u4ee5\u4e0a\u5c31\u662fjs \u5982\u4f55\u83b7\u53d6meta\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-3494","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3494","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=3494"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3494\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}