{"id":53025,"date":"2024-12-03T12:38:09","date_gmt":"2024-12-03T04:38:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53025\/"},"modified":"2024-12-03T12:38:09","modified_gmt":"2024-12-03T04:38:09","slug":"%e5%89%8d%e7%ab%af%e5%bc%80%e5%8f%91%e4%b8%ad%ef%bc%8c%e7%b1%bb%e6%95%b0%e7%bb%84%e7%bb%93%e6%9e%84%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b%e4%bd%9c%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53025\/","title":{"rendered":"\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7c7b\u6570\u7ec4\u7ed3\u6784\u90fd\u6709\u54ea\u4e9b\u4f5c\u7528\uff1f"},"content":{"rendered":"

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

\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7c7b\u6570\u7ec4\u7ed3\u6784\u90fd\u6709\u54ea\u4e9b\u4f5c\u7528\uff1f<\/h1>\n

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\"\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7c7b\u6570\u7ec4\u7ed3\u6784\u90fd\u6709\u54ea\u4e9b\u4f5c\u7528\uff1f\u63d2\u56fe\"<\/p>\n

JavaScript \u4e2d Array-Like \u6570\u636e\u7ed3\u6784\u7684\u4f5c\u7528<\/strong><\/p>\n

\u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f7f\u7528 querySelectorAll \u548c document.body.getChildren \u7b49\u65b9\u6cd5\u4e0e DOM \u4ea4\u4e92\u3002\u8fd9\u4e9b\u65b9\u6cd5\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u7c7b\u6570\u7ec4\u7c7b\u578b\uff0c\u800c\u4e0d\u662f\u771f\u6b63\u7684\u6570\u7ec4\u3002\u56e0\u6b64\uff0c\u5728\u64cd\u4f5c\u8fd9\u4e9b\u6570\u636e\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u901a\u8fc7\u62d3\u5c55\u8fd0\u7b97\u7b26\u6216 Array.from \u7b49\u65b9\u6cd5\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u771f\u6570\u7ec4\u3002<\/p>\n

\u7c7b\u6570\u7ec4\u7684\u610f\u4e49<\/strong><\/p>\n

    \n
  1. \u517c\u5bb9\u6027\uff1a<\/strong> \u65e9\u671f JavaScript \u4e2d\u7684\u6570\u7ec4\u975e\u5e38\u7b80\u964b\uff0c\u56e0\u6b64\u8bb8\u591a\u65e9\u671f\u7684 API \u90fd\u6ca1\u6709\u8003\u8651\u6570\u7ec4\u3002\u7c7b\u6570\u7ec4\u7c7b\u578b\u517c\u5bb9\u8fd9\u4e9b\u65e9\u671f API\uff0c\u4f8b\u5982\u51fd\u6570\u7684 arguments \u5bf9\u8c61\u4e5f\u662f\u7c7b\u6570\u7ec4\u3002<\/li>\n
  2. \u6027\u80fd\u8003\u8651\uff1a<\/strong> \u76f8\u6bd4\u4e8e\u771f\u6570\u7ec4\uff0c\u7c7b\u6570\u7ec4\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\u3002\u8fd9\u53ef\u4ee5\u63d0\u9ad8 DOM \u64cd\u4f5c\u7684\u6548\u7387\uff0c\u56e0\u4e3a DOM \u64cd\u4f5c\u662f\u4e00\u9879\u76f8\u5bf9\u8017\u65f6\u7684\u4efb\u52a1\u3002<\/li>\n
  3. API \u8bbe\u8ba1\uff1a<\/strong> DOM \u88ab\u8bbe\u8ba1\u4e3a\u72ec\u7acb\u4e8e\u4efb\u4f55\u7279\u5b9a\u8bed\u8a00\u3002\u8fd9\u610f\u5473\u7740 DOM API \u4e0d\u5e94\u4f9d\u8d56\u4e8e JavaScript \u7279\u5b9a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6570\u7ec4\u3002<\/li>\n<\/ol>\n

    DOM \u65b9\u6cd5\u4e0d\u76f4\u63a5\u8fd4\u56de\u771f\u6570\u7ec4\u7684\u539f\u56e0<\/strong><\/p>\n

    \u5c3d\u7ba1 DOM API \u770b\u8d77\u6765\u4e0e JavaScript \u7d27\u5bc6\u96c6\u6210\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u53ea\u662f\u201c\u4f7f\u7528\u201d\u4e86 JavaScript\u3002DOM API \u89c4\u8303\u7531\u4e0d\u540c\u7684\u7ec4\u7ec7\u5236\u5b9a\uff0c\u4e0e JavaScript \u6807\u51c6\u72ec\u7acb\u3002\u56e0\u6b64\uff0cDOM API \u4e0d\u4f1a\u76f4\u63a5\u4f7f\u7528 JavaScript \u4e2d\u7684\u6570\u7ec4\u7c7b\u578b\u3002<\/p>\n

    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7c7b\u6570\u7ec4\u7ed3\u6784\u90fd\u6709\u54ea\u4e9b\u4f5c\u7528\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n

    \n
    <\/dt>\n
    \n Go \u8bed\u8a00\u4e2d\uff0c\u9664\u4e86\u6587\u4ef6\uff0c\u8fd8\u6709\u4ec0\u4e48\u53ef\u4ee5\u4f5c\u4e3a IO \u5bf9\u8c61\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

    \u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7c7b\u6570\u7ec4\u7ed3\u6784\u90fd\u6709\u54ea\u4e9b\u4f5c\u7528\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\u300a\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7c7b\u6570\u7ec4\u7ed3\u6784\u90fd\u6709\u54ea\u4e9b\u4f5c\u7528\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 JavaScript \u4e2d Array-Like \u6570\u636e\u7ed3\u6784\u7684\u4f5c\u7528 \u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f7f\u7528 querySelectorAll \u548c document.body.getChildren \u7b49\u65b9\u6cd5\u4e0e DOM \u4ea4\u4e92\u3002\u8fd9\u4e9b\u65b9\u6cd5\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u7c7b\u6570\u7ec4\u7c7b\u578b\uff0c\u800c\u4e0d\u662f\u771f\u6b63\u7684\u6570\u7ec4\u3002\u56e0\u6b64\uff0c\u5728\u64cd\u4f5c\u8fd9\u4e9b\u6570\u636e\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u901a\u8fc7\u62d3\u5c55\u8fd0\u7b97\u7b26\u6216 Array.from \u7b49\u65b9\u6cd5\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u771f\u6570\u7ec4\u3002 \u7c7b\u6570\u7ec4\u7684\u610f\u4e49 \u517c\u5bb9\u6027\uff1a \u65e9\u671f JavaScript \u4e2d\u7684\u6570\u7ec4\u975e\u5e38\u7b80\u964b\uff0c\u56e0\u6b64\u8bb8\u591a\u65e9\u671f\u7684 API \u90fd\u6ca1\u6709\u8003\u8651\u6570\u7ec4\u3002\u7c7b\u6570\u7ec4\u7c7b\u578b\u517c\u5bb9\u8fd9\u4e9b\u65e9\u671f API\uff0c\u4f8b\u5982\u51fd\u6570\u7684 arguments \u5bf9\u8c61\u4e5f\u662f\u7c7b\u6570\u7ec4\u3002 \u6027\u80fd\u8003\u8651\uff1a \u76f8\u6bd4\u4e8e\u771f\u6570\u7ec4\uff0c\u7c7b\u6570\u7ec4\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\u3002\u8fd9\u53ef\u4ee5\u63d0\u9ad8 DOM \u64cd\u4f5c\u7684\u6548\u7387\uff0c\u56e0\u4e3a DOM \u64cd\u4f5c\u662f\u4e00\u9879\u76f8\u5bf9\u8017\u65f6\u7684\u4efb\u52a1\u3002 API \u8bbe\u8ba1\uff1a DOM \u88ab\u8bbe\u8ba1\u4e3a\u72ec\u7acb\u4e8e\u4efb\u4f55\u7279\u5b9a\u8bed\u8a00\u3002\u8fd9\u610f\u5473\u7740 DOM API \u4e0d\u5e94\u4f9d\u8d56\u4e8e JavaScript \u7279\u5b9a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6570\u7ec4\u3002 DOM \u65b9\u6cd5\u4e0d\u76f4\u63a5\u8fd4\u56de\u771f\u6570\u7ec4\u7684\u539f\u56e0 \u5c3d\u7ba1 DOM API \u770b\u8d77\u6765\u4e0e JavaScript \u7d27\u5bc6\u96c6\u6210\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u53ea\u662f\u201c\u4f7f\u7528\u201d\u4e86 JavaScript\u3002DOM API \u89c4\u8303\u7531\u4e0d\u540c\u7684\u7ec4\u7ec7\u5236\u5b9a\uff0c\u4e0e JavaScript \u6807\u51c6\u72ec\u7acb\u3002\u56e0\u6b64\uff0cDOM API \u4e0d\u4f1a\u76f4\u63a5\u4f7f\u7528 […]<\/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-53025","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53025","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=53025"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53025\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}