{"id":28126,"date":"2024-11-24T15:12:37","date_gmt":"2024-11-24T07:12:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/28126\/"},"modified":"2024-11-24T15:12:37","modified_gmt":"2024-11-24T07:12:37","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e8%b0%b7%e6%ad%8c%e6%80%a7%e8%83%bd%e9%9d%a2%e6%9d%bf%e8%af%86%e5%88%ab%e9%98%bb%e5%a1%9e%e9%a1%b5%e9%9d%a2%e6%b8%b2%e6%9f%93%e7%9a%84%e4%bb%bb%e5%8a%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/28126\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u8c37\u6b4c\u6027\u80fd\u9762\u677f\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173140241048809.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528\u8c37\u6b4c\u6027\u80fd\u9762\u677f\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528\u8c37\u6b4c\u6027\u80fd\u9762\u677f\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4e86\u89e3\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1<\/strong><\/p>\n<p>\u5728\u4f18\u5316\u9875\u9762\u6027\u80fd\u65f6\uff0c\u786e\u5b9a\u5e76\u89e3\u51b3\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528\u6027\u80fd\u9762\u677f\u6765\u8bc6\u522b\u8fd9\u4e9b\u4efb\u52a1\u3002<\/p>\n<p><strong>Perfomance \u9762\u677f<\/strong><\/p>\n<p>\u8c37\u6b4c\u6027\u80fd\u9762\u677f\u63d0\u4f9b\u4e86\u5bf9\u9875\u9762\u52a0\u8f7d\u6027\u80fd\u7684\u53ef\u89c6\u5316\u5206\u6790\u3002\u5176\u4e2d\u4e24\u4e2a\u5173\u952e\u533a\u57df\u662f\u201c\u7f51\u7edc\uff08Network\uff09\u201d\u548c\u201c\u4e3b\u7ebf\u7a0b\uff08Mn\uff09\u201d\u3002<\/p>\n<p><strong>\u7f51\u7edc\u533a\u57df<\/strong><\/p>\n<p>\u7f51\u7edc\u533a\u57df\u663e\u793a\u52a0\u8f7d\u8d44\u6e90\u7684\u65f6\u95f4\u548c\u987a\u5e8f\u3002\u91cd\u70b9\u5173\u6ce8\u201cL\u201d\u6807\u8bb0\uff08\u8868\u793a\u6240\u6709\u8d44\u6e90\u52a0\u8f7d\u5b8c\u6210\uff09\uff0c\u8fd9\u662f\u4e2a\u5f00\u59cb\u70b9\u3002<\/p>\n<p><strong>\u4e3b\u7ebf\u7a0b\u533a\u57df<\/strong><\/p>\n<p>\u4e3a\u4e86\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\uff0c\u8bf7\u5207\u6362\u5230\u4e3b\u7ebf\u7a0b\u533a\u57df\u3002\u8fd9\u91cc\u5217\u51fa\u4e86\u6e32\u67d3\u76f8\u5173\u4efb\u52a1\uff0c\u5982 Recalculate Style\u3001Layout\u3001Paint \u548c Commit\u3002<\/p>\n<p><strong>\u963b\u585e\u4efb\u52a1<\/strong><\/p>\n<p>\u5728\u8fd9\u4e9b\u6e32\u67d3\u4efb\u52a1\u4e4b\u524d\u6267\u884c\u7684 JavaScript \u4efb\u52a1\u662f\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u3002\u8fdb\u5ea6\u6761\u7684\u957f\u77ed\u8868\u793a\u4efb\u52a1\u6267\u884c\u7684\u8017\u65f6\uff0c\u8fdb\u5ea6\u6761\u8d8a\u957f\u8868\u793a\u963b\u585e\u5f97\u8d8a\u957f\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u4ee5\u4e0b\u622a\u56fe\u4e2d\u7684 Main \u533a\u57df\u5185\u5bb9\uff1a<\/p>\n<p>[\u56fe\u7247\uff1aperformance \u9762\u677f\u4e3b\u7ebf\u7a0b\u533a\u57df\u622a\u56fe]<\/p>\n<p>\u6839\u636e\u8be5\u622a\u56fe\uff0c\u4ee5\u4e0b\u4efb\u52a1\u5728\u6e32\u67d3\u4e4b\u524d\u6267\u884c\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\uff1a<\/p>\n<ul>\n<li>300ms \u7684 JavaScript \u4efb\u52a1<\/li>\n<li>10ms \u7684 JavaScript \u4efb\u52a1<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u5206\u6790\u8c37\u6b4c\u6027\u80fd\u9762\u677f\u7684\u201c\u4e3b\u7ebf\u7a0b\u201d\u533a\u57df\u4e2d\u7684\u4efb\u52a1\u5e8f\u5217\uff0c\u4f60\u53ef\u4ee5\u786e\u5b9a\u54ea\u4e9b JavaScript \u4efb\u52a1\u963b\u585e\u4e86\u9875\u9762\u6e32\u67d3\u3002\u89e3\u51b3\u8fd9\u4e9b\u4efb\u52a1\u5c06\u6709\u52a9\u4e8e\u63d0\u5347\u9875\u9762\u6027\u80fd\u5e76\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u6027\u80fd\u9762\u677f\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\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>\u4e86\u89e3\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1 \u5728\u4f18\u5316\u9875\u9762\u6027\u80fd\u65f6\uff0c\u786e\u5b9a\u5e76\u89e3\u51b3\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528\u6027\u80fd\u9762\u677f\u6765\u8bc6\u522b\u8fd9\u4e9b\u4efb\u52a1\u3002 Perfomance \u9762\u677f \u8c37\u6b4c\u6027\u80fd\u9762\u677f\u63d0\u4f9b\u4e86\u5bf9\u9875\u9762\u52a0\u8f7d\u6027\u80fd\u7684\u53ef\u89c6\u5316\u5206\u6790\u3002\u5176\u4e2d\u4e24\u4e2a\u5173\u952e\u533a\u57df\u662f\u201c\u7f51\u7edc\uff08Network\uff09\u201d\u548c\u201c\u4e3b\u7ebf\u7a0b\uff08Mn\uff09\u201d\u3002 \u7f51\u7edc\u533a\u57df \u7f51\u7edc\u533a\u57df\u663e\u793a\u52a0\u8f7d\u8d44\u6e90\u7684\u65f6\u95f4\u548c\u987a\u5e8f\u3002\u91cd\u70b9\u5173\u6ce8\u201cL\u201d\u6807\u8bb0\uff08\u8868\u793a\u6240\u6709\u8d44\u6e90\u52a0\u8f7d\u5b8c\u6210\uff09\uff0c\u8fd9\u662f\u4e2a\u5f00\u59cb\u70b9\u3002 \u4e3b\u7ebf\u7a0b\u533a\u57df \u4e3a\u4e86\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\uff0c\u8bf7\u5207\u6362\u5230\u4e3b\u7ebf\u7a0b\u533a\u57df\u3002\u8fd9\u91cc\u5217\u51fa\u4e86\u6e32\u67d3\u76f8\u5173\u4efb\u52a1\uff0c\u5982 Recalculate Style\u3001Layout\u3001Paint \u548c Commit\u3002 \u963b\u585e\u4efb\u52a1 \u5728\u8fd9\u4e9b\u6e32\u67d3\u4efb\u52a1\u4e4b\u524d\u6267\u884c\u7684 JavaScript \u4efb\u52a1\u662f\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u3002\u8fdb\u5ea6\u6761\u7684\u957f\u77ed\u8868\u793a\u4efb\u52a1\u6267\u884c\u7684\u8017\u65f6\uff0c\u8fdb\u5ea6\u6761\u8d8a\u957f\u8868\u793a\u963b\u585e\u5f97\u8d8a\u957f\u3002 \u793a\u4f8b \u5047\u8bbe\u4ee5\u4e0b\u622a\u56fe\u4e2d\u7684 Main \u533a\u57df\u5185\u5bb9\uff1a [\u56fe\u7247\uff1aperformance \u9762\u677f\u4e3b\u7ebf\u7a0b\u533a\u57df\u622a\u56fe] \u6839\u636e\u8be5\u622a\u56fe\uff0c\u4ee5\u4e0b\u4efb\u52a1\u5728\u6e32\u67d3\u4e4b\u524d\u6267\u884c\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\uff1a 300ms \u7684 JavaScript \u4efb\u52a1 10ms \u7684 JavaScript \u4efb\u52a1 \u7ed3\u8bba \u901a\u8fc7\u5206\u6790\u8c37\u6b4c\u6027\u80fd\u9762\u677f\u7684\u201c\u4e3b\u7ebf\u7a0b\u201d\u533a\u57df\u4e2d\u7684\u4efb\u52a1\u5e8f\u5217\uff0c\u4f60\u53ef\u4ee5\u786e\u5b9a\u54ea\u4e9b JavaScript \u4efb\u52a1\u963b\u585e\u4e86\u9875\u9762\u6e32\u67d3\u3002\u89e3\u51b3\u8fd9\u4e9b\u4efb\u52a1\u5c06\u6709\u52a9\u4e8e\u63d0\u5347\u9875\u9762\u6027\u80fd\u5e76\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u6027\u80fd\u9762\u677f\u8bc6\u522b\u963b\u585e\u9875\u9762\u6e32\u67d3\u7684\u4efb\u52a1\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-28126","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/28126","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=28126"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/28126\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=28126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=28126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=28126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}