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{"id":4423,"date":"2026-10-25T17:55:12","date_gmt":"2026-10-25T09:55:12","guid":{"rendered":"https:\/\/www.qunhe.com\/?p=4423"},"modified":"2026-10-26T00:03:33","modified_gmt":"2026-10-25T16:03:33","slug":"wp-guide-205-image-decoding-loading","status":"publish","type":"post","link":"https:\/\/www.qunhe.com\/vi\/wp-guide-205-image-decoding-loading\/","title":{"rendered":"\u56fe\u7247\u52a0\u4e86decoding=async\u4e3a\u4f55\u4ecd\u4f1a\u4e0b\u8f7d\uff1f\u89e3\u7801\u63d0\u793a\u548c\u61d2\u52a0\u8f7d\u6709\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"
\"\u4e0b\u8f7d\u65f6\u673a\u4e0e\u56fe\u50cf\u89e3\u7801\uff1aloading\uff0c\u5f71\u54cd\u56fe\u7247\u52a0\u8f7d\u65f6\u673a\uff0c\u4e0d\u662f\u89e3\u7801\u65b9\u5f0f\uff1bdecoding\uff0c\u63d0\u4f9b\u89e3\u7801\u8c03\u5ea6\u63d0\u793a\uff0c\u4e0d\u4f1a\u81ea\u52a8\u5ef6\u8fdf\u4e0b\u8f7d\uff1bdecode\u65b9\u6cd5\uff0c\u7b49\u5f85\u56fe\u50cf\u89e3\u7801\u7ed3\u679c\uff0c\u811a\u672c\u4ecd\u9700\u5904\u7406\u5931\u8d25\"<\/a>
\u4e0b\u8f7d\u65f6\u673a\u4e0e\u56fe\u50cf\u89e3\u7801\uff1a\u5173\u952e\u6982\u5ff5\u4e0e\u8fb9\u754c\u5bf9\u7167\u3002\u539f\u521b\u77e5\u8bc6\u793a\u610f\uff0c\u70b9\u51fb\u53ef\u67e5\u770b\u5927\u56fe\u3002<\/figcaption><\/figure>

decoding=async\u63d0\u793a\u6d4f\u89c8\u5668\u91c7\u7528\u5f02\u6b65\u56fe\u50cf\u89e3\u7801\u65b9\u5f0f\uff0c\u5e76\u4e0d\u7b49\u4e8e\u5ef6\u8fdf\u53d1\u8d77\u7f51\u7edc\u4e0b\u8f7d\u3002<\/strong>loading\u5f71\u54cd\u52a0\u8f7d\u65f6\u673a\uff0cfetchpriority\u63d0\u4f9b\u8bf7\u6c42\u4f18\u5148\u7ea7\u63d0\u793a\uff0c\u89e3\u7801\u53c8\u662f\u62ff\u5230\u56fe\u50cf\u6570\u636e\u540e\u7684\u5904\u7406\u73af\u8282\uff0c\u4e09\u8005\u4e0d\u80fd\u5f53\u4f5c\u540c\u4e00\u4e2a\u52a0\u901f\u5f00\u5173\u3002<\/p>

\u5148\u628a\u7f51\u7edc\u548c\u6e32\u67d3\u5206\u6210\u4e0d\u540c\u9636\u6bb5<\/h2>

\u6d4f\u89c8\u5668\u53d1\u73b0\u56fe\u7247\u5730\u5740\u540e\uff0c\u8981\u6839\u636e\u52a0\u8f7d\u7b56\u7565\u5b89\u6392\u8bf7\u6c42\uff0c\u518d\u5bf9\u6570\u636e\u89e3\u7801\u5e76\u53c2\u4e0e\u7ed8\u5236\u3002\u7f51\u7edc\u9762\u677f\u663e\u793a\u6587\u4ef6\u5df2\u4e0b\u8f7d\uff0c\u4e0d\u8868\u793a\u753b\u9762\u5df2\u7ecf\u5b8c\u6210\u89e3\u7801\u548c\u663e\u793a\uff1b\u53cd\u4e4b\uff0c\u8bbe\u7f6e\u5f02\u6b65\u89e3\u7801\u4e5f\u4e0d\u4f1a\u81ea\u52a8\u8ba9\u6240\u6709\u56fe\u7247\u7b49\u6eda\u52a8\u5230\u9644\u8fd1\u624d\u5f00\u59cb\u8bf7\u6c42\u3002\u5e94\u5148\u660e\u786e\u672c\u6b21\u8981\u6539\u5584\u54ea\u4e00\u9636\u6bb5\u3002<\/p>

\u7406\u89e3decoding\u53ea\u662f\u8c03\u5ea6\u63d0\u793a<\/h2>

sync\u3001async\u548cauto\u8868\u8fbe\u4e0d\u540c\u89e3\u7801\u504f\u597d\uff0c\u6d4f\u89c8\u5668\u4ecd\u7ed3\u5408\u81ea\u8eab\u5b9e\u73b0\u5904\u7406\u3002\u5f02\u6b65\u89e3\u7801\u6709\u52a9\u4e8e\u907f\u514d\u7b49\u5f85\u56fe\u7247\u5904\u7406\u963b\u788d\u5176\u4ed6\u5185\u5bb9\u7684\u5448\u73b0\uff0c\u4f46\u4e0d\u4fdd\u8bc1\u56fe\u7247\u7acb\u5373\u663e\u793a\uff0c\u4e5f\u4e0d\u627f\u8bfa\u56fa\u5b9a\u6027\u80fd\u63d0\u5347\u3002\u4e0d\u80fd\u628a\u7f51\u9875\u4e0a\u7684\u5c5e\u6027\u5b58\u5728\u5f53\u4f5c\u5f53\u524d\u8bbf\u95ee\u786e\u5b9e\u91c7\u7528\u67d0\u79cd\u5185\u90e8\u8c03\u5ea6\u7684\u76f4\u63a5\u8bc1\u636e\u3002<\/p>

\"\u4e0b\u8f7d\u65f6\u673a\u4e0e\u56fe\u50cf\u89e3\u7801\uff1a\u533a\u5206\u5904\u7406\u9636\u6bb5\u3001\u9009\u62e9\u5bf9\u5e94\u673a\u5236\u3001\u5904\u7406\u89e3\u7801\u5b8c\u6210\u4e0e\u5931\u8d25\u3001\u6838\u5bf9\u771f\u5b9e\u5448\u73b0\"<\/a>
\u6392\u67e5\u6d41\u7a0b\uff1a\u533a\u5206\u5904\u7406\u9636\u6bb5 \u2192 \u9009\u62e9\u5bf9\u5e94\u673a\u5236 \u2192 \u5904\u7406\u89e3\u7801\u5b8c\u6210\u4e0e\u5931\u8d25 \u2192 \u6838\u5bf9\u771f\u5b9e\u5448\u73b0\u3002\u539f\u521b\u77e5\u8bc6\u793a\u610f\uff0c\u70b9\u51fb\u53ef\u67e5\u770b\u5927\u56fe\u3002<\/figcaption><\/figure>

\u9700\u8981\u53ef\u63a7\u6362\u56fe\u65f6\u6838\u5bf9decode\u65b9\u6cd5<\/h2>

\u811a\u672c\u9700\u8981\u5728\u56fe\u7247\u51c6\u5907\u597d\u540e\u5207\u6362\u5c55\u793a\uff0c\u53ef\u4ee5\u6839\u636e\u573a\u666f\u4f7f\u7528HTMLImageElement.decode()\u7b49\u63a5\u53e3\u7b49\u5f85\u89e3\u7801\u7ed3\u679c\uff0c\u5e76\u5904\u7406\u5931\u8d25\u3002\u5b83\u4e0eHTML\u4e2d\u7684decoding\u63d0\u793a\u4e0d\u662f\u540c\u4e00\u4e2aAPI\uff0c\u4e5f\u4e0d\u80fd\u8df3\u8fc7\u56fe\u7247\u7684\u83b7\u53d6\u8fc7\u7a0b\u3002\u5e94\u907f\u514d\u5feb\u901f\u8fde\u7eed\u5207\u6362\u65f6\u8fc7\u671f\u8bf7\u6c42\u8986\u76d6\u7528\u6237\u540e\u6765\u9009\u62e9\u7684\u56fe\u7247\u3002<\/p>

\u6839\u636e\u95ee\u9898\u9009\u62e9\u5bf9\u5e94\u6d4b\u8bd5<\/h2>

\u82e5\u76ee\u6807\u662f\u51cf\u5c11\u4e0b\u65b9\u56fe\u7247\u63d0\u524d\u4e0b\u8f7d\uff0c\u68c0\u67e5loading\u53ca\u5b9e\u9645\u7f51\u7edc\u8bf7\u6c42\uff1b\u82e5\u76ee\u6807\u662f\u6362\u56fe\u95ea\u767d\u6216\u6e32\u67d3\u505c\u987f\uff0c\u5e94\u89c2\u5bdf\u89e3\u7801\u548c\u5448\u73b0\u8fc7\u7a0b\u3002\u7528\u4ee3\u8868\u6027\u5927\u56fe\u3001\u624b\u673a\u4e0e\u53d7\u63a7\u7f51\u7edc\u6bd4\u8f83\uff0c\u540c\u65f6\u786e\u4fdd\u9996\u5c4f\u91cd\u8981\u753b\u9762\u4e0d\u88ab\u9519\u8bef\u5ef6\u8fdf\u3002\u6d4b\u8bd5\u8bb0\u5f55\u8981\u533a\u5206\u5df2\u4e0b\u8f7d\u3001\u5df2\u89e3\u7801\u548c\u5df2\u663e\u793a\u3002<\/p>

\u5173\u952e\u533a\u522b<\/h2>
\"\u4e0b\u8f7d\u65f6\u673a\u4e0e\u56fe\u50cf\u89e3\u7801\uff1aloading\uff0c\u5f71\u54cd\u56fe\u7247\u52a0\u8f7d\u65f6\u673a\uff0c\u4e0d\u662f\u89e3\u7801\u65b9\u5f0f\uff1bdecoding\uff0c\u63d0\u4f9b\u89e3\u7801\u8c03\u5ea6\u63d0\u793a\uff0c\u4e0d\u4f1a\u81ea\u52a8\u5ef6\u8fdf\u4e0b\u8f7d\uff1bdecode\u65b9\u6cd5\uff0c\u7b49\u5f85\u56fe\u50cf\u89e3\u7801\u7ed3\u679c\uff0c\u811a\u672c\u4ecd\u9700\u5904\u7406\u5931\u8d25\"<\/a>
\u4e0b\u8f7d\u65f6\u673a\u4e0e\u56fe\u50cf\u89e3\u7801\uff1a\u5173\u952e\u6982\u5ff5\u4e0e\u8fb9\u754c\u5bf9\u7167\u3002\u539f\u521b\u77e5\u8bc6\u793a\u610f\uff0c\u70b9\u51fb\u53ef\u67e5\u770b\u5927\u56fe\u3002<\/figcaption><\/figure>

loading\uff1a<\/strong>\u5f71\u54cd\u56fe\u7247\u52a0\u8f7d\u65f6\u673a\uff1b\u4e0d\u662f\u89e3\u7801\u65b9\u5f0f\u3002<\/p>

decoding\uff1a<\/strong>\u63d0\u4f9b\u89e3\u7801\u8c03\u5ea6\u63d0\u793a\uff1b\u4e0d\u4f1a\u81ea\u52a8\u5ef6\u8fdf\u4e0b\u8f7d\u3002<\/p>

decode\u65b9\u6cd5\uff1a<\/strong>\u7b49\u5f85\u56fe\u50cf\u89e3\u7801\u7ed3\u679c\uff1b\u811a\u672c\u4ecd\u9700\u5904\u7406\u5931\u8d25\u3002<\/p>

\u600e\u6837\u786e\u8ba4\u5904\u7406\u5230\u4f4d<\/h2>

\u6240\u9009\u673a\u5236\u4e0e\u771f\u5b9e\u95ee\u9898\u76f8\u7b26\uff0c\u52a0\u8f7d\u548c\u6362\u56fe\u8fc7\u7a0b\u6ca1\u6709\u975e\u9884\u671f\u95ea\u767d\u6216\u9519\u8bef\u8986\u76d6\uff0c\u7f51\u7edc\u8bf7\u6c42\u3001\u89e3\u7801\u51c6\u5907\u548c\u6700\u7ec8\u663e\u793a\u88ab\u5206\u522b\u6838\u5bf9\u3002<\/p>

\u5bb9\u6613\u8bef\u5224\u7684\u8fb9\u754c<\/h2>

decoding\u63a7\u5236\u89e3\u7801\u63d0\u793a\uff0cloading\u63a7\u5236\u52a0\u8f7d\u65f6\u673a\uff1b\u4e8c\u8005\u90fd\u4e0d\u80fd\u4ee3\u66ff\u5408\u9002\u7684\u56fe\u7247\u4f53\u79ef\u3001\u9996\u5c4f\u52a0\u8f7d\u7b56\u7565\u548c\u5b9e\u9645\u6027\u80fd\u6d4b\u91cf\u3002<\/p>

T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>

MDN\uff1aHTMLImageElement decoding<\/a><\/p>

MDN\uff1aHTMLImageElement decode<\/a><\/p>

\u8fd4\u56de\u7f51\u7ad9\u77e5\u8bc6\uff0c\u6309\u5177\u4f53\u95ee\u9898\u7ee7\u7eed\u9605\u8bfb<\/a><\/p><\/div>","protected":false},"excerpt":{"rendered":"

decoding=async\u63d0\u793a\u6d4f\u89c8\u5668\u91c7\u7528\u5f02\u6b65\u56fe\u50cf\u89e3\u7801\u65b9\u5f0f\uff0c\u5e76\u4e0d\u7b49\u4e8e\u5ef6\u8fdf\u53d1\u8d77\u7f51\u7edc\u4e0b\u8f7d\u3002loading\u5f71\u54cd\u52a0\u8f7d\u65f6\u673a\uff0cfetchpriority\u63d0\u4f9b\u8bf7\u6c42\u4f18\u5148\u7ea7\u63d0\u793a\uff0c\u89e3\u7801\u53c8\u662f\u62ff\u5230\u56fe\u50cf\u6570\u636e\u540e\u7684\u5904\u7406\u73af\u8282\uff0c\u4e09\u8005\u4e0d\u80fd\u5f53\u4f5c\u540c\u4e00\u4e2a\u52a0\u901f\u5f00\u5173\u3002<\/p>","protected":false},"author":1,"featured_media":4459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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