{"id":12203,"date":"2026-05-29T16:23:06","date_gmt":"2026-05-29T08:23:06","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12203"},"modified":"2026-05-29T16:23:06","modified_gmt":"2026-05-29T08:23:06","slug":"js-focus-focusvisible","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2026\/05\/js-focus-focusvisible\/","title":{"rendered":"\u65b0\u7279\u6027\u901f\u9012\uff1afocus()\u884c\u4e3a\u65b0\u589efocusVisible\u63a7\u5236"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12203\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12203<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0cAI\u6293\u53d6\u4fdd\u7559\u539f\u6587\u5730\u5740\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<h3>\u4e00\u3001focus()\u7684\u4e24\u79cd\u63a7\u5236<\/h3>\n<p>\u5e73\u65f6\u8ba9\u4e00\u4e2a\u8f93\u5165\u6846\u805a\u7126\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u4e48\u8bbe\u7f6e\uff1a<\/p>\n<pre>input.focus();<\/pre>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u63a7\u4ef6\u5143\u7d20\u901a\u8fc7<code>focus()<\/code>\u65b9\u6cd5\u83b7\u53d6\u7126\u70b9\uff0c\u6d4f\u89c8\u5668\u4f1a\u901a\u8fc7\u6eda\u52a8\u7684\u65b9\u5f0f\u8ba9\u5143\u7d20\u91cd\u5b9a\u4f4d\u5230\u9875\u9762\u53ef\u89c6\u533a\u57df\u5185\u3002<\/p>\n<p>\u4f46\u6709\u65f6\u5019\uff0c\u8fd9\u79cd\u884c\u4e3a\u4f1a\u5f71\u54cd\u4f53\u9a8c\uff0c\u6bd5\u7adf\u9875\u9762\u4f1a\u7a81\u7136\u8df3\u4e00\u4e0b\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u5e0c\u671b\u8fd9\u79cd\u6eda\u52a8\u884c\u4e3a\u89e6\u53d1\uff0c\u53ef\u4ee5\u8fd9\u4e48\u8bbe\u7f6e\u3002<\/p>\n<pre>input.focus({\r\n  preventScroll: true\r\n})<\/pre>\n<p>\u6b64\u7279\u6027\u5df2\u652f\u6301\u591a\u5e74\uff0c\u6211\u4e5f\u591a\u6b21\u5728\u751f\u4ea7\u73af\u5883\u4f7f\u7528\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202605\/2026-5-29_151901.png\" width=\"652\" height=\"287\" alt=\"preventScroll\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u90a3\u4e48\u672c\u6587\u8981\u4ecb\u7ecd\u7684focusVisible\u53c8\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n<h3>\u4e8c\u3001focusVisible\u53c2\u6570\u7684\u4f5c\u7528<\/h3>\n<p>focusVisible\u53ef\u4ee5\u63a7\u5236\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u7684\u65f6\u5019\uff0c\u662f\u5426\u663e\u793a\u6d4f\u89c8\u5668\u5185\u7f6e\u7684outline\u8f6e\u5ed3\u6548\u679c\u3002<\/p>\n<p>\u5148\u770b\u4e00\u4e2a\u6848\u4f8b\uff0c\u5982\u4e0bHTML\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;a href id=\"link\"&gt;\u94fe\u63a5&lt;\/a&gt;\r\n&lt;button onclick=\"link.focus()\"&gt;\u70b9\u51fb\u6211&lt;\/button&gt;<\/pre>\n<p>\u6b64\u65f6\uff0c\u70b9\u51fb\u6309\u94ae\uff0c\u94fe\u63a5\u662f\u6ca1\u6709\u7126\u70b9\u6548\u679c\u7684\u3002<\/p>\n<p>\u8fd9\u5728\u5f00\u53d1\u4e2d\u5176\u5b9e\u662f\u6709\u7528\u6237\u4f53\u9a8c\u7684\u95ee\u9898\u7684\uff0c\u7528\u6237\u5e76\u4e0d\u77e5\u9053\u8fd9\u4e2a\u94fe\u63a5\u662f\u5426\u771f\u7684\u88ab\u805a\u7126\u4e86\uff0c\u9664\u975e\u6709\u4e13\u95e8\u7684CSS\u5b9a\u4e49\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>:any-link:focus {\r\n  color: red;\r\n}<\/pre>\n<p>\u6548\u679c\u793a\u610f\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202605\/2026-5-29_152441.png\" width=\"224\" height=\"82\" alt=\"\u94fe\u63a5\u6587\u5b57\u989c\u8272\u53d8\u7ea2\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u4e0d\u8fc7\u9488\u5bf9\u6bcf\u4e00\u4e2a\u63a7\u4ef6\u5143\u7d20\u8bbe\u7f6efocus\u6548\u679c\u662f\u5570\u55e6\u7684\uff0c\u5728\u4e00\u4e9b\u5bf9\u89c6\u89c9\u8981\u6c42\u4e0d\u90a3\u4e48\u9ad8\u7684\u573a\u5408\uff0c\u901a\u8fc7<code>focusVisible<\/code>\u53c2\u6570\u8fdb\u884c\u63a7\u5236\u662f\u6700\u5feb\u6377\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>&lt;a href id=\"link\"&gt;\u94fe\u63a5&lt;\/a&gt;\r\n&lt;button onclick=\"link.focus({focusVisible: true})\"&gt;\u70b9\u51fb\u6211&lt;\/button&gt;<\/pre>\n<p>\u70b9\u51fb\u6309\u94ae\u540e\u7684\u6548\u679c\u793a\u610f\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202605\/2026-5-29_152847.png\" width=\"204\" height=\"78\" alt=\"\u7126\u70b9\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u5982\u679c\u5927\u5bb6\u5bf9\u81ea\u5df1\u624b\u5934\u7684\u6d4f\u89c8\u5668\u8db3\u591f\u81ea\u4fe1\uff0c\u4e5f\u53ef\u4ee5\u70b9\u51fb\u4e0b\u9762\u7684\u6309\u94ae\uff0c\u4eb2\u81ea\u611f\u53d7\u4e0b\u805a\u7126\u540e\u7684\u8f6e\u5ed3\u6548\u679c\u3002<\/p>\n<p><a href=\"#\" id=\"linkFocus\">\u94fe\u63a5<\/a> <button onclick=\"linkFocus.focus({focusVisible: true})\">\u70b9\u51fb\u6211<\/button><\/p>\n<p>\u5f53\u7136\uff0c<code>focusVisible<\/code>\u4e5f\u80fd\u7528\u6765\u5173\u95ed\u6d4f\u89c8\u5668\u9ed8\u8ba4\u7684\u8f6e\u5ed3\u6548\u679c\u3002<\/p>\n<p>\u4f8b\u5982\u4e0b\u9762\u7684\u8f93\u5165\u6846\u83b7\u5f97\u7126\u70b9\u540e\uff0c\u6d4f\u89c8\u5668\u7684\u53d1\u5149\u8f6e\u5ed3\u662f\u4e0d\u4f1a\u663e\u793a\u7684\u3002<\/p>\n<pre>&lt;input id=\"input\" type=\"text\"&gt;\r\n&lt;button onclick=\"input.focus({focusVisible: false})\"&gt;\u70b9\u51fb\u6211&lt;\/button&gt;<\/pre>\n<p>\u4e00\u822c\u4e0e\u65e0\u969c\u788d\u8bbf\u95ee\u4e0e\u7528\u6237\u4f53\u9a8c\u76f8\u5173\u7684\u7279\u6027\uff0c\u5728\u56fd\u5185\u603b\u662f\u65e0\u4eba\u95ee\u6d25\uff0c\u56e0\u4e3a\u7f3a\u5c11\u5bf9\u5e94\u7684\u6cd5\u5f8b\u6cd5\u89c4\u7ea6\u675f\u3002<\/p>\n<p>\u6240\u4ee5focusVisible\u8fd9\u4e2a\u7279\u6027\u6ce8\u5b9a\u77e5\u8005\u5be5\u5be5\uff0c\u52a0\u4e0a\u5176\u517c\u5bb9\u6027\uff0c\u6211\u5bf9\u5176\u672a\u6765\u7684\u5e94\u7528\u7a0b\u5ea6\u8868\u793a\u5e76\u4e0d\u4e50\u89c2\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202605\/2026-5-29_161411.png\" width=\"651\" height=\"250\" alt=\"fousVisible\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<h3>\u4e09\u3001\u96be\u5f97\u788e\u788e\u5ff5<\/h3>\n<p>\u8bf4\u5b9e\u8bdd\uff0c\u5728AI\u65f6\u4ee3\uff0c\u5bf9AI\u6a21\u578b\u7684\u5173\u6ce8\u548c\u7814\u7a76\uff0c\u6211\u5df2\u7ecf\u843d\u540e\u4e8e\u73b0\u5728\u7684\u5e74\u8f7b\u4eba\u4e86\u3002<\/p>\n<p>\u6211\u4e0d\u662f\u505a\u7ba1\u7406\u7684\uff0c\u5982\u679c\u6211\u5e26\u7740\u4e00\u4e2a\u56e2\u961f\uff0c\u6211\u4f1a\u82b1\u5f88\u591a\u65f6\u95f4\u601d\u8003\u8fd9\u4e9b\u6a21\u578b\u548c\u5de5\u5177\u5bf9\u56e2\u961f\u751f\u4ea7\u529b\u7684\u8d4b\u80fd\uff0c\u56e0\u4e3a\u90a3\u53ef\u4ee5\u4f53\u73b0\u6211\u7684\u4ef7\u503c\uff0c\u6216\u8005\u8bf4\u4e3a\u6570\u4e0d\u591a\u53ef\u4ee5\u4f53\u9a8c\u4ef7\u503c\uff0c\u6216\u8005\u81f3\u5c11\u8ba9\u4e0a\u7ea7\u770b\u5230\u4ef7\u503c\u7684\u5730\u65b9\u3002<\/p>\n<p>\u867d\u8bf4\u5355\u7eaf\u7684\u4e13\u4e1a\u6280\u672f\u4eba\u5458\u4e5f\u80fd\u505a\u8fd9\u6837\u7684\u4e8b\u60c5\uff0c\u4f46\u662f\uff0c\u8003\u8651\u5230\u201c\u4e0a\u4e0b\u5de6\u53f3\u201d\u7684\u73b0\u5b9e\u969c\u788d\uff08\u8fd9\u91cc\u5199\u4e86\u4e0d\u5c11\uff0c\u90fd\u5220\u6389\u4e86\uff0c\u6015\u5382\u5b50\u7684\u516c\u5173\u8fc7\u6765\u63d0\u9192\uff09\uff0c\u662f\u5f88\u96be\u63a8\u52a8\u7684\uff0c\u6240\u4ee5\u5f88\u96be\u8ba9\u6211\u6295\u5165\u5927\u91cf\u7684\u7cbe\u529b\u5728\u8fd9\u4e2a\u4e0a\u9762\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u7eaf\u4e13\u4e1a\u7acb\u8db3\u7684\u524d\u7aef\u5f00\u53d1\uff0c\u7a76\u7adf\u4ec0\u4e48\u624d\u662f\u81ea\u5df1\u7684\u6838\u5fc3\u7ade\u4e89\u529b\uff0c\u8fd9\u4e2a\u95ee\u9898\u6211\u5176\u5b9e\u4e00\u76f4\u5728\u601d\u8003\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u4e00\u76f4\u601d\u8003\u5462\uff1f<\/p>\n<p>\u56e0\u4e3a\u6bcf\u6b21\u5206\u4eab\u90a3\u4e9b\u5b9e\u7528\u6216\u4e0d\u5b9e\u7528\u7684\u524d\u7aef\u6280\u672f\uff0c\u90fd\u4f1a\u6709\u4eba\u8bc4\u8bba\uff0c\u73b0\u5728\u90fdAI\u4e86\uff0c\u5b66\u8fd9\u4e2a\u8fd8\u6709\u4ec0\u4e48\u7528\u3002<\/p>\n<p>\u6211\u7684\u56de\u7b54\u662f\uff1a<\/p>\n<p>\u5982\u679c\u6211\u7684\u6c34\u5e73\u6bd4AI\u8fd8\u8981\u5f3a\uff0c\u6211\u5b9e\u73b0\u7684\u4e1c\u897f\u6bd4AI\u5b9e\u73b0\u7684\u8fd8\u8981\u597d\uff0c\u90a3\u6211\u662f\u4e0d\u662f\u4e0d\u8981\u62c5\u5fc3\u88abAI\u66ff\u4ee3\uff0c\u8fd9\u662f\u4e0d\u662f\u6211\u7684\u6838\u5fc3\u7ade\u4e89\u529b\uff01<\/p>\n<p>\u4eba\u7684\u7cbe\u529b\u662f\u6709\u9650\u7684\uff0c\u5c24\u5176\u5230\u4e86\u6211\u73b0\u5728\u8fd9\u4e2a\u5e74\u7eaa\uff0c\u518d\u50cf10\u5e74\u524d\u90a3\u6837\uff0c\u6bcf\u5929\u7814\u7a76\u524d\u7aef\u5230\u51cc\u66681~2\u70b9\uff0c\u662f\u4e0d\u53ef\u80fd\u4e86\uff0c\u53ea\u80fd\u820d\u5f03\u5de5\u5177\u5c42\u9762\u7684\u5173\u6ce8\u4e0e\u7814\u7a76\uff0c\u7ee7\u7eed\u628a\u7cbe\u529b\u653e\u5728\u8bed\u8a00\u672c\u8eab\u4e0a\u3002<\/p>\n<p>\u90a3\u4e9b\u597d\u7684\uff0c\u53ef\u80fd\u4e0d\u7a33\u5b9a\u7684\u7279\u6027\uff0c\u90a3\u4e9b\u7279\u522b\u65b0\u7684\u4f46\u662f\u5f88\u9ad8\u6548\u7684\u5b9e\u73b0\u4e0a\u3002<\/p>\n<p>\u6bd4\u65b9\u8bf4\u6700\u8fd1\u7684\u9879\u76ee\u4f7f\u7528<code>scroll-state<\/code>\u6eda\u52a8\u5bb9\u5668\u67e5\u8be2\uff1a<\/p>\n<pre>@container excel-scroller scroll-state(scrolled: right) {\r\n  \/* \u7b2c\u4e00\u5217\u7c98\u6027\u5b9a\u4f4d\u542f\u7528\u7684\u65f6\u5019\uff0c\u51fa\u73b0\u53f3\u8fb9\u6846 *\/\r\n  :where(td, th):first-child {\r\n    border-right: 1px solid var(--ui-border);\r\n  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\/>\n\ud83e\udd70\ud83d\ude0d\ud83d\ude18<\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12203\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12203<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202605\/2026-5-29_162016.webp\" width=\"160\" height=\"96\" alt=\"focusVisible\u5c01\u9762\u5360\u4f4d\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>\u7ee7preventScroll\u53c2\u6570\u4e4b\u540e\uff0cJS 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