{"id":505,"date":"2010-01-04T15:57:45","date_gmt":"2010-01-04T07:57:45","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=505"},"modified":"2017-12-31T23:19:58","modified_gmt":"2017-12-31T15:19:58","slug":"%e9%a1%b5%e9%9d%a2%e5%8f%af%e7%94%a8%e6%80%a7%e4%b9%8boutline%e8%bd%ae%e5%bb%93%e5%a4%96%e6%a1%86%e7%9a%84%e4%b8%80%e4%ba%9b%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2010\/01\/%e9%a1%b5%e9%9d%a2%e5%8f%af%e7%94%a8%e6%80%a7%e4%b9%8boutline%e8%bd%ae%e5%bb%93%e5%a4%96%e6%a1%86%e7%9a%84%e4%b8%80%e4%ba%9b%e7%a0%94%e7%a9%b6\/","title":{"rendered":"\u9875\u9762\u53ef\u7528\u6027\u4e4boutline\u8f6e\u5ed3\u5916\u6846\u7684\u4e00\u4e9b\u7814\u7a76"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=505\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=505<\/a><\/p>\n<h3>\u4e00\u3001\u91cd\u8981\u7684\u524d\u8a00<\/h3>\n<p>\u5728IE\u4ee5\u53caFirefox\u6d4f\u89c8\u5668\u4e0b\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u70b9\u51fb\u94fe\u63a5\u6587\u5b57\u6216\u56fe\u7247\uff08\u7279\u6307<code>&lt;a&gt;<\/code>\u6807\u7b7e\u4e0b\u7684\uff09\u3002\u4f1a\u7559\u4e0b\u4e00\u4e2a\u8f6e\u5ed3\u6846\u3002\u66fe\u7ecf\u6709\u4e00\u6bb5\u65f6\u95f4\uff0c\u6211\u79f0\u4e4b\u4e3a\u94fe\u63a5\u865a\u6846\u3002\u540e\u6765\uff0c\u6539\u53e3\u4e86\uff0c\u56e0\u4e3a\u6211\u53d1\u73b0\u79f0\u4e4b\u4e3a\u94fe\u63a5\u865a\u6846\u4f3c\u4e4e\u6709\u4e9b\u4e0d\u51c6\u786e\uff0c\u72ed\u9698\u4e86\u70b9\u3002<\/p>\n<p>\u7531\u4e8e\u70b9\u51fb\u94fe\u63a5\u4f1a\u4ea7\u751f\u8f6e\u5ed3\u6846\u5c31\u5728IE\u548cFirefox\u6d4f\u89c8\u5668\u4e0b\u4f1a\u51fa\u73b0\uff0c\u800c\u8fd9\u4e24\u8005\u7684\u53d8\u73b0\u6070\u597d\u6709\u90fd\u662f\u865a\u6846(<code>dotted<\/code>)\uff0c\u6240\u4ee5\u4f1a\u76f4\u63a5\u7528\u94fe\u63a5\u865a\u6846\u7684\u8868\u8ff0\u4ee3\u66ff\u94fe\u63a5\u8f6e\u5ed3\u6846\u3002\u4e8b\u5b9e\u4e0a\uff0c\u94fe\u63a5\u5916\u6846\u4e0d\u7b49\u4e8e\u94fe\u63a5\u865a\u6846\uff0c\u4f8b\u5982\uff0cchrome\u6d4f\u89c8\u5668\u4e0b\uff0c\u94fe\u63a5\u83b7\u53d6\u7126\u70b9\u662f\u7684\u8f6e\u5ed3\u6846\u662f\u7fbd\u5316\u7684\u5b9e\u7ebf\uff0c\u5448\u6697\u6de1\u7684\u6a59\u8272\uff0c\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"chrome\u6d4f\u89c8\u5668\u4e0b\u7684\u7126\u70b9\u5916\u6846\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_101345.png\" title=\"chrome\u6d4f\u89c8\u5668\u4e0b\u7684\u7126\u70b9\u5916\u6846\" class=\"alignnone\" width=\"315\" height=\"95\" \/><\/p>\n<p>\u6240\u4ee5\u9664\u975e\u662f\u7279\u6307\u70b9\u51fb\u4e8b\u4ef6\uff0c\u6211\u4f1a\u4f7f\u7528\u865a\u6846\u4e00\u8bcd\uff0c\u5176\u4f59\u5747\u7528\u8f6e\u5ed3\u6846\u6216\u5916\u6846\u53d6\u800c\u4ee3\u4e4b\u3002<\/p>\n<p>\u5c31\u6211\u4e2a\u4eba\u800c\u8a00\uff0c\u5bf9\u4e8e\u94fe\u63a5\u70b9\u51fb\u540e\u7559\u4e0b\u7684\u8f6e\u5ed3\u6846\uff0c\u6211\u90fd\u662f\u91c7\u53d6\u65e0\u89c6\u7684\u6001\u5ea6\uff0c\u56e0\u4e3a\u6743\u8861\u6765\u8bb2\uff0c\u5bf9\u94fe\u63a5\u8f6e\u5ed3\u6846\u5927\u52a8\u5e72\u6208\u9ebb\u70e6\u5927\u4e8e\u597d\u5904\u3002\u9ebb\u70e6\u5728\u4e8e\u4ee3\u7801\u6210\u672c\uff0c\u517c\u5bb9\u6027\u4ee5\u53ca\u53ef\u7528\u6027\uff0c\u597d\u5904\u5728\u4e8e\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53bb\u9664\u4e86\u8ba8\u538c\u7684\u70b9\u51fb\u5916\u6846\uff0c\u5bf9\u4e8e\u8ffd\u6c42\u5b8c\u7f8e\u7684\u8bbe\u8ba1\u5e08\u6216\u9875\u9762\u5de5\u7a0b\u5e08\u800c\u8a00\uff0c\u5fc3\u7406\u4e0a\u8212\u670d\u4e86\u3002\u4f46\u662f\u5bf9\u4e8e\u7528\u6237\u800c\u8a00\u5462\uff0c\u8003\u8651\u5230\u4ece\u4f17\u4e0e\u4e60\u60ef\u6027\uff0c\u7528\u6237\u5bf9\u94fe\u63a5\u5916\u6846\u7684\u8ba8\u538c\u8fdc\u4e0d\u53ca\u8bbe\u8ba1\u5e08\u6216\u5de5\u7a0b\u5e08\uff0c\u77a7\uff0c\u767e\u5ea6\uff0c\u817e\u8baf\uff0c\u6216\u662f\u65b0\u6d6a\u5b83\u4eec\u5bf9\u94fe\u63a5\u5916\u6846\u505a\u4e86\u5904\u7406\u5417\uff1f\u6ca1\u6709\u3002\u5927\u90e8\u5206\u7684\u7528\u6237\u5c31\u662f\u5728\u8fd9\u6837\u7684\u73af\u5883\u4e0b\u8fc7\u6765\u7684\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728\u4e92\u8054\u7f51\u4e0a\uff0c\u9875\u9762\u603b\u662f\u5343\u5dee\u4e07\u522b\uff0c\u9047\u5230\u7684\u60c5\u51b5\u4e5f\u662f\u5343\u79cb\u5404\u5f02\uff0c\u6240\u4ee5\u6709\u65f6\u5019\u4e5f\u4f1a\u9047\u5230\u597d\u5904\u5927\u4e8e\u9ebb\u70e6\u7684\u60c5\u51b5\uff0c\u770b\u4e0b\u9762\u8fd9\u5f20\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"mt10 imgpad\" alt=\"\u94fe\u63a5\u5916\u6846\u592a\u4e11\u7684\u60c5\u51b5\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/outline_t.png\" title=\"\u94fe\u63a5\u5916\u6846\u592a\u4e11\u7684\u60c5\u51b5\" class=\"alignnone\" width=\"540\" height=\"180\" \/><\/p>\n<p>\u8fd8\u6709\u5c31\u662f\u4e00\u4e9b\u8bbe\u8ba1\u7c7b\u7f51\u7ad9\uff0c\u4e11\u964b\u7684\u70b9\u51fb\u865a\u6846\u662f\u5b8c\u7f8e\u4e3b\u4e49\u7684\u8bbe\u8ba1\u5e08\u4eec\u5b8c\u5168\u65e0\u6cd5\u5bb9\u5fcd\u7684\uff0c\u6240\u4ee5\u4ed6\u4eec\u5c31\u4f1a\u5bf9\u8fd9\u4e2a\u94fe\u63a5\u865a\u6846\u4e0b\u624b\uff0c\u94f2\u9664\u4ed6\u4eec\u3002\u4ed6\u4eec\u53ef\u80fd\u4f1a\u4f7f\u7528<code>a{outline:none;}<\/code>\u6216<code>a{outline:0;}<\/code>\uff08\u540e\u8005\u66f4\u6d88\u8017\u6e32\u67d3\u591a\u4e00\u70b9\uff09\uff0c\u60f3\u5fc5\u6d4f\u89c8\u81f3\u6b64\u7684\u60a8\u4e5f\u77e5\u9053\u8fd9\u4e00\u70b9\u3002\u7136\u800c\uff0c\u8fd9\u4e2a\uff0c\u6216\u8bb8\u5927\u5bb6\u4e60\u4ee5\u4e3a\u5e38\uff0c\u8ba4\u4e3a\u201c\u6ca1\u4ec0\u4e48\u554a\u201d\u7684\u4e00\u4e2a\u6837\u5f0f\u5176\u5b9e\u662f\u9875\u9762\u53ef\u7528\u6027\u4e0a\u4e00\u4e2a\u5927\u5927\u7684\u95ee\u9898\uff0ca big problem!<\/p>\n<p>\u7edd\u5927\u591a\u6570\u7684\u7528\u6237\u90fd\u662f\u901a\u8fc7\u9f20\u6807\u70b9\u51fb\u6253\u5f00\u4e00\u4e2a\u94fe\u63a5\u7684\uff0c\u6240\u4ee5\u8bbe\u7f6e<code>a{outline:none;}<\/code>\u53bb\u9664\u70b9\u51fb\u65f6\u7684\u865a\u6846\u662f\u6ca1\u6709\u95ee\u9898\u7684\u3002\u7136\u800c\uff0c\u6709\u4e00\u90e8\u5206\u7528\u6237\u662f\u952e\u76d8\u4f7f\u7528\u7231\u597d\u8005\u6216\u662f\u4e0d\u5f97\u5df2\u952e\u76d8\u4f7f\u7528\u8005\uff0c\u8bbe\u7f6e<code>a{outline:none;}<\/code>\u5c31\u4f1a\u7ed9\u4ed6\u4eec\u5e26\u6765\u9ebb\u70e6\u3002\u4e3e\u4e2a\u4f8b\u5b50\u5427\uff0c\u6211\u5927\u5b66\u540c\u5bdd\u5ba4\u7684\u6d9b\u54e5\uff0c\u4ed6\u4e0d\u662f\u4ec0\u4e48\u952e\u76d8\u7231\u597d\u8005\uff0c\u4f46\u662f\u4ed6\u7684\u9f20\u6807\u603b\u662f\u65f6\u7075\u662f\u4e0d\u7075\uff0c\u6362\u9f20\u6807\u4e5f\u4e0d\u8d77\u4f5c\u7528\uff0c\u6240\u4ee5\u5f88\u591a\u65f6\u95f4\uff0c\u90fd\u662f\u4f7f\u7528\u952e\u76d8\u6253\u5f00\u6587\u4ef6\uff0c\u6d4f\u89c8\u7f51\u9875\u4ec0\u4e48\u7684\u3002\u5047\u8bbe\u4ed6\u5728\u7528Firefox3\u6d4f\u89c8\u5668\u6d4f\u89c8\u6211\u7684\u65b0\u7684\u9996\u9875\u7cfb\u7edf\uff0c\u5176\u5e73\u65f6\u6d4f\u89c8\u9875\u9762\u90fd\u662f\u6309TAB\u952e\u5728\u5207\u6362\u94fe\u63a5\uff0c\u56de\u8f66\u6253\u5f00\u7684\u3002\u8c01\u77e5\u6211\u8fd9\u4e2a\u201c\u8d56\u6c34\u5b9d\u201d\uff08\u65b9\u8a00\uff0c\u6709\u50bb\u903c\u4e4b\u610f\uff09\u8bbe\u7f6e\u4e86<code>a{outline:none;}<\/code>\uff0c\u7ed3\u679c\u5176\u72c2\u6309TAB\u952e\uff0c\u9875\u9762\u4e0a\u4e00\u70b9\u53cd\u5e94\u90fd\u6ca1\u6709\uff0c\u5176\u8ff7\u832b\u4e86\uff0c\u8111\u4e2d\u5192\u51fa\u8bf8\u5982\u201c\u8fd9\u4e2a\u9875\u9762\u600e\u4e48\u4e86\u201d\u201c\u6211\u6d4f\u89c8\u5668\u662f\u4e0d\u662f\u51fa\u4ec0\u4e48\u5c94\u5b50\u4e86\u201d\u4e4b\u7c7b\u7684\u95ee\u9898\uff0c\u7136\u540e\u4e0d\u5f97\u5df2\u5173\u6389\u4e86\u6b64\u9875\u9762\u3002\u2026\u2026<\/p>\n<p>\u603b\u7ed3\u6b64\u4f8b\u5b50\uff0c\u4e00\u53e5\u8bdd\uff0c\u8bbe\u7f6e<code>a{outline:none;}<\/code>\u867d\u7136\u53ef\u4ee5\u53bb\u9664\u70b9\u51fb\u65f6\u7559\u4e0b\u7684\u5916\u6846\uff0c\u4f46\u540c\u65f6\u4e5f\u627c\u6740\u4e86\u952e\u76d8\u64cd\u4f5c<code>focus<\/code>\u65f6\u7559\u4e0b\u7684\u865a\u6846\uff0c\u56de\u4e8b\u952e\u76d8\u4f7f\u7528\u8005\u8ff7\u832b\u4e0e\u7f51\u9875\u4e2d\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u4f1a\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\u539f\u56e0\u6240\u5728\uff0c\u672c\u6587\u8ba8\u8bba\u7684\u5c31\u662f\u5982\u4f55\u70b9\u51fb\u65f6\u53ef\u4ee5\u6709\u6548\u5730\u53bb\u9664\u94fe\u63a5\u5916\u6846\uff0c\u952e\u76d8<code>focus<\/code>\u65f6\u53c8\u4fdd\u7559\u94fe\u63a5\u5916\u6846\u3002\u7531\u4e8e\u672c\u6587\u4e3b\u8981\u8ba8\u8bba<code>outline<\/code>\uff0c\u6240\u4ee5IE6\uff0cIE7\u6d4f\u89c8\u5668\u53ef\u4ee5\u7ee7\u7eed\u8fc7\u5143\u65e6\uff0c\u653e\u5047\u4f11\u606f\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201001\/css-outline-some-behavior.html\">\u672c\u6587CSS\u4e0eoutline\u8868\u73b0\u6d4b\u8bd5demo\u9875\u9762<\/a><\/p>\n<h3>\u4e8c\u3001demo\u4f7f\u7528\u7684\u4e00\u4e9b\u8bf4\u660e<\/h3>\n<p>demo\u6548\u679c\u7684\u67e5\u770b\u5206\u4e24\u7c7b\uff0c\u4e00\u7c7b\u662f\u70b9\u51fb\uff1b\u4e8c\u7c7b\u662f\u952e\u76d8\u3002<\/p>\n<p>\u70b9\u51fb\u6ca1\u6709\u4ec0\u4e48\u597d\u8bf4\u7684\uff0c\u79fb\u4e0a\u53bb\uff0c\u5de6\u952e\u4e00\u70b9\uff08\u7531\u4e8e\u57fa\u672c\u4e0a\u90fd\u662f\u5f53\u524d\u9875\u9762\u94fe\u63a5\uff0c\u6545\u4e0d\u677e\u5f00\uff09\uff0c\u89c2\u5bdf\u6709\u65e0\u865a\u6846\uff1b\u5bf9\u4e8e\u952e\u76d8\u67e5\u770b\u6548\u679c\uff0c\u503c\u5f97\u4e00\u63d0\uff1a\u9996\u5148IE\u6d4f\u89c8\u5668\uff0cFirefox\uff0cchrome\u4e0b\uff0c\u76f4\u63a5\u70b9\u51fbTAB\u952e\u5c31\u53ef\u4ee5\u67e5\u770b<code>focus<\/code>\u7126\u70b9\u540e\u7684\u6548\u679c\uff0cOpera\u6d4f\u89c8\u5668\u662f\u4e2a\u602a\u80ce\uff0c\u6309Tab\u952e\u4e0d\u9876\u7528\uff0c\u8981\u4f7f\u7528Shift+\u2193\u548cShift+\u2191\u8fdb\u884c\u5207\u6362\u67e5\u770b\uff08\u66f4\u591aOpera\u4e0b\u5feb\u6377\u952e\u70b9<a target=\"_blank\" href=\"http:\/\/www.opera.com\/browser\/tutorials\/nomouse\/\">\u8fd9\u91cc<\/a>\uff09\u3002\u5bf9\u4e8eSafari\u6d4f\u89c8\u5668\uff0c\u5982\u679c\u662f\u5728OS X\u4e0b\uff0c\u9700\u901a\u8fc7System Preferences\uff08\u7cfb\u7edf\u504f\u597d\uff09 > Keyboard and Mouse\uff08\u952e\u76d8\u4e0e\u9f20\u6807\uff09 > Keyboard Shortcuts\uff08\u5feb\u6377\u952e\uff09\u8bbe\u7f6e\u6253\u5f00\u952e\u76d8\u7684\u53ef\u7528\u6027\uff08\u6211\u6ca1\u6709\u82f9\u679c\u673a\u5b50-\u7a77\u554a(5555~~)\uff0c\u6240\u4ee5\u8fd9\u91cc\u6b63\u786e\u4e0e\u5426\u6211\u672a\u9a8c\u8bc1\uff09\u3002\u5982\u679c\u662f\u5728windows\u7cfb\u7edf\u4e0b\uff0c\u5219\u901a\u8fc7\u7f16\u8f91 > \u504f\u597d\u8bbe\u7f6e > \u9ad8\u7ea7\uff0c\u7136\u540e\u52fe\u9009\u201c\u6309\u4f4fTAB\u952e\u4ee5\u9ad8\u4eae\u663e\u793a\u7f51\u9875\u4e0a\u7684\u6bcf\u4e00\u9879\u201d\uff0c\u6b65\u9aa4\u5982\u4e0b\u56fe\u6240\u793a\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"windows\u5f00\u542f\u952e\u76d8\u9ad8\u4eae\u663e\u793a\u6b65\u9aa41\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_112003.png\" title=\"windows\u5f00\u542f\u952e\u76d8\u9ad8\u4eae\u663e\u793a\u6b65\u9aa41\" class=\"alignnone\" width=\"291\" height=\"69\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"windows\u4e0b\u5f00\u542fSafari\u6d4f\u89c8\u5668\u952e\u76d8\u6b65\u9aa42\" src=\" http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_112140.png\" title=\"windows\u4e0b\u5f00\u542fSafari\u6d4f\u89c8\u5668\u952e\u76d8\u6b65\u9aa42\" class=\"alignnone\" width=\"520\" height=\"185\" \/><\/p>\n<p>demo\u4e2d\uff0c\u6587\u5b57\u94fe\u63a5\u4e3a\u666e\u901a\u7684\u6587\u5b57\u94fe\u63a5\uff0c\u7b2c\u4e00\u4e2a\u56fe\u7247\u94fe\u63a5\u80cc\u666f\u4e3a\u56fe\u7247\uff0c\u6587\u5b57<code>text-indent<\/code>\u8d1f\u503c\u5b9a\u4f4d\u5230\u6d4f\u89c8\u5668\u4e4b\u5916\uff0c\u7b2c\u4e8c\u4e2a\u56fe\u7247\u94fe\u63a5\u6dfb\u52a0\u4e00\u4e2a<code>span<\/code>\u6807\u7b7e\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u5230\u6d4f\u89c8\u5668\u53ef\u89c1\u533a\u57df\u4e4b\u5916\u3002<\/p>\n<h3>\u4e09\u3001\u9ed8\u8ba4\u7684\u94fe\u63a5\u5916\u6846<\/h3>\n<p>\u8fd9\u91cc\u6ca1\u6709\u4efb\u4f55outline\u76f8\u5173\u7684\u5c5e\u6027\uff0c\u7ed3\u679c\u5728\u6709\u4e9b\u6d4f\u89c8\u5668\u4e0b\u94fe\u63a5\u5916\u6846\u7684\u8868\u73b0\u5c31\u6bd4\u8f83\u632b\u4e86\uff0c\u4f8b\u5982Firefox\u4e0b\u7684\u865a\u6846\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"Firefox\u9ed8\u8ba4\u4e0b\u7684\u865a\u6846\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_125052.png\" title=\"Firefox\u9ed8\u8ba4\u4e0b\u7684\u865a\u6846\" class=\"alignnone\" width=\"381\" height=\"143\" \/><\/p>\n<p>Opera\u6d4f\u89c8\u5668\u4e0b\u7684\u5916\u6846\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"Opera\u6d4f\u89c8\u5668\u4e0b\u7684\u5916\u6846\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_125635.png\" title=\"Opera\u6d4f\u89c8\u5668\u4e0b\u7684\u5916\u6846\" class=\"alignnone\" width=\"383\" height=\"138\" \/><\/p>\n<p>\u8fd9\u91cc\u5916\u6846\u7684\u5ef6\u4f38\u6b63\u662f\u7531\u4e8e\u4f7f\u7528\u4e86\u6587\u5b57\u504f\u79fb\u6280\u672f\u4ea7\u751f\u7684\u3002\u4e3a\u4e86\u663e\u793a\u7684\u597d\u770b\uff0c\u6709\u65f6\u4f1a\u7528\u56fe\u7247\u4ee3\u66ff\u6309\u94ae\u7b49\uff0c\u6211\u4eec\u6240\u89c1\u7684\u6587\u5b57\u6709\u65f6\u5c31\u662f\u56fe\u7247\u7684\u4e00\u90e8\u5206\u3002\u4ece\u641c\u7d22\u5f15\u64ce\u7684\u89d2\u5ea6\u4e0a\u8bb2\uff0c\u6709\u5fc5\u8981\u5728HTML\u4e2d\u663e\u793a\u56fe\u7247\u4e0a\u7684\u6587\u5b57\uff0c\u4f46\u53c8\u4e0d\u80fd\u5728\u9875\u9762\u4e0a\u770b\u5230\uff0c\u6545\u4f7f\u7528\u6587\u5b57\u504f\u79fb\u6280\u672f\u3002\u5e38\u7528\u7684\u662ftext-indent\u5b9a\u4f4d\uff0c\u8fd8\u6709\u5c31\u662f\u662f\u7edd\u5bf9\u5b9a\u4f4d\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>\n.indent{text-indent:-1000px;}\n.absolute{position:relative;} \n.absolute span{position:absolute; left:-1000px;}<\/pre>\n<\/div>\n<h3>\u56db\u3001overflow:hidden\u6709\u6548\u89e3\u51b3\u5916\u6846\u5ef6\u957f\u95ee\u9898<\/h3>\n<p><code>overflow:hidden<\/code>\u53ef\u4ee5\u6709\u6548\u89e3\u51b3\u5916\u6846\u5ef6\u957f\u7684\u95ee\u9898\u3002\u4e0d\u8fc7\uff0c\u5728Opera\u6d4f\u89c8\u5668\u4e0b\uff0c<code>overflow:hidden<\/code>\u8c8c\u4f3c\u5bf9\u7edd\u5bf9\u5b9a\u4f4d\u7684\u6587\u5b57\u504f\u79fb\u6ca1\u6709\u4f5c\u7528\uff0c\u8fd9\u4f3c\u4e4e\u662f\u4e2abug\u3002\u89c1\u4e0b\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"Opera\u4e0boverflow:hidden\u5bf9\u5916\u6846\u5ef6\u957f\u65e0\u4f5c\u7528\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_131624.png\" title=\"Opera\u4e0boverflow:hidden\u5bf9\u5916\u6846\u5ef6\u957f\u65e0\u4f5c\u7528\" class=\"alignnone\" width=\"539\" height=\"217\" \/><\/p>\n<h3>\u4e94\u3001\u4f7f\u7528outline:none\u53bb\u9664\u94fe\u63a5\u5916\u6846\u7684<\/h3>\n<p><code>outline:none<\/code>\u53ef\u4ee5\u53bb\u9664\u94fe\u63a5\u5916\u6846\uff0c\u4e0d\u7ba1\u9f20\u6807\u70b9\u7684\uff0c\u6216\u662f\u952e\u76d8\u5207\u6362\u7684\uff0c\u90fd\u6ca1\u6709\u5916\u6846\uff0c\u8fd9\u663e\u7136\u662f\u6709\u95ee\u9898\u7684\u3002\u95ee\u9898\u4e0d\u5728\u4e8e<code>outline<\/code>\uff0c\u5176\u5b9e<code>outline:none<\/code>\u672c\u8eab\u5e76\u6ca1\u6709\u4ec0\u4e48\uff0c\u53ea\u662f\u76f4\u63a5\u6302\u5728<code>&lt;a&gt;<\/code>\u6807\u7b7e\u4e0b\u9762\u672a\u514d\u592a\u72e0\u4e86\u70b9\uff0c\u5c31\u50cf\u662f\u5b81\u9519\u6740\u4e09\u5343\u4e0d\u653e\u8d70\u4e00\u4eba\u7684\u6050\u6016\u884c\u52a8\uff0c\u76f4\u63a5\u628a\u952e\u76d8\u7528\u6237\u6392\u9664\u6389\u4e86\u3002\u56e0\u4e3a<code>a{outline:none;}<\/code>\u9020\u6210\u4e86IE6\/7\uff08\u4e0d\u8ba4\u8bc6<code>outline<\/code>\uff09\u4ee5\u5916\u6d4f\u89c8\u5668\u4e0b\uff0c\u4e0d\u7ba1\u662f\u70b9\u51fb\u6216\u662fTAB\u952e\u5207\u6362\u90fd\u770b\u4e0d\u5230\u4efb\u4f55\u5916\u6846\uff0c\u7528\u6237\u6839\u672c\u4e0d\u77e5\u9053\u54ea\u4e2a\u94fe\u63a5\u5f53\u524d\u5728\u6fc0\u6d3b\u72b6\u6001\uff0c\u5728\u952e\u76d8\u7528\u6237\u773c\u4e2d\uff0c\u8fd9\u4e9b\u9875\u9762\u5c31\u662f\u4e2a\u6b7b\u9875\u9762\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>a{outline:none;}<\/pre>\n<\/div>\n<p>\u592a\u591a\u7684\u8bbe\u8ba1\u5e08\u6ca1\u6709\u8003\u8651\u5230\u8fd9\u4e00\u70b9\u4e86\uff0c\u4e0d\u5c11<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/200912\/css-tools-css-reset.html\">CSS\u91cd\u7f6e(css reset)<\/a>\u4e2d\u4e5f\u5bf9<code>outline<\/code>\u8fdb\u884c\u4e86\u5904\u7406\uff0c\u4f8b\u5982\u4e0b\u9762\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"CSS reset\u4e4boutline\" class=\"mt10 imgpad\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_132547.png\" title=\"CSS reset\u4e4boutline\" class=\"alignnone\" width=\"267\" height=\"70\" \/><\/p>\n<p>\u4e0a\u56fe\u4e2d\u7684\u8bbe\u7f6e\u65b9\u5f0f\u5176\u5b9e\u662f\u6709\u95ee\u9898\u7684\uff08\u6b64reset\u8fd8\u6bd4\u8f83\u51fa\u540d\uff09\uff0c\u770b\u8fc7\u672c\u6587\u60a8\u5c31\u4f1a\u77e5\u9053\u4e3a\u4ec0\u4e48\u6709\u95ee\u9898\uff0c\u600e\u6837\u8bbe\u7f6e\u624d\u66f4\u5408\u7406\u3002<\/p>\n<h3>\u516d\u3001\u901a\u8fc7:focus\u6dfb\u52a0\u952e\u76d8\u5207\u6362\u5916\u6846<\/h3>\n<p>\u901a\u8fc7<code>:focus<\/code>\u6dfb\u52a0\u952e\u76d8\u5207\u6362\u5916\u6846\u7684\u60f3\u6cd5\u5176\u5b9e\u662f\u597d\u7684\uff0c\u65e2\u7136<code>a{outline:none;}<\/code>\u4e0d\u591f\u4ec1\u4e49\uff0c\u682a\u8fde\u6240\u6709\u7684\u5916\u6846\uff0c\u90a3\u4e48\u6211\u5728\u540e\u9762\u518d\u8bbe\u7f6e\u4e2a<code>:focus<\/code>\u7684\u6837\u5f0f\uff0c\u5c82\u4e0d\u5c31\u89e3\u51b3\u4e86\u952e\u76d8\u5207\u6362\u7684\u95ee\u9898\u4e86\u3002\u56e0\u4e3a\u952e\u76d8\u5207\u6362\u7684\u539f\u7406\u5c31\u662f\u8ba9\u94fe\u63a5\u5185\u5bb9\u83b7\u53d6\u7126\u70b9(<code>focus<\/code>)\u7684\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>a{outline:none;}\na:focus{outline:thin dotted;}<\/pre>\n<\/div>\n<p>\u7136\u800c\uff0c\u5b9e\u9645\u4e0a\uff0c\u4e8b\u60c5\u4e0d\u662f\u60f3\u7684\u90a3\u4e2a\u6837\u5b50\u3002\u600e\u4e48\u4e86\u5462\uff1f\u901a\u8fc7<code>:focus<\/code>\u91cd\u65b0\u5f15\u5165<code>outline<\/code>\u4f1a\u4f7fIE8\u548cFirefox\u6d4f\u89c8\u5668\u4e0b<code>:active<\/code>\u7684\u6837\u5f0f\u91cd\u65b0\u51fa\u73b0\u3002\u4e8e\u662f\uff0c\u5728\u5355\u51fb\u6587\u5b57\u6216\u56fe\u7247\u94fe\u63a5\u7684\u65f6\u5019\uff0c\u8fd8\u662f\u4f1a\u770b\u5230\u94fe\u63a5\u8f6e\u5ed3\u6846\u3002\u540c\u65f6\uff0c\u5728chrome\u6d4f\u89c8\u5668\u4ee5\u53caSafari\u6d4f\u89c8\u5668\u4e0b\uff0c<code>:focus{{outline:thin dotted;}<\/code>\u66ff\u6362\u4e86\u6d4f\u89c8\u5668\u9ed8\u8ba4<code>focus<\/code>\u65f6\u7684\u6837\u5f0f\u3002Opera\u6d4f\u89c8\u5668\u4e0d\u662f\u8986\u76d6\u539f\u6765\u7684focus\u6837\u5f0f\uff0c\u800c\u662f\u6dfb\u52a0\uff0c\u4e8e\u662f\u4f1a\u51fa\u73b0\u53cc\u8fb9\u6846\u3002 \u89c1\u4e0b\u56fe\uff08\u524d\u8005\u4e3achrome\u7684\u9ed8\u8ba4<code>focus<\/code>\u6837\u5f0f\u66ff\u6362\uff0c\u540e\u8005\u662fOpera\u4e0b\u7684\u53cc\u8fb9\u6846\uff09\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"chrome\u4e0bfocus\u6837\u5f0f\u88ab\u66ff\u6362\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_133623.png\" title=\"chrome\u4e0bfocus\u6837\u5f0f\u88ab\u66ff\u6362\" class=\"alignnone\" width=\"380\" height=\"162\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"Opera\u4e0b\u7684\u53cc\u8fb9\u6846\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_144703.png\" title=\"Opera\u4e0b\u7684\u53cc\u8fb9\u6846\" class=\"alignnone\" width=\"357\" height=\"170\" \/><\/p>\n<h3>\u4e03\u3001\u518d\u6dfb\u52a0:active\u8fdb\u884c\u6d88\u9664<\/h3>\n<p>\u63a5\u4e0a\u9762\u3002\u65e2\u7136<code>:focus<\/code>\u5f15\u51fa\u4e86<code>:active<\/code>\u7684\u6837\u5f0f\uff0c\u6240\u4ee5\uff0c\u5982\u679c\u518d\u5728\u540e\u9762\u6dfb\u52a0<code>:active{outline:none}<\/code>\u5c82\u4e0d\u662f\u53ef\u4ee5\u8ba9IE8\u6216\u662fFirefox\u70b9\u51fb\u65f6\u65e0\u865a\u6846\u3002\u7ed3\u679c\u5982\u4f55\u5462\uff1f\u8fd8\u4e0d\u9519\uff0cIE8\u6216\u662fFirefox\u6d4f\u89c8\u5668\u4e0b\u70b9\u51fb\u662f\u6ca1\u6709\u865a\u6846\u4e86\uff0c\u4e14\u4e0d\u5f71\u54cd\u952e\u76d8TAB\u952e\u7684\u94fe\u63a5\u5207\u6362\u3002\u5c31\u662f\u4ee3\u7801\u4f3c\u4e4e\u5197\u4f59\u4e86\u4e00\u70b9\uff0c\u800c\u4e14\u8986\u76d6\u4e86Chrome\u548cSafari\u6d4f\u89c8\u5668\u4e0b\u9ed8\u8ba4\u7684\u86ee\u9177\u7684<code>focus<\/code>\u6837\u5f0f\uff0cOpera\u4e0b\u7684\u53cc\u8fb9\u6846\u95ee\u9898\u4f9d\u65e7\u5b58\u5728\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>a{outline:none;}\na:focus{outline:thin dotted;}\na:active{outline:none;}<\/pre>\n<\/div>\n<p>\u597d\uff0c\u73b0\u5728\u6211\u4eec\u7406\u4e00\u7406\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u8fd9\u91cc\u7684\u903b\u8f91\u6709\u70b9\u95ee\u9898\uff0c\u7c7b\u4f3c\u4e8e\u8d1f\u8d1f\u5f97\u6b63\u3002\u663e\u793a<code>a{outline:none}<\/code>\u8ba9\u6240\u6709\u7684\u94fe\u63a5\u5916\u6846\u6ca1\u6709\u4e86\uff0c\u7136\u540e\u53c8\u8bbe\u7f6e<code>:focus<\/code>\u8ba9\u5916\u6846\u53c8\u51fa\u73b0\uff0c\u7136\u540e\u53c8\u8bbe\u7f6e<code>:active<\/code>\u8ba9\u5916\u6846\u53c8\u6d88\u5931\uff0c\u8fd9\u5176\u4e2d\u5b58\u5728\u6d88\u5931 &#8211; \u51fa\u73b0 &#8211; \u6d88\u5931\u7684\u903b\u8f91\uff0c\u800c\u6700\u540e\u4e00\u4e2a\u6d88\u5931\u8d77\u4f5c\u7528\u4e86\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6700\u7ec8\u8d77\u4f5c\u7528\u7684\u90a3\u4e2a\u6d88\u5931\u662f\u4e0e\u524d\u9762\u4e24\u8005\u662f\u6ca1\u6709\u5173\u7cfb\u7684\u3002\u6240\u4ee5\uff0c\u903b\u8f91\u63a8\u65ad\uff0c<code>:active<\/code>\u662f\u89e3\u51b3\u95ee\u9898\u7684\u5173\u952e\u3002\u5230\u5e95\u662f\u4e0d\u662f\u5982\u6b64\u5462\uff1f\u770b\u4e0b\u9762\u5185\u5bb9\u3002<\/p>\n<h3>\u516b\u3001\u4ec5\u4ec5\u4f7f\u7528:active\u53bb\u6389\u94fe\u63a5\u5916\u6846\u8f6e\u5ed3\u7ebf<\/h3>\n<p>\u8fd9\u91cc\u7684\u6838\u5fc3\u6837\u5f0f\u5f88\u7b80\u5355\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>a:active{outline:none;}<\/pre>\n<\/div>\n<p>\u7ed3\u679c\u662f\u51fa\u5176\u7684\u597d\uff1a\u53ef\u4ee5\u53bb\u9664\u7528\u6237\u70b9\u51fb\u56fe\u7247\u5f0f\u94fe\u63a5\u65f6\u7684\u5916\u6846\u7ebf\u7684\u95ee\u9898\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u4e60\u60ef\u4f7f\u7528\u952e\u76d8\u7528\u6237\u5728\u94fe\u63a5\u83b7\u5f97\u7126\u70b9\u65f6\u865a\u6846\u53ef\u89c1\u3002\u5e76\u4e14\u4e0d\u4f1a\u91cd\u7f6e\u6d4f\u89c8\u5668\u9ed8\u8ba4\u7684<code>focus<\/code>\u83b7\u5f97\u7126\u70b9\u7684\u6837\u5f0f\uff0c\u6216\u662f\u4ea7\u751f\u53cc\u8fb9\u6846\u7684\u95ee\u9898\u3002\u53ef\u4ee5\u8bf4\u662f\u76f8\u5f53\u5b8c\u7f8e\u3002<\/p>\n<p>\u4e0b\u56fe\u4e3aIE8\u4e0b\u952e\u76d8\u5207\u6362<code>focus<\/code>\u65f6\u7684\u6837\u5f0f\u8868\u73b0\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"mt5\" alt=\"IE8\u4e0b\u7684focus\u65f6\u6837\u5f0f\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201001\/2010-01-04_150636.png\" title=\"IE8\u4e0b\u7684focus\u65f6\u6837\u5f0f\" class=\"alignnone\" width=\"390\" height=\"148\" \/><\/p>\n<h3>\u4e5d\u3001\u4f7f\u7528:hover\u505a\u8fdb\u4e00\u6b65\u7684\u5f25\u8865<\/h3>\n<p>\u540e\u6765\u7684\u4e00\u4e9b\u6d4b\u8bd5\u8868\u660e\uff0c\u4ec5\u4ec5\u4f7f\u7528<code>:active<\/code>\u8fd8\u6709\u4e00\u70b9\u5c0f\u5c0f\u7684\u95ee\u9898\uff0c\u5c31\u662f\u7528\u6237\u70b9\u51fb\u4e00\u4e2a\u94fe\u63a5\u548c\u8fd9\u4e2a\u94fe\u63a5\u6307\u5411\u7684\u9875\u9762\u52a0\u8f7d\u7684\u8fc7\u7a0b\u4e2d\uff0c\u94fe\u63a5\u5916\u6846\u4f9d\u65e7\u4f1a\u51fa\u73b0\uff0c\u8fd9\u5176\u5b9e\u4e5f\u4e0d\u96be\u7406\u89e3\uff0c\u94fe\u63a5\u88ab\u70b9\u4e2d\uff0c\u4e5f\u5904\u4e8e<code>:focus<\/code>\u72b6\u6001\u3002\u7531\u4e8e\u672c\u6d4b\u8bd5\u9875\u9762\u7684\u94fe\u63a5\u57fa\u672c\u4e0a\u90fd\u662f\u5728\u9875\u9762\u81ea\u8eab\uff0c\u6240\u4ee5\u770b\u4e0d\u5230\u6b64\u95ee\u9898\u3002\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u5c31\u662f\u6dfb\u52a0<code>:hover<\/code>\u7684<code>outline:none<\/code>\u5c5e\u6027\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>a:hover,a:active{outline:none;}<\/pre>\n<\/div>\n<p>\u53e6\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u94fe\u63a5\u5916\u6846\u7684\u95ee\u9898\u6ca1\u6709\u89e3\u51b3\uff0c\u5c31\u662f\u5f53\u7528\u6237\u70b9\u51fb\u4e86\u4e00\u4e2a\u94fe\u63a5\u540e\uff0c\u518d\u70b9\u51fb\u6d4f\u89c8\u5668\u7684\u540e\u9000\u6309\u94ae\u7684\u65f6\u5019\uff0c\u6b64\u65f6<code>outline<\/code>\u5c31\u4f1a\u51fa\u73b0\u3002 <\/p>\n<h3>\u5341\u3001IE6\/7\u4e0e\u94fe\u63a5\u5916\u6846<\/h3>\n<p>\u867d\u7136\u672c\u6587\u4e3b\u9898\u662f<code>outline<\/code>\uff0c\u4e0eIE6\/7\u5f62\u540c\u964c\u8def\u3002\u4f46\u662fIE6\/7\u4e5f\u662f\u6709\u94fe\u63a5\u865a\u6846\u7684\u3002\u6709\u4e2aIE\u7684\u79c1\u6709\u5c5e\u6027\u53ef\u4ee5\u6709\u6548\u7684\u6839\u9664IE\u7684\u94fe\u63a5\u865a\u6846\uff0c\u5c31\u662f<code>hidefocus=\"true\"<\/code>\uff0c\u5982\u679c\u60a8\u7684\u9875\u9762\u60f3\u4fdd\u8bc1\u8f83\u9ad8\u7684\u53ef\u7528\u6027\uff0c\u8fd9\u73a9\u610f\u6700\u597d\u4e0d\u8981\u7528\uff0c\u6216\u4ec5\u7528\u5728\u4e0d\u91cd\u8981\u7684\u5730\u65b9\u3002\u8fd9\u4e1c\u897f\uff0c\u4e5f\u662f\u4e2a\u72e0\u89d2\u8272\uff0c\u5f88\u72ec\u88c1\uff0c\u9ccc\u62dc\u3002\u4f1a\u8ba9\u542b\u6709\u6b64\u5c5e\u6027\u7684\u94fe\u63a5\u5916\u6846\u5b8c\u5168\u6d88\u5931\uff0c\u4ec0\u4e48\u952e\u76d8TAB\u5207\u6362\u6839\u672c\u9e1f\u90fd\u4e0d\u9e1f\uff0c\u4f1a\u6709<code>a{outline:none}<\/code>\u540c\u6837\u7684\u53ef\u7528\u6027\u95ee\u9898\uff0c\u8c8c\u4f3c\u8fd8\u4f1a\u5c4f\u853d<code>focus<\/code>\u4e8b\u4ef6\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;a href=\"#\" hidefocus=\"true\">\u94fe\u63a5&lt;\/a><\/pre>\n<\/div>\n<h3>\u5341\u4e00\u3001\u6700\u540e\u7684\u603b\u7ed3<\/h3>\n<p>\u9996\u5148\uff0c\u5e94\u8be5\u77e5\u9053\u4e3a\u4f55\u8bf4<code>:focus{outline:none}<\/code>\u662f\u4e0d\u5408\u7406\u7684\u4e86\u3002\u8003\u8651\u5230\u9875\u9762\u7684\u53ef\u7528\u6027\uff0c\u5c24\u5176\u5bf9\u4e8e\u952e\u76d8\u4f7f\u7528\u8005\u7684\u9875\u9762\u53ef\u7528\u6027\uff0c\u4e00\u65e6\u8bbe\u7f6e\u4e86<code>:focus{outline:none}<\/code>\uff0c\u952e\u76d8TAB\u5207\u6362\u662f\uff0c\u867d\u7136\u4e8b\u5b9e\u4e0a\u5b9e\u5728\u4e0d\u505c\u7684\u5207\u6362\uff0c\u4f46\u662f\u7531\u4e8e<code>outline<\/code>\u6837\u5f0f\u4e3a<code>none<\/code>\uff0c\u5916\u6846\u6ca1\u6709\u6837\u5f0f\uff0c\u7528\u6237\u6839\u672c\u4e0d\u77e5\u9053\u5f53\u524d\u54ea\u4e2a\u94fe\u63a5\uff08\u6216\u662f\u8868\u5355\u63a7\u4ef6\uff09\u5904\u4e8e<code>focus<\/code>\u83b7\u5f97\u7126\u70b9\u7684\u72b6\u6001\uff0c\u4e5f\u5c31\u65e0\u6cd5\u518d\u9875\u9762\u4e0a\u8fdb\u884c\u64cd\u4f5c\uff0c\u8fd9\u7c7b\u7528\u6237\u5305\u62ec\u6b8b\u75be\u4eba\u58eb\uff0c\u4f7f\u7528\u7f51\u9875\u9605\u8bfb\u5668\uff0c\u6216\u662f\u9f20\u6807\u51fa\u95ee\u9898\u7684\u7528\u6237\uff0c\u6216\u662f\u5c31\u662f\u4e2a\u952e\u76d8\u4f7f\u7528\u7231\u597d\u8005\u3002<\/p>\n<p>\u4e8b\u5b9e\u4e0a\u662f\u5b58\u5728\u53cc\u8d62\u7684\u65b9\u6cd5\u7684\uff0c\u5c06<code>:focus{outline:none;}<\/code>\u6539\u6210<code>:active{outline:none;}<\/code>\u8fd9\u6837\uff0c\u65e2\u53ef\u4ee5\u8ba9\u9f20\u6807\u4f7f\u7528\u8005\u70b9\u51fb\u65f6\u53bb\u6389\u4e11\u964b\u7684\u5916\u6846\uff0c\u53c8\u4fdd\u7559\u4e86\u952e\u76d8\u4f7f\u7528\u8005\u9700\u8981\u770b\u5230\u7684\u7126\u70b9\u5916\u6846\uff0c\u786e\u5b9e\u4e3a\u4e24\u5168\u5176\u7f8e\u7684\u65b9\u6cd5\u3002\u5982\u679c\u60a8\u60f3\u66f4\u8fd1\u4e00\u6b65\uff0c\u53ef\u4ee5\u6dfb\u52a0<code>:hover{outline:none;}<\/code>\uff0c\u4f46\u6211\u4e2a\u4eba\u7684\u770b\u6cd5\u662fhover\u5c31\u4e0d\u7528\u52a0\u4e86\uff0c\u7efc\u5408\u4f30\u91cf\u6210\u672c\u548c\u6536\u76ca\uff0c\u8c8c\u4f3c\u6210\u672c\u8981\u6bd4\u6536\u76ca\u5927\u4e00\u70b9\uff0c\u5f53\u7136\uff0c\u8fd9\u91cc\u9762\u542b\u6709\u4e3b\u89c2\u56e0\u7d20\uff0c\u60a8\u4e0d\u5fc5\u8ddf\u6211\u610f\u89c1\u4e00\u81f4\u3002<\/p>\n<p>\u56de\u5230\u5f00\u59cb\uff0c\u672c\u6587\u7684\u8ba8\u8bba\u524d\u63d0\u662f\u662f\u5728\u5047\u8bbe\u4f60\u8981\u53bb\u9664\u94fe\u63a5\u5916\u6846\uff0c\u8003\u8651\u5230\u9875\u9762\u7684\u53ef\u7528\u6027\u95ee\u9898\uff0c\u60a8\u5e94\u8be5\u5bf9CSS\u600e\u4e48\u505a\u3002\u6211\u7684\u7ecf\u9a8c\u544a\u8bc9\u6211\uff0c\u5f88\u591a\u4e8b\u7269\uff0c\u5f80\u5f80\u662f\u539f\u59cb\u7684\uff0c\u9ed8\u8ba4\u7684\u662f\u6700\u597d\u7684\u3002\u9a6c\u5316\u817e\u9a6c\u8001\u677f\u5728\u5176\u5185\u90e8\u7684\u4ea7\u54c1\u4f1a\u8bae\u4e0a\u4e5f\u63d0\u5230\u8fd9\u4e00\u70b9\uff0c<a target=\"_blank\" class=\"a_link\" href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=409\">\u70b9\u51fb\u8fd9\u91cc<\/a>\uff0c\u5176\u9488\u5bf9\u7684\u662f\u6d4f\u89c8\u5668\u9ed8\u8ba4\u7684\u63a7\u4ef6\uff0c\u5c24\u6307\u6309\u94ae\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u8981\u4e0d\u8981\u901a\u8fc7\u6837\u5f0f\u82b1\u4ee3\u7801\u82b1\u5fc3\u601d\u6539\u53d8\u94fe\u63a5\u5916\u6846\u7684\u6837\u5f0f\u8868\u73b0\u5462\uff1f\u81f3\u5c11\u6211\u662f\u4e0d\u4f1a\u7684\uff0c\u9664\u4e86\u4f1a\u89e3\u51b3\u4e0b\u5916\u6846\u5ef6\u4f38\u7684\u95ee\u9898\u6216\u662f\u6781\u5c11\u7684\u4f7f\u7528\u4e86<code>a<\/code>\u6807\u7b7e\u7684\u975e\u94fe\u63a5\uff0c\u6211\u662f\u4e0d\u4f1a\u52a8<code>outline<\/code>\u52a8\u5916\u6846\u7684\uff0c\u56e0\u4e3a\u6211\u89c9\u5f97\u8fd9\u662f\u5403\u529b\u4e0d\u8ba8\u597d\u7684\u4e8b\u60c5\uff0c\u4e0d\u505a\u53cd\u800c\u6e05\u95f2\uff0c\u90fd\u4ea4\u7ed9\u6d4f\u89c8\u5668\u5427\u3002<\/p>\n<p>\u6700\u540e\uff0c\u7531\u4e8e\u6587\u7ae0\u5199\u4e86\u4e00\u534a\uff0c\u6d4f\u89c8\u5668\u51fa\u5c94\u5b50\uff0c\u5f88\u591a\u5185\u5bb9\u4e22\u4e86\u91cd\u5199\uff08\u771f\u662f\u706b\uff09\uff0c\u6240\u4ee5\u5185\u5bb9\u4e0a\u53ef\u80fd\u6709\u91cd\u590d\uff0c\u6216\u5570\u55e6\uff0c\u6216\u4e0a\u4e0b\u8854\u63a5\u4e0d\u81ea\u7136\uff0c\u8fd8\u671b\u89c1\u8c05\u3002\u8fd8\u6709\uff0c\u60a8\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9047\u5230\u4ec0\u4e48\u7c7b\u4f3c\u95ee\u9898\uff0c\u6216\u662f\u53d1\u73b0\u672c\u6587\u5185\u5bb9\u7684\u4e0d\u6b63\u786e\u4e4b\u5904\uff0c\u6b22\u8fce\u6307\u6b63\u3002\u5c31\u8fd9\u4e9b\uff0c\u6211\u8981\u53bb\u4e70\u300a\u963f\u51e1\u8fbe\u300b\u7684\u7535\u5f71\u7968\u4e86\uff0c\u563f\u563f\u3002<\/p>\n<h3>\u5341\u4e8c\u3001\u53c2\u8003\u6587\u7ae0<\/h3>\n<p>1\u3001<a target=\"_blank\" href=\"http:\/\/24ways.org\/2009\/dont-lose-your-focus\">Don&#8217;t Lose Your :focus<\/a><br \/>\n2\u3001<a target=\"_blank\" href=\"http:\/\/people.opera.com\/patrickl\/experiments\/keyboard\/test\">Better CSS outline suppression<\/a><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea<a href=\"http:\/\/www.zhangxinxu.com\/\">\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[<a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a>]<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=505\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=505<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728IE\u4ee5\u53caFirefox\u6d4f\u89c8\u5668\u4e0b\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u70b9\u51fb\u94fe\u63a5\u6587\u5b57\u6216\u56fe\u7247\uff08\u7279\u6307a\u6807\u7b7e\u4e0b\u7684\uff09\u3002\u4f1a\u7559\u4e0b\u4e00\u4e2a\u8f6e\u5ed3\u6846\u3002\u5c31\u6211\u4e2a\u4eba\u800c\u8a00\uff0c\u5bf9\u4e8e\u94fe\u63a5\u70b9\u51fb\u540e\u7559\u4e0b\u7684\u8f6e\u5ed3\u6846\uff0c\u6211\u90fd\u662f\u91c7\u53d6\u65e0\u89c6\u7684\u6001\u5ea6\uff0c\u56e0\u4e3a\u6743\u8861\u6765\u8bb2\uff0c\u5bf9\u94fe\u63a5\u8f6e\u5ed3\u6846\u5927\u52a8\u5e72\u6208\u9ebb\u70e6\u5927\u4e8e\u597d\u5904\u3002\u4f46\u662f\u7f51\u7ad9\u5343\u5dee\u4e07\u522b\uff0c\u603b\u6709\u9700\u8981\u89e3\u51b3\u8fd9\u7c7b\u865a\u6846\u7684\u65f6\u5019\u3002<\/p>\n<p>\u76ee\u524d\u7f51\u4e0a\u6216\u8bbe\u8ba1\u5e08\u5de5\u7a0b\u5e08\u5e38\u7528\u7684\u65b9\u6cd5\u5c31\u662f\u8bbe\u7f6e&#8230;\uff0c\u6b64\u65b9\u6cd5\u786e\u5b9e\u6709\u6548\uff0c\u6216\u662f\u7531\u4e8e\u8ddf\u98ce\uff0c\u6216\u662f\u7531\u4e8e\u6ca1\u6709\u6df1\u5165\u601d\u8003\uff0c\u6216\u662f\u6839\u672c\u6ca1\u6709\u5fc5\u8981\u60f3\u90a3\u4e48\u591a\uff0c\u6b64\u65b9\u6cd5\u4f1a\u5927\u5927\u964d\u4f4e\u9875\u9762\u7684\u53ef\u7528\u6027&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[296,136,1271,135,295,292,134,137,291,138,297,139,294,293],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/505"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=505"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/505\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}