{"id":3073,"date":"2013-03-06T19:24:05","date_gmt":"2013-03-06T11:24:05","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=3073"},"modified":"2018-01-02T02:33:19","modified_gmt":"2018-01-01T18:33:19","slug":"8-myths-blind-people-use-internet","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2013\/03\/8-myths-blind-people-use-internet\/","title":{"rendered":"\u7ffb\u8bd1-\u76f2\u4eba\u5982\u4f55\u4f7f\u7528\u4e92\u8054\u7f51\u76848\u4e2a\u8bef\u533a"},"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=3073\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=3073<\/a><\/p>\n<div id=\"link\">\n\u672c\u6587\u539f\u5740\uff1a<a href=\"http:\/\/speckyboy.com\/2013\/02\/04\/myths-about-how-blind-people-use-the-internet\/\">http:\/\/speckyboy.com\/2013\/02\/04\/&#8230;internet\/<\/a><br \/>\n\u672c\u6587\u4f5c\u8005\uff1a<a href=\"http:\/\/speckyboy.com\/author\/david-ball\/\">David Ball<\/a> &#8211; \u5927\u536b<span style=\"font-family:simsun;\">\u00b7<\/span>\u76ae\u7403<img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/13.gif\" align=\"absmiddle\"><br \/>\n\u7ffb\u8bd1\u7f16\u8f91\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a>\n<\/div>\n<div style=\"padding:3px; background-color:#eee; margin-top:20px;\">\n<div style=\"border:1px solid #cacaca;\">\n<div style=\"background-color:#eee; padding:10px; background-image:linear-gradient(#FAFAFA, #EAEAEA);\">\u7ffb\u8bd1\u6b63\u6587<\/div>\n<div style=\"padding:20px; background-color:#fff;\">\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u8111\u888b\u6ca1\u6709\u88ab\u9a74\u8e22\u8fc7\u524d\u7aef\u5f00\u53d1\u4eba\u5458\uff0c\u663e\u7136\u542c\u8bf4\u8fc7\u53ef\u8bbf\u95ee\u6027\u8fd9\u4e2a\u4e1c\u897f\u3002\u5728\u521b\u5efa\u7f51\u7ad9\u7684\u65f6\u5019\uff0c\u6211\u603b\u662f\u9075\u5faa\u4e00\u4e9b\u6240\u8c13\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u4fbf\u4f7f\u7528\u5c4f\u5e55\u9605\u8bfb\u5668\u9605\u8bfb\u7684\u65f6\u5019\u4e5f\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002\u6211\u60f3\uff0c\u5927\u591a\u6570\u8ddf\u6211\u4ece\u4e8b\u7c7b\u4f3c\u5de5\u4f5c\u7684\u5f00\u53d1\u4eba\u5458\u5e76\u6ca1\u6709\u771f\u6b63\u81ea\u5df1\u4f7f\u7528\u8fc7\u5c4f\u5e55\u9605\u8bfb\u5668\u3002\u8fd9\u4f3c\u4e4e\u4e0d\u662f\u4e2a\u8f7b\u677e\u7684\u5dee\u4e8b\uff0c\u800c\u4e14\u6211\u8fd8\u542c\u8bf4\u8fd9\u73a9\u610f\u5f88\u8d35<img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/50.gif\" align=\"absmiddle\">\u3002\u4e2a\u628a\u6708\u524d\uff0c\u6211\u82b1\u4e86\u4e00\u4e2a\u661f\u671f\u5047\u88c5\u81ea\u5df1\u662f\u76f2\u4eba\uff0c\u4f7f\u7528\u4e00\u4e2a\u5c4f\u5e55\u9605\u8bfb\u5668\u53bb\u6d4f\u89c8\u7f51\u7ad9\uff0c\u8bd5\u56fe\u53bb\u4e86\u89e3\u76f2\u4eba\u7528\u6237\u5982\u4f55\u53bb\u542c\u8fd9\u4e9b\u7ad9\u70b9\u7684\uff08\u6709\u56fe\u6709\u771f\u76f8\uff0c\u89c1\u4e0b\uff09\u3002\u6211\u5b66\u5230\u4e86\u5f88\u591a\u4e1c\u897f\uff0c\u8fde\u81ea\u5df1\u4e5f\u6ca1\u60f3\u5230\u7684\u662f\uff0c\u8fd9\u5df2\u7ecf\u6539\u53d8\u4e86\u6211\u5199HTML\u7684\u65b9\u5f0f\u4e86\u3002\u5173\u4e8e\u53ef\u8bbf\u95ee\u6027\u6709\u5f88\u591a\u7684\u8c23\u8a00\u548c\u8bef\u89e3\u3002\u4e0b\u9762\u8fd9\u4e9b\u5c31\u662f\u786e\u5b9a\u4e00\u5b9a\u4ee5\u53ca\u80af\u5b9a\u4e0d\u6b63\u786e\u7684\u8bef\u533a\uff1a<br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201303\/david-screenreader.jpg\" width=\"550\" height=\"356\" alt=\"\u6211\u662f\u76f2\u4eba\uff0c\u6211\u5047\u88c5\u76f2\u4eba\" style=\"margin-top:10px; padding:5px; background-color:#f0f3f9;\" \/><\/p>\n<h3>\u8bef\u533a1\uff1a\u5c4f\u5e55\u9605\u8bfb\u5668\u8bfb\u53d6\u94fe\u63a5\u6807\u9898\u6587\u672c<\/h3>\n<p>\u4e0d\u8bd5\u4e0d\u77e5\u9053\uff0c\u4e00\u8bd5\u5413\u4e00\u8df3\uff0c\u8fd9\u5c45\u7136\u662f\u4e0d\u6b63\u786e\u7684<img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/0.gif\" align=\"absmiddle\">\u3002\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u91cc\uff0c\u6211\u603b\u662f\u8bd5\u56fe\u5728\u94fe\u63a5\u4e0a\u589e\u52a0<code>title<\/code>\u6587\u5b57\u4ee5\u63cf\u8ff0\u8fd9\u4e2a\u94fe\u63a5\uff0c\u76ee\u7684\u662f\u65b9\u4fbf\u5c4f\u5e55\u9605\u8bfb\u5668\u7406\u89e3\u3002\u73b0\u5728\u6211\u662f\u77e5\u9053\u4e86\uff0c\u5c4f\u5e55\u9605\u8bfb\u5668<strong>\u538b\u6839\u5c31\u4e0d\u4f1a<\/strong>\u9e1f<code>title<\/code>\u5c5e\u6027\u4e2d\u7684\u6587\u5b57\uff0c\u8fd9\u610f\u5473\u7740\u4e3a\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u6dfb\u52a0\u989d\u5916\u4fe1\u606f\u7684\u505a\u6cd5\u662f\u2026\u2026\u8131\u88e4\u5b50\u653e\u5c41\u2014\u2014\u591a\u6b64\u4e00\u4e3e\u3002\u8fd9\u662f\u5f88\u91cd\u8981\u7684\u4fe1\u606f\uff0c\u56e0\u4e3a\u8fd9\u5b9e\u9645\u4e0a\u964d\u4f4e\u4e86\u9875\u9762\u53ef\u8bbf\u95ee\u6027\u3002\u6211\u8be2\u95eeHTML\u65b9\u9762\u4e13\u5bb6Jeffrey Zeldman, \u6211\u4eec\u662f\u5426\u5e94\u8be5\u7ed9\u94fe\u63a5\u589e\u52a0<code>title<\/code>\u6587\u672c\uff0c\u4ed6\u7684\u56de\u7b54\u5982\u4e0b\uff1a<br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201303\/zeldman-tweet.png\" width=\"488\" height=\"203\" alt=\"Jeffrey Zeldman\u7684\u56de\u7b54\u662f\u4e0d\u9700\u8981\" style=\"margin-top:10px; padding:5px; background-color:#f0f3f9;\" \/><\/p>\n<blockquote style=\"margin-top:2px;\"><p>@silktide \u8bf4: \u6211\u4eec\u6b63\u5728\u7814\u7a76\u94fe\u63a5\u6807\u9898\u6587\u672c\uff0c\u4ee5\u53ca\u5982\u4f55\u4e0d\u88ab\u5c4f\u5e55\u9605\u8bfb\u5668\u4eb2\u7750\u3002\u4f60\u8ba4\u4e3a\u6709\u4f7f\u7528\u5b83\u7684\u539f\u56e0\u5417\uff1f<\/p>\n<p>@Zeldman \u8bf4: \u4e0d\uff01\u4e0d\u8981\u4f7f\u7528\u3002<\/p><\/blockquote>\n<p>\u5bf9\u6b64\uff0c\u4e13\u95e8\u5199\u4e86\u201c<a href=\"http:\/\/blog.silktide.com\/2013\/01\/i-thought-title-text-improved-accessibility-i-was-wrong\/\">\u6211\u8bef\u4ee5\u4e3atitle\u6587\u672c\u53ef\u4ee5\u589e\u52a0\u53ef\u8bbf\u95ee\u6027<\/a>\u201d\u3002<\/p>\n<h3>\u8bef\u533a2\uff1a\u76f2\u4eba\u7528\u6237\u4f7f\u7528\u7eaf\u6587\u672c\u6d4f\u89c8\u5668<\/h3>\n<p>\u4e0d\u8981\u628a\u5c4f\u5e55\u9605\u8bfb\u5668\u548c\u6d4f\u89c8\u5668\u641e\u6df7\u4e86\uff0c\u4e24\u8005\u4e0d\u662f\u4e00\u8def\u8d27\u8272\u3002\u5c4f\u5e55\u9605\u8bfb\u5668\u53ef\u4ee5\u8bfb\u53d6\u6574\u4e2a\u684c\u9762\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u7f51\u9875\u6d4f\u89c8\u5668\u3002\u5c4f\u5e55\u9605\u8bfb\u5668\u4e0d\u662f\u4ec0\u4e48\u7279\u6b8a\u7c7b\u578b\u7684\u6d4f\u89c8\u5668\uff0c\u8fd9\u8d27\u529f\u80fd\u5c31\u662f\u8bfb\u53d6\u4f60\u6b63\u5728\u4f7f\u7528\u7684\u8f6f\u4ef6\u4e0a\u7684\u6587\u672c\u3002\u8fd9\u5c31\u610f\u5473\u7740\u76f2\u4eba\u7528\u6237\u4f7f\u7528\u7684\u662f\u8ddf\u5927\u5bb6\u4e00\u6837\u7684\u6d4f\u89c8\u5668<sup>\u2460<\/sup>\u3002\u6211\u66fe\u88ab\u4e00\u4e9bweb\u5f00\u53d1\u4eba\u5458\u8bef\u5bfc\uff0c\u8bf4\u6d4b\u8bd5\u76f2\u4eba\u7528\u6237\u6700\u597d\u4f53\u9a8c\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528\u4e00\u4e2a\u4e0d\u8d77\u773c\u7684\u7eaf\u6587\u672c\u6d4f\u89c8\u5668\uff0c\u5982Lynx<sup>\u2461<\/sup>\u6216<a href=\"http:\/\/w3m.sourceforge.net\/\">w3m<\/a><sup>\u2462<\/sup>.<\/p>\n<div style=\"color:#999;\">\u8bd1\u8005\u8865\u5145\u6ce8\u91ca\uff1a<br \/>\u2460 \u9f20\u6807\u79fb\u5230\u684c\u9762\u7684\u6d4f\u89c8\u5668\u5feb\u6377\u56fe\u6807\u4e0a\uff0c\u5176\u4ed6\u7684\u6d4f\u89c8\u5668\u663e\u793a\u63d0\u793a\u6587\u5b57\u90fd\u662f\u5b89\u88c5\u8def\u5f84\u3001\u8f6f\u4ef6\u540d\u79f0\u7b49\uff1b\u53ea\u6709Chrome\u6d4f\u89c8\u5668\u662f&#8221;Access this Internet&#8221;\uff0c\u6211\u60f3\u8fd9\u79cd\u5904\u7406\u53ef\u80fd\u662f\u4e3a\u4e86\u76f2\u4eba\u7528\u6237\uff08\u7eaf\u5c5e\u4e2a\u4eba\u731c\u6d4b\uff09\u3002<br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201303\/2013-03-06_165227.png\" style=\"margin:0 10px; padding:5px; background-color:#f0f3f9;\" alt=\"chorme\u6d4f\u89c8\u5668\u7684\u8bbf\u95ee\u4e92\u8054\u7f51\u63d0\u793a\" width=\"253\" height=\"94\" \/><br \/>\u2461 Lynx\u4e3a\u7eaf\u6587\u672c\u7f51\u9875\u6d4f\u89c8\u5668\uff0c\u662f\u5728\u5177\u6709\u5f3a\u8c03\u6587\u5b57\u529f\u80fd\u7684\u7ec8\u7aef\u4e0a\u4f7f\u7528\u7684\u3002<br \/>\u2462 w3m(<a href=\"http:\/\/baike.baidu.com\/view\/455886.htm\">\u767e\u79d1<\/a>)\u662f\u4e2a\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u6587\u5b57\u5f0f\u7f51\u9875\u6d4f\u89c8\u5668\uff0c\u652f\u6301\u8868\u683c\u3001\u6846\u67b6\u3001SSL\u8fde\u7ebf\u3001\u989c\u8272\u3002<\/div>\n<p>\u6839\u636e<a href=\"http:\/\/webaim.org\/projects\/screenreadersurvey4\/\">WebAIM\u7684\u4e00\u9879\u7814\u7a76<\/a>\uff0c\u5728windows\u4e0a\uff0c\u5927\u591a\u6570\u7684\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u4f7f\u7528\u7684\u662fInternet Explorer\u548cFirefox. \u5728\u5176\u4ed6\u5e38\u89c1\u6d4f\u89c8\u5668\u4e0a\u6d4b\u8bd5\u53ef\u80fd\u4e0d\u80fd\u83b7\u5f97\u76f2\u4eba\u7528\u6237\u7684\u771f\u6b63\u4f53\u9a8c\u3002\u514d\u8d39\u7684\u5c4f\u5e55\u9605\u8bfb\u5668NVDA\u7684\u7528\u6237\u6700\u6709\u53ef\u80fd\u4f7f\u7528FireFox\uff0c\u5c0f\u5c0f\u5efa\u8bae\u3002\u544a\u8bc9\u4f60\u4e00\u4e2a\u4f1a\u8ba9\u4f60\u6389\u773c\u6cea\u7684\u771f\u76f8\uff0cweb\u5f00\u53d1\u4eba\u5458\u949f\u60c5\u7684Chrome\u6d4f\u89c8\u5668\u53ea\u6709\u5c0f\u90e8\u5206\u76f2\u4eba\u7528\u6237\u4f7f\u7528\u3002<\/p>\n<h3>\u8bef\u533a3\uff1a\u76f2\u4eba\u7528\u6237\u4e0d\u542f\u7528JavaScript<\/h3>\n<p>\u9664\u4e86\u6f14\u5458\uff0c\u8c01\u4f1a\u4e3b\u52a8\u53bb\u7a7f\u7834\u70c2\u7684\u8863\u670d\u5462\uff1f\u6240\u4ee5\uff0c\u53ef\u4ee5\u60f3\u5230\uff0c\u6709\u591a\u5c11\u7528\u6237\u4f1a\u53bb\u7981\u7528JavaScript\uff1f\u4ee5\u524d\u6211\u542c\u8bf410\u4e2a\u4eba\u4e2d\u95f4\u5c31\u67091\u4e2a\uff0c\u4f46\u90a3\u5df2\u7ecf\u5f88\u4e45\u5f88\u4e45\u4e86\uff0c\u56e0\u4e3a\u8fc7\u53bb\u8863\u670d\u7a7f\u5f97\u592a\u597d\u4f1a\u88ab\u5f53\u6210\u53cd\u52a8\u6d3e\u3002\u5982\u4eca\uff0cJavaScript\u4e0d\u4ec5\u662f\u529f\u80fd\u4e0a\u7684\u6709\u7528\uff0c\u800c\u4e14\u8fd8\u662f\u5f88\u591a\u7ad9\u70b9\u7cbe\u81f4\u4f53\u9a8c\u6240\u5fc5\u987b\u7684\u3002\u7531\u4e8e\u76f2\u4eba\u7528\u6237\u4f7f\u7528\u7684\u5c31\u662f\u666e\u901a\u7684\u6d4f\u89c8\u5668\uff0c\u56e0\u6b64\uff0c\u7528\u811a\u8dbe\u5934\u60f3\u60f3\u4e5f\u77e5\u9053\uff0c\u5176\u6d4f\u89c8\u5668\u7684JavaScript\u4e5f\u662f\u542f\u7528\u7684\u3002\u56e0\u6b64\uff0c\u4f7f\u7528JavaScript\u589e\u5f3a\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u7684\u53ef\u8bbf\u95ee\u6027\u662f\u5b8c\u5168\u53ef\u884c\u7684\uff0c\u6bd4\u65b9\u8bf4\u901a\u8fc7<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2277\">ARIA<\/a>\u7684<code>role<\/code>\u52a0\u5f3a\u952e\u76d8\u5bfc\u822a<sup>\u2463<\/sup>\u3002<\/p>\n<div style=\"color:#999;\">\u8bd1\u8005\u8865\u5145\u6ce8\u91ca\uff1a<br \/>\u2463 \u6dd8\u5b9d\u7684kissy\u5e93\u4e2dUI\u6a21\u5757\u90e8\u5206\u7684\u4ea4\u4e92\u5c31\u589e\u52a0\u4e86\u5bf9aria\u7684\u652f\u6301\uff0cjQuery Mobile\u4e5f\u662f\u3002<\/div>\n<h3>\u8bef\u533a4\uff1a\u52a8\u6001\u52a0\u8f7d\u5185\u5bb9\u6709\u788d\u53ef\u8bbf\u95ee\u6027<\/h3>\n<p>\u5f88\u591a\u7f51\u7ad9\uff08\u5982\u773c\u775b\u5fae\u535a\u3001\u4f01\u9e45\u5fae\u535a\uff09\u53ef\u4ee5\u52a8\u6001\u52a0\u8f7d\u5185\u5bb9\uff0c\u4f8b\u5982\uff0c\u5f53\u9875\u9762\u6eda\u52a8\u5230\u5e95\u90e8\u65f6\u5019\uff0c\u4f1a\u52a8\u6001\u52a0\u8f7d\u65b0\u7684\u7684\u5fae\u535a\uff0c\u800c\u4e0d\u9700\u8981\u70b9\u51fb\u201c\u66f4\u591a\u201d\u3002<br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201303\/2013-03-06_171838.png\" width=\"513\" height=\"256\" alt=\"\u65b0\u6d6a\u5fae\u535a\u52a8\u6001\u52a0\u8f7d \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" style=\"margin:10px 0; padding:5px; background-color:#f0f3f9;\" \/><br \/>\u6211\u539f\u672c\u4ee5\u4e3a\u8fd9\u5bf9\u4e8e\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u800c\u8a00\u662f\u573a\u5669\u68a6\uff0c\u4f46\u662f\u6211\u542c\u5230\u5f88\u591a\u76f2\u4eba\u7528\u6237\u8bf4\uff1a\u201c\u8fd9\u662f\u6700\u597d\u7684\u5206\u9875\uff01\u201d\u5f53\u7136\uff0c\u5728\u6717\u8bfb\u9875\u9762\u7684\u65f6\u5019\uff0c\u8fd9\u4f1a\u9020\u6210\u4e00\u4e2a\u5c34\u5c2c\u7684\u505c\u987f\uff0c\u4f46\uff0c\u8fd9\u8981\u6bd4\u7ffb\u5230\u7b2c\u4e8c\u9875\uff0c\u518d\u91cd\u65b0\u6d4f\u89c8\u6807\u9898\u548c\u83dc\u5355\u5185\u5bb9\u597d\u591a\u4e86\u3002<\/p>\n<p>\u8fd9\u4ecd\u7136\u662f\u4e2a\u70ed\u95e8\u8bdd\u9898\u3002\u6211\u4e5f\u9047\u5230\u8fc7\u76f2\u4eba\u5bf9\u52a8\u6001\u52a0\u8f7d\u5f88\u706b\u5927\u7684\u60c5\u51b5\uff0c\u52a8\u6001\u52a0\u8f7d\u53ef\u80fd\u5e76\u4e0d\u4f7f\u7528\u6240\u6709\u7684\u573a\u5408\uff0c\u6211\u7684\u5efa\u8bae\u662f\u4e0d\u8981\u8ba4\u5b9a\u5176\u65e0\u6cd5\u8bbf\u95ee\uff1b\u5982\u679c\u4f60\u7684\u7ad9\u70b9\u8981\u52a8\u6001\u52a0\u8f7d\u5185\u5bb9\uff0c\u5148\u627e\u4e2a\u76f2\u4eba\u6d4b\u8bd5\u4e0b\u3002<\/p>\n<h3>\u8bef\u533a5\uff1a\u76f2\u4eba\u7528\u6237\u628aCSS\u7ed9\u9609\u6389\u4e86<\/h3>\n<p>\u4e0a\u9762\u5df2\u7ecf\u786e\u8ba4\u4e86\u76f2\u4eba\u7528\u6237\u8ddf\u6211\u4eec\u4f7f\u7528\u4e00\u6837\u7684\u6d4f\u89c8\u5668\uff0c\u6240\u4ee5\uff0c\u7981\u7528CSS\u8fd9\u79cd\u8bf4\u6cd5\u663e\u7136\u662f\u8c2c\u8bba\u3002\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0cCSS\u4f1a\u5f71\u54cd\u5c4f\u5e55\u9605\u8bfb\u5668\u7684\u4fe1\u606f\u8bfb\u53d6\u3002\u4f8b\u5982\uff0c\u8bbe\u7f6e\u4e86<code>display:none<\/code>\u7684\u5143\u7d20\u662f\u4e0d\u4f1a\u88ab\u5c4f\u5e55\u9605\u8bfb\u5668\u8bfb\u53d6\u7684\u3002\u6709\u4eba\u81ea\u4f5c\u806a\u660e\uff0c\u5728\u9875\u9762\u9876\u90e8\u653e\u4e86\u4e2a\u201c\u76f4\u63a5\u8bbf\u95ee\u4e3b\u4f53\u5185\u5bb9\u201d\u7684\u94fe\u63a5\uff0c\u4f7f\u7528\u4e86<code>display:none<\/code>\u5bf9\u773c\u775b\u6d4f\u89c8\u7684\u7528\u6237\u9690\u85cf\uff0c\u6b8a\u4e0d\u77e5\u5c4f\u5e55\u9605\u8bfb\u5668\u6839\u672c\u5c31\u4e0d\u9e1f\u6574\u4e2a\u9690\u85cf\u7684\u94fe\u63a5<sup>\u2464<\/sup>\u3002<\/p>\n<div style=\"color:#999;\">\u8bd1\u8005\u8865\u5145\u6ce8\u91ca\uff1a<br \/>\u2464 \u6839\u636e\u6d4b\u8bd5\uff0c\u4e0d\u4ec5<code>display:none<\/code>\u5c4f\u5e55\u9605\u8bfb\u5668\u4e0d\u5c51\u4e00\u987e\uff0c<code>visibility:hidden<\/code>\u540c\u6837\u88ab\u9119\u89c6\uff1b\u5177\u4f53\u770b\u53c2\u89c1\u6211\u4e4b\u524d\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1528\">\u53ef\u7528\u6027\u9690\u85cf<\/a>\u201d\u76f8\u5173\u5185\u5bb9\u3002<\/div>\n<h3>\u8bef\u533a6\uff1a\u6240\u6709\u56fe\u7247\u9700\u8981alt\u6587\u672c<\/h3>\n<p>\u9996\u5148\uff0c\u610f\u8bc6\u5230\u56fe\u7247<code>&lt;img&gt;<\/code>\u9700\u8981\u6709<code>alt<\/code>\u503c\u6765\u589e\u52a0\u53ef\u8bbf\u95ee\u6027\u662f\u5f88\u597d\u7684\uff0c\u7136\u800c\uff0c\u5e76\u975e\u6240\u6709\u7684\u56fe\u7247\u90fd\u9700\u8981\u6dfb\u52a0<code>alt<\/code>\u6587\u672c\uff0c\u4f8b\u5982\u4e00\u4e9b\u88c5\u9970\u6027\u7684\u56fe\u7247\u5143\u7d20\uff0c\u8bbe\u7f6e<code>alt<\/code>\u5185\u5bb9\u53cd\u800c\u4f1a\u8ba9\u76f2\u4eba\u7528\u6237\u6df7\u4e71\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f60\u4e0d\u9700\u8981<code>alt<\/code>\u5c5e\u6027\u3002OK\uff0c\u5982\u679c\u4f60\u6709\u5f3a\u8feb\u75c7\uff0c\u6ca1\u6709<code>alt<\/code>\u5c31\u89c9\u5f97\u8fd9\u6bb5HTML\u4e0d\u5b8c\u6574\uff0c\u5fc3\u91cc\u522b\u626d <img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/1.gif\" align=\"absmiddle\">\uff0c\u4f7f\u7528\u7a7a\u767d\u5427\uff0c\u5373<code>alt=\"\"<\/code>.<\/p>\n<h3>\u8bef\u533a7\uff1a\u6240\u6709\u5143\u7d20\u90fd\u9700\u8981Tab\u7d22\u5f15<\/h3>\n<p>\u54e5\u4eec\uff0c\u8fd9\u662f\u7978\u6c34\uff0c\u79bb\u5979\u8fdc\u70b9\uff01Tab\u7d22\u5f15\u7684\u76ee\u7684\u662f\u89e3\u51b3\u5c4f\u5e55\u9605\u8bfb\u5668\u8bfb\u53d6\u5185\u5bb9\u7684\u987a\u5e8f\u95ee\u9898\uff0c\u4f8b\u5982\u6709\u4eba\u628a\u201c\u5fd8\u8bb0\u5bc6\u7801\u201d\u7684\u94fe\u63a5\u653e\u5728\u5bc6\u7801\u6846\u540e\u9762\uff0c\u5bfc\u81f4\u5bc6\u7801\u8f93\u5165\u5b8c\u6bd5\u540e\uff0ctab\u7d22\u5f15\u7684\u65f6\u5019\uff0c\u4e0d\u662f\u5728\u63d0\u4ea4\u6309\u94ae\u4e0a\uff0c\u800c\u662f\u201c\u5fd8\u8bb0\u5bc6\u7801\u201d\u94fe\u63a5\u4e0a\uff0c\u6b64\u65f6\uff0c\u5c31\u9700\u8981\u501f\u52a9<code>tabindex<\/code>\u786e\u5b9a\u66f4\u597d\u7684\u9605\u8bfb\u987a\u5e8f\uff08\u5728WCAG 2.0\u4e2d\u8fd9\u5b9e\u9645\u4e0a\u88ab\u79f0\u4e3a\u201c\u7126\u70b9\u987a\u5e8f\u201d\uff09\u3002\u7136\u800c\uff0c\u5728\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c<code>tabindex<\/code>\u53ea\u4f1a\u662f\u4e8b\u60c5\u53d8\u5f97\u66f4\u52a0\u6df7\u4e71\uff0c\u4f1a\u8ba9\u7528\u6237\u8d70\u975e\u6b63\u5e38\u903b\u8f91\u2014\u2014\u6211\u8ff7\u8def\u5566\uff01\uff01<br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201303\/milu.jpg\" width=\"337\" height=\"232\" style=\"margin:10px 0 0; padding:5px; background-color:#f0f3f9;\" \/><\/p>\n<p>\u4e0a\u5468\uff0c\u6211\u60f3\u5728\u4e00\u4e2a\u535a\u5ba2\u4e0a\u7684\u8bc4\u8bba\u6846\u91cc\u7559\u4e0b\u8db3\u8ff9\uff0c\u5728tab\u952e\u7d22\u5f15\u6bcf\u4e2a\u6587\u672c\u6846\uff0c\u53d1\u73b0\u8f93\u5165\u9a8c\u8bc1\u7801\u7684\u90a3\u4e2a\u6846\u6846\u5982\u8bba\u5982\u4f55\u90fd\u4e0d\u80fd\u88abfocus. \u6211\u7528Chrome\u5de5\u5177\u4e00\u770b\uff0c\u5976\u5976\u7684\uff0c\u539f\u6765\u6bcf\u4e2a\u6846\u6846\u90fd\u8bbe\u7f6e\u4e86<code>tabindex<\/code>, \u552f\u72ec\u8fd9\u4e2a\u9a8c\u8bc1\u7801\u88ab\u9119\u89c6\u4e86\u3002\u8fd9\u4f7f\u5f97\u4f7f\u7528\u952e\u76d8\u63d0\u4ea4\u8bc4\u8bba\u56f0\u96be\u91cd\u91cd\u3002\u6539\u53d8\u7126\u70b9\u987a\u5e8f\u5f80\u5f80\u9020\u6210\u7684\u95ee\u9898\u8981\u591a\u4e8e\u4fee\u590d\u7684\uff0c\u628a\u4f60\u7684\u5185\u5bb9\u987a\u5e8f\u5b89\u6392\u5408\u7406\u4e9b\uff0c\u7136\u540e\u8ddf<code>tabindex<\/code>\u8bf4\u201c\u8d5b\u6709\u62c9\u62c9\u201d\uff0c\u997f~~\u8c8c\u4f3c\u4e0d\u61c2\u65e5\u6587\uff0c\u5e94\u8be5\u8bf4&#8221;\u53e4\u5fb7\u62dc&#8221;\u3002\u6bd4\u65b9\u8bf4\u4e0a\u9762\u90a3\u4e2a\u201c\u5fd8\u8bb0\u5bc6\u7801\u201d\uff0c\u5e94\u8be5\u653e\u5728\u63d0\u4ea4\u6309\u94ae\u7684\u4e0b\u9762\u6216\u540e\u9762\uff0c\u6216\u662f\u6709CSS\u5b9a\u4f4d\u5230\u6587\u672c\u6846\u540e\u9762\uff0c\u800c\u4e0d\u80fd\u76f4\u63a5\u8ddf\u5728\u5bc6\u7801\u6846\u540e\u9762\uff0c\u4ee3\u7801\u793a\u610f\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre><del>&lt;input type=\"password\" \/>&lt;a href=\"#\">\u5fd8\u8bb0\u5bc6\u7801&lt;\/a>\n&lt;input type=\"submit\" \/><\/del>\n\n&lt;input type=\"password\" \/>\n&lt;input type=\"submit\" \/>&lt;a href=\"#\">\u5fd8\u8bb0\u5bc6\u7801&lt;\/a><\/pre>\n<\/div>\n<h3>\u8bef\u533a8\uff1a\u76f2\u4eba\u7528\u6237\u4f7f\u7528\u89d2\u8272\u6807\u793a\u548cHTML5\u7ed3\u6784\u5143\u7d20\u6d4f\u89c8<\/h3>\n<p>\u4f60\u5e94\u8be5\u5df2\u7ecf\u89c1\u8fc7\u65b0\u7684HTML5\u5143\u7d20\u5982<code>&lt;aside&gt;<\/code>\u548c<code>&lt;nav&gt;<\/code>, \u53ef\u4ee5\u8ba9\u6211\u4eec\u7684\u9875\u9762\u5185\u5bb9\u66f4\u5177\u6709\u8bed\u4e49\uff0c\u540c\u6837\u7684\uff0cARIA\u4e2d\u7684\u89d2\u8272\u6807\u793a\uff0c\u5982\u7ed9\u5143\u7d20\u6dfb\u52a0<code>role=\"main\"<\/code>\u548c<code>role=\"navigation\"<\/code>\u6765\u8868\u660e\u5143\u7d20\u7684\u76ee\u7684\u3002\u4f7f\u9875\u9762\u66f4\u5bb9\u6613\u6d4f\u89c8\u4efb\u91cd\u9053\u8fdc\uff0c\u4f7f\u7528\u8fd9\u4e9b\u65b0\u6280\u672f\u4e5f\u662f\u4efb\u91cd\u9053\u8fdc\u3002<\/p>\n<p><a href=\"http:\/\/webaim.org\/projects\/screenreadersurvey4\/#landmarks\">WebAIM\u7684\u8c03\u67e5<\/a>\u663e\u793a\uff0c\u8fd135%\u7684\u76f2\u4eba\u5f88\u5c11\u6216\u4ece\u4e0d\u4f7f\u7528\u89d2\u8272\u6807\u793a\u3002\u8fd9\u4e2a\u767e\u5206\u6bd4\u8fd8\u51d1\u5408\uff0c\u4f46\u662f\uff0c\u5f53\u5c4f\u5e55\u9605\u8bfb\u5668\u548c\u6d4f\u89c8\u5668\u4e00\u8d77\u641e\u57fa\u7684\u65f6\u5019\uff0c\u4e8b\u60c5\u5c31\u6709\u6240\u4e0d\u540c\u4e86\u3002\u5e76\u975e\u6240\u6709\u7684\u7f51\u7ad9\u90fd\u4f7f\u7528\u89d2\u8272\u6807\u793a\uff0c\u56e0\u6b64\uff0c\u89d2\u8272\u6807\u793a\u5e76\u4e0d\u662f\u4e00\u4e2a\u53ef\u9760\u7684\u65b9\u6cd5\u3002\u5927\u90e8\u5206\u7684\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u4f7f\u7528\u9875\u9762\u6807\u9898\u8fdb\u884c\u5bfc\u822a\uff08\u800c\u4e0d\u662fHTML\u672c\u8eab\uff09\uff0c\u4f7f\u7528\u952e\u76d8\u5feb\u6377\u952e\uff0c\u4ece\u4e00\u4e2a\u8df3\u5230\u53e6\u5916\u4e00\u4e2a\u3002<\/p>\n<p>\u6211\u81ea\u5df1\u4ee5\u8eab\u8bd5\u6c34\uff0c\u53d1\u73b0\uff0c\u8df3\u8fc7\u4e00\u4e2a\u4e00\u4e2a\u91cd\u8981\u7684\u7247\u6bb5\u5185\u5bb9\u662f\u5f88\u5bb9\u6613\u53d1\u751f\u7684\uff0c\u5c24\u5176\u5f53\u7f51\u7ad9\u5236\u4f5c\u4eba\u5458\u6ca1\u6709\u6b63\u786e\u4f7f\u7528\u6807\u9898\u7684\u65f6\u5019\u3002\u8fd9\u662f\u4e2a\u503c\u5f97\u5546\u69b7\u7684\u8bef\u533a\u3002\u5728\u672a\u6765\uff0c\u6211\u76f8\u4fe1\u76f2\u4eba\u7528\u6237\u4f1a\u66f4\u591a\u5730\u4f7f\u7528\u7ed3\u6784\u5143\u7d20\u548cARIA\u89d2\u8272\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u8ba9\u5bfc\u822a\u66f4\u53ef\u9760\u3002\u4f46\u662f\uff0c\u8981\u8bb0\u4f4f\u7684\u662f\uff0c\u8fd9\u4e0d\u662f\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u6d4f\u89c8\u7684\u552f\u4e00\u65b9\u5f0f\u3002<\/p>\n<h3>\u5c0f\u7ed3<\/h3>\n<p>\u8ddf\u8bb8\u591a\u5176\u4ed6\u4eba\u4e00\u6837\uff0c\u6211\u4e5f\u662f\u8fb9\u5e72\u8fb9\u5b66<img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/30.gif\" 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