{"id":5705,"date":"2016-10-25T23:16:34","date_gmt":"2016-10-25T15:16:34","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5705"},"modified":"2016-10-26T13:10:19","modified_gmt":"2016-10-26T05:10:19","slug":"browser-css-property-down-compatible-hack-technology","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2016\/10\/browser-css-property-down-compatible-hack-technology\/","title":{"rendered":"\u5de7\u7528\u6d4f\u89c8\u5668CSS\u5c5e\u6027\u503c\u7684\u4e0d\u517c\u5bb9\u5411\u4e0b\u517c\u5bb9hack\u6280\u5de7"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com\/wordpress\/?p=5705<\/a>
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\u4e00\u3001\u8d8a\u6765\u8d8a\u5fd9\uff0c\u5e9f\u8bdd\u5c31\u4e0d\u591a\u8bf4\u4e86<\/h3>\n

\u8d8a\u6765\u8d8a\u5fd9\uff0c\u5e9f\u8bdd\u5c31\u4e0d\u591a\u8bf4\u4e86\uff0c\u5c31\u5c11\u8bf4\u4e00\u70b9\uff0c\u6700\u8fd1\u4e2a\u628a\u6708\u6536\u5230\u4e86\u5f88\u591a\u504f\u4f53\u9a8c\u65b9\u5411\u7684\u7b80\u5386\uff0c\u67092\u4e2a\u70b9\u60f3\u69fd\u4e00\u4e0b\uff1a<\/p>\n

    \n
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  2. \u9ad8\u5c4b\u5efa\u74f4\u7684\u4e1c\u897f\u592a\u591a<\/strong>\n

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    \u9605\u6587\u8fd9\u6b21\u793e\u62db<\/a>\u4e0d\u662f\u62db\u4e00\u4e2a\u7eaf\u7cb9\u5e72\u6d3b\u7684\uff0c\u800c\u662f\u53ef\u4ee5\u63d0\u5347\uff08\u6216\u8005\u5728\u672a\u6765\u63d0\u5347\uff09\u6574\u4e2a\u56e2\u961f\u6587\u5316\uff0c\u6280\u672f\uff0c\u5f71\u54cd\u529b\u7684\u5c0f\u4f19\u4f34\uff1b\u9700\u8981\u7684\u4e0d\u662f\u4f7f\u7528\u578b\u524d\u7aef\uff0c\u800c\u662f\u521b\u9020\u578b\u524d\u7aef\uff0c\u770b\u91cd\u57fa\u7840\uff0c\u800c\u975e\u4e0a\u5c42\u3002\u5c24\u5176\u90a3\u4e9b\u5de5\u4f5c\u7ecf\u9a8c\u4e0d\u662f\u5f88\u591a\u7684\u5c0f\u4f19\u4f34\uff0c\u4e0e\u5176\u6446\u5f88\u591a\u9ad8\u5c4b\u5efa\u74f4\u8fc7\u51e0\u5e74\u65e0\u4eba\u95ee\u6d25\u7684\u4e1c\u897f\uff0c\u8fd8\u4e0d\u5982\u597d\u597d\u5c55\u73b0\u81ea\u5df1\u7684\u624e\u5b9e\u7684\u6280\u672f\u57fa\u7840\uff0c\u8bed\u8a00\u672c\u8eab\u7684\u5e7f\u5ea6\u4e0e\u6df1\u5ea6\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u597d\u4e86\uff0c\u5e9f\u8bdd\u5c31\u8bf4\u8fd9\u4e48\u70b9\uff0c\u56de\u5230\u672c\u6587\u4e3b\u4f53\u3002<\/p>\n

    \u4e8c\u3001\u5de7\u7528\u6d4f\u89c8\u5668CSS\u5c5e\u6027\u503c\u5b9e\u73b0\u5411\u4e0b\u517c\u5bb9<\/h3>\n

    CSS3\u4e2d\u6709\u5f88\u591a\u597d\u7684\u7279\u6027\uff0c\u4f8b\u5982box-shadow<\/code>\u76d2\u9634\u5f71<\/a>\uff0c\u4f46\u662f\uff0c\u552f\u4e00\u7684\u95ee\u9898\u662fIE8\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\uff0c\u5982\u679c\u662f\u5bf9\u5916\u7684PC\u7ad9\u70b9\uff0c\u5219IE8\u6d4f\u89c8\u5668\u4e0d\u53ef\u4e0d\u987e\uff0c\u5c24\u5176\u4e00\u4e9b\u53d7\u4f17\u5e7f\u6cdb\u7684\u7f51\u7ad9\u3002<\/p>\n

    \u600e\u4e48\u529e\u5462\uff1f\u6211\u7684\u505a\u6cd5\u5f80\u5f80\u662f\u8fd9\u6837\uff0cIE9+\u6d4f\u89c8\u5668\u4f7f\u7528box-shadow<\/code>\u9634\u5f71\uff0c\u800cIE7\uff0cIE8\u6d4f\u89c8\u5668\u4f7f\u7528border<\/code>\u7ebf\u6846\u3002<\/p>\n

    \u4f8b\u5982\u4e0b\u9762\u622a\u56fe\u6548\u679c\uff1a
    \n\"\u73b0\u4ee3\u6d4f\u89c8\u5668\u4f7f\u7528\u76d2\u9634\u5f71\" \"IE8\u4f7f\u7528\u8fb9\u6846\"<\/p>\n

    \u4e5f\u5c31\u662f\u9488\u5bf9\u4e0d\u540c\u6d4f\u89c8\u5668\u91c7\u53d6\u4e0d\u540c\u7684\u7b56\u7565\uff0c\u6211\u4eec\u4e00\u822c\u6700\u5148\u7684\u53cd\u5e94\u662f\u91c7\u7528\u4e00\u4e9bCSS hack\u6280\u5de7\uff0c\u4f8b\u5982\uff0c\u6211\u4eec\u8fd9\u91cc\uff0c\u5c31\u662f\u8981\u533a\u5206IE9+\u6d4f\u89c8\u5668\u548cIE8-\u6d4f\u89c8\u5668\uff0c\u8fd9\u4e2a\u5176\u5b9e\u4e0d\u96be\uff0c\u53ef\u4ee5\u4f7f\u7528:root<\/code>\u4f2a\u7c7b\uff0c\u5728IE9+\u6d4f\u89c8\u5668\u4e2d\uff0c:root<\/code>\u5b9e\u9645\u4e0a\u7b49\u540c\u4e8ehtml<\/code>\uff0c\u4e8e\u662f\uff0c\u6211\u4eec\u90fd\u4f1a\u8fd9\u4e48\u505a\uff1a<\/p>\n

    .box {\n    border: 1px solid #ddd;\n}\n:root box {\n    border: 0 none;\n    box-shadow: 0 1px 3px rgba(0,0,0,.25);\n}<\/pre>\n
    \u4ece\u529f\u80fd\u4e0a\u6ee1\u8db3\u4e86\u6211\u4eec\u7684\u5f00\u53d1\u9700\u6c42\uff0c\u5927\u591a\u6570\u5c0f\u4f19\u4f34\u6b64\u65f6\u5c31\u4f1a\u5230\u6b64\u4e3a\u6b62\u3002\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u505a\u7684\u66f4\u597d\u3002<\/p>\n
    \u4e0a\u9762\u8fd9\u79cdCSS hack\u6280\u5de7\u6709\u4e00\u4e2a\u6bd4\u8f83\u5927\u7684\u95ee\u9898\uff0c\u5c31\u662f\uff0c\u5f53\u6211\u4eec\u7ed9IE9+\u6d4f\u89c8\u5668\u4f7f\u7528\u4e0d\u540c\u7684CSS\u58f0\u660e\u7684\u65f6\u5019\uff0c\u4e0d\u7ecf\u610f\u95f4\uff0c\u628a\u8fd9\u4e9bCSS\u58f0\u660e\u7684\u6743\u91cd\u7ed9\u63d0\u9ad8\u4e86\u3002\u8fd9\u5f88\u5bb9\u6613\u589e\u52a0\u6211\u4eecCSS\u4ee3\u7801\u7684\u590d\u6742\u5ea6\uff0c\u4f8b\u5982\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u540e\u9762\u6837\u5f0f\u9700\u8981\u8986\u76d6\u524d\u9762\u7684\uff0c\u7531\u4e8e:root .box<\/code>\u63d0\u9ad8\u4e86\u6743\u91cd\uff0c\u6211\u4eec\u540e\u9762\u6837\u5f0f\u60f3\u8981\u8986\u76d6\uff0c\u5219\u9700\u8981\u66f4\u5927\u7684\u6743\u91cd\u53bb\u5904\u7406\uff0c\u663e\u7136\uff0c\u4ee3\u7801\u5c31\u663e\u5f97\u5570\u55e6\u4e86\u3002<\/p>\n
    \u5176\u5b9e\u6211\u4eec\u6709\u5f88\u597d\u7684\u517c\u5bb9\u533a\u5206\u7b56\u7565\uff0c\u90a3\u5c31\u662f\u5145\u5206\u5229\u7528\u6d4f\u89c8\u5668\u5bf9CSS\u5c5e\u6027\u672c\u8eab\u7684\u652f\u6301\u60c5\u51b5\u6765\u5b9e\u73b0\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u533a\u5206\uff0c\u800c\u4e0d\u662f\u4f20\u7edf\u7684\u901a\u8fc7\u9009\u62e9\u5668\u6216\u8005\u4e00\u4e9b\u67e5\u8be2\u8bed\u53e5\u3002<\/p>\n
    \u5c31\u62ff\u6211\u4eec\u8fd9\u91cc\u7684\u76d2\u9634\u5f71\u548c\u8fb9\u6846\u4f8b\u5b50\u4e3e\u4f8b\uff0c\u5982\u679c\u6211\u6765\u5b9e\u73b0\uff0c\u5219\u4f1a\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
    .box {\n    box-shadow: 0 1px 3px rgba(0,0,0,.25);\n    border: 1px solid #d0d0d5;\n    border: 0 rgba(0,0,0,.2);\n}<\/pre>\n
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    \u7531\u4e8eIE8\u6d4f\u89c8\u5668\u4e0d\u8ba4\u8bc6rgba<\/code>\u989c\u8272\u8868\u793a\uff0c\u56e0\u6b64\uff0c\u5728IE8\u773c\u4e2d\uff0c\u4e0b\u9762\u8fd9\u79cd\u5199\u6cd5\u5c31\u662f\u4e0d\u5408\u6cd5\u7684\uff0c\u5c31\u4f1a\u88ab\u5ffd\u7565\uff1a<\/p>\n
    border: 0 rgba(0,0,0,.2);<\/del><\/pre>\n
    \u8fd9\u79cd\u5904\u7406\u6280\u5de7\u5c31\u662f\u672c\u6587\u6240\u8981\u8bf4\u7684\uff0c\u5229\u7528\u6d4f\u89c8\u5668\u672c\u8eab\u7684\u4e0d\u517c\u5bb9\u5b9e\u73b0\u6211\u4eec\u7684\u5411\u4e0b\u517c\u5bb9\u6548\u679c\u3002<\/p>\n
    \u91cc\u9762\u7684\u4f8b\u5b50\uff0c\u7406\u8bba\u4e0a\uff0c\u76f4\u63a5\u4f7f\u7528rgba(0,0,0,0)<\/code>\u4e5f\u662f\u53ef\u4ee5\u5b9e\u73b0\u6211\u4eec\u7684\u6548\u679c\u7684\uff0c\u5c11\u4e861\u4e2a\u5b57\u7b26\uff0c\u672c\u6765\u633a\u597d\u3002\u4f46\u662f\uff0c\u5982\u679c\u4f60\u5728Sass\u4e2d\u5199\u51faborder: 0 rgba(0,0,0,0);<\/code>\uff0c\u5219\u4f1a\u88abSass\u81ea\u4ee5\u4e3a\u662f\u5730\u7f16\u8bd1\u6210border: 0 transparent<\/code>\uff0c\u6211\u9760\uff0c\u8fd9\u4e2a\u53ef\u5c31\u5dee\u4e86\u5341\u4e07\u516b\u5343\u91cc\u4e86\uff0c\u867d\u7136\u770b\u8868\u73b0rgba(0,0,0,0)<\/code>\u548ctransparent<\/code>\u662f\u4e00\u4e2a\u4e1c\u897f\uff0c\u90fd\u662f\u900f\u660e\uff0c\u4f46\u662f\uff0c\u5bf9\u4e8eborder<\/code>\u5c5e\u6027\u800c\u8a00\uff0crgba(0,0,0,0)<\/code> IE9+\u6d4f\u89c8\u5668\u624d\u80fd\u8bc6\u522b\uff0ctransparent<\/code>\u4eceIE7\u6d4f\u89c8\u5668\u5c31\u5f00\u59cb\u8bc6\u522b\u4e86\u3002\u4e8e\u662f\u4e4e\uff0cIE7\uff0cIE8\u6d4f\u89c8\u5668\u4e0b\uff0c\u672c\u8981\u51fa\u73b0\u7684\u8fb9\u6846\u5c31\u8fd9\u6837\u76f4\u63a5\u88ab\u5e72\u6389\u4e86\uff0c\u59a5\u59a5\u7684bug\u554a\uff01\u4e3a\u4e86\u89c4\u907f\u8fd9\u4e2a\u8ba9\u4eba\u65e0\u8bed\u7684\u95ee\u9898\uff0c\u8fd9\u624d\u4f7f\u7528\u4e86rgba(0,0,0,.2)<\/code>\u3002<\/p>\n
    \u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u6709demo\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aCSS \u76d2\u9634\u5f71\u4e0e\u8fb9\u6846\u5411\u4e0b\u517c\u5bb9demo<\/a><\/p>\n
    \u5229\u7528\u7c7b\u4f3c\u5c5e\u6027\u503c\u517c\u5bb9\u6027\u5b9e\u73b0\u5411\u4e0b\u517c\u5bb9\u7684\u4f8b\u5b50\u8fd8\u6709\u5f88\u591a\u3002<\/p>\n
    \u6240\u6709\u6570\u503c\u76f8\u5173\u7684\u517c\u5bb9\u8bd5\u8bd5CSS3 calc()<\/strong>
    \n\u6bd4\u65b9\u8bf4\uff0c\u4e0a\u9762IE9+\u53bb\u8fb9\u6846\u7684\u4f8b\u5b50\uff0c\u8fd8\u53ef\u4ee5\u8bd5\u8bd5\u8fd9\u6837\uff1a<\/p>\n
    .box {\n    box-shadow: 0 1px 3px rgba(0,0,0,.25);\n    border: 1px solid #d0d0d5;\n    border: calc(0px + 0px) #000;\n}<\/pre>\n
    \u56e0\u4e3aCSS3 calc()<\/code>\u8ba1\u7b97IE9+\u6d4f\u89c8\u5668\u624d\u5f00\u59cb\u652f\u6301\u3002<\/p>\n
    \u80cc\u666f\u56fe\u53ef\u662f\u8bd5\u8bd5background\u591a\u80cc\u666f<\/strong>
    \n\u8fd9\u79cd\u80cc\u666f\u56fe\u517c\u5bb9\u5904\u7406\u5176\u5b9e\u975e\u5e38\u5e38\u89c1\uff0c\u5c24\u5176\u4f60\u662f\u4e00\u4e2a\u559c\u6b22SVG\u7684\u5c0f\u4f19\u4f34\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528SVG\u56fe\u5f62\u4f5c\u4e3a\u80cc\u666f\uff0c\u8fd9\u6837retina\u663e\u793a\u5c4f\u4e0b\u6548\u679c\u5c31\u8e6d\u8e6d\u8e6d\u7684\u597d\uff0c\u4f46\u662f\uff0cSVG\u6709\u4e2a\u95ee\u9898\uff0c\u5c31\u662fIE8\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\uff0c\u600e\u4e48\u529e\uff1fIE8\u6d4f\u89c8\u5668\u5c31\u4f7f\u7528\u4f20\u7edf\u7684\u56fe\u7247\uff0c\u5e76\u4e14\u53ea\u9700\u89811\u500d\u56fe\u5c31\u53ef\u4ee5\uff0c\u5bf9\u53ea\u9700\u89811\u500d\u56fe\uff0c\u56e0\u4e3a\uff0c\u6211\u76f8\u4fe1\uff0c\u8fd9\u4e2a\u4e16\u754c\u662f\u4e0d\u5b58\u5728\u54ea\u4e2a\u7528\u6237\u7684\u8bbe\u5907\u662fretina\u5c4f\u5e55\uff0c\u4f46\u8fd8\u4f7f\u7528IE8\u6d4f\u89c8\u5668\u4e0a\u7f51\u7684\u3002<\/p>\n
    \u4e0b\u9762\u5c31\u6709\u4e2aIE8\u6d4f\u89c8\u5668\u5411\u4e0b\u517c\u5bb9\u4f7f\u7528\u56fe\u7247\u7684\u5904\u7406\u95ee\u9898\u4e86\uff0c\u5927\u5bb6\u90fd\u662f\u80cc\u666f\u56fe\u7247\uff0c\u8be5\u600e\u4e48\u5904\u7406\u5462\uff1f\u597d\u82e6\u607c~~<\/p>\n
    \u54c8\u54c8\uff0c\u4e0d\u8981\u82e6\u607c\uff0cbackground<\/code>\u5c5e\u6027\u867d\u7136\u90fd\u652f\u6301\uff0c\u4f46\u662f\uff0cbackground<\/code>\u7684\u5c5e\u6027\u503c\u548c\u4e00\u4e9b\u8bed\u6cd5\u5e76\u4e0d\u662f\u6240\u6709\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u7684\u54e6\uff0c\u6bd4\u65b9\u8bf4\u591a\u80cc\u666f\u5c31\u662fIE9\u6d4f\u89c8\u5668\u624d\u5f00\u59cb\u652f\u6301\u7684\uff0c\u4e8e\u662f\u4e4e\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u4e48\u5904\u7406\uff1a<\/p>\n
    .box {\n    background: url(test.png);         \/* IE8 *\/<\/span>\n    background: url(test.svg), none;   \/* IE9+ *\/<\/span>\n}<\/pre>\n
    \u57fa\u672c\u4e0a\uff0c\u4ee5\u4e0a3\u4e2a\u5c5e\u6027\u503c\u517c\u5bb9\u5904\u7406\u5c31\u80fd\u6ee1\u8db3\u5927\u90e8\u5206\u73b0\u4ee3\u6d4f\u89c8\u5668\u548c\u666e\u901a\u6d4f\u89c8\u5668\u7684\u533a\u5206\u4e86\u3002\u4f46\u662f\uff0c\u4e0a\u9762\u8fd9\u51e0\u4e2a\u4f8b\u5b50\u90fd\u662f\u533a\u5206IE9\u548c\u5176\u4ed6\u4f4e\u7ea7\u6d4f\u89c8\u5668\u7684\uff0c\u6709\u65f6\u5019\uff0c\u6211\u4eec\u5e0c\u671b\u533a\u5206IE10+\u548c\u5176\u4ed6\u6d4f\u89c8\u5668\uff0c\u8be5\u600e\u4e48\u529e\u5462\uff1f\u8981\u77e5\u9053\uff0cIE10+\u7684\u9009\u62e9\u5668hack\u975e\u5e38\u96be\u641e\uff0c\u4f46\u662f\uff0c\u6211\u4eec\u5374\u6709\u4e00\u4e9b\u5c5e\u6027\u503chack\uff0c\u8bf4\u4e0d\u5b9a\u4f1a\u559c\u51fa\u671b\u5916\u7684\u597d\u7528\u3002<\/p>\n
    \u533a\u5206IE10+\u6d4f\u89c8\u5668\u7684\u5c5e\u6027hack\u6280\u5de7<\/strong>
    \n\u901a\u8fc7\u4e00\u4e2a\u7ecf\u5178\u7684\u6848\u4f8b\u8bf4\u660e\u4e0b\uff0c\u5927\u5bb6\u90fd\u77e5\u9053IE10+\u5f00\u59cb\u652f\u6301\u4e86CSS3 animation<\/code>\u52a8\u753b\uff0c\u4e8e\u662f\u4e4e\uff0c\u6211\u4eec\u7f51\u9875\u4e2d\u5e38\u89c1\u7684loading\u6548\u679c\uff0c\u5c31\u53ef\u4ee5\u501f\u52a9CSS3 animation<\/code>\u6765\u5b9e\u73b0\uff0c\u7528\u4e00\u4e2a\u9759\u6001\u7684png\u56fe\u7247\uff0c\u4f7f\u7528CSS3\u4e0d\u505c\u5730\u65cb\u8f6c\uff0c\u6548\u679c\u5373\u8fbe\u6210\uff0c\u4e14\u6548\u679c\u66f4\u7ec6\u817b\uff0c\u4f53\u79ef\u8d85\u5c0f\uff0c\u800c\u4e14\u6ca1\u6709\u767d\u8272\u7684\u952f\u9f7f\uff0c\u53ef\u8c13\u4e0a\u4e0a\u4e4b\u9009\u3002<\/p>\n
    \u4e0b\u56fe\u4e3a\u4f20\u7edfgit\u56fe\u548cpng\u65cb\u8f6c\u56fe\u7684\u5c3a\u5bf8\u5bf9\u6bd4\uff1a
    \n\"gif<\/p>\n
    \u53ef\u4ee5\u770b\u5230\u5927\u5c0f\u5b8c\u5168\u4e0d\u662f\u4e00\u4e2a\u91cf\u7ea7\u7684\u3002<\/p>\n
    CSS3 animation<\/code>\u6548\u679c\u867d\u597d\uff0c\u4f46\u662f\uff0c\u6700\u5927\u7684\u95ee\u9898\u5728\u4e8eIE9\u53ca\u5176\u4ee5\u4e0b\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\u3002\u672c\u7740\u9762\u5411\u672a\u6765\uff0c\u5c3d\u53ef\u80fd\u8ba9\u7528\u6237\u611f\u53d7\u6700\u4f73\u4f53\u9a8c\u7684\u539f\u5219\uff0c\u6211\u4eec\u4f1a\u60f3\u529e\u6cd5\u91c7\u53d6\u5411\u4e0b\u517c\u5bb9\u7684\u5b9e\u73b0\u7b56\u7565\uff0c\u5c31\u662f\u652f\u6301CSS3\u52a8\u753b\u7684\u6d4f\u89c8\u5668CSS3\u5b9e\u73b0loading\u6548\u679c\uff0c\u6d4f\u89c8\u5668\u8981\u662f\u4e0d\u652f\u6301\uff0c\u5219\u8fd8\u4f7f\u7528gif\uff0c\u4e8e\u662f\u4e4e\uff0c\u6280\u672f\u5b9e\u73b0\u7684\u96be\u5ea6\u53d8\u6210\u4e86\u5982\u4f55\u533a\u5206IE9\u548cIE10\u6d4f\u89c8\u5668\u3002<\/p>\n
    \u8981\u533a\u5206IE9\u548cIE8\u90a3\u65b9\u6cd5\u5f88\u591a\uff0c\u56e0\u4e3a\u4eceCSS2\u5230CSS3\u662f\u5de8\u53d8\uff0c\u4f46\u662f\u4eceIE9\u5230IE10\u90a3\u662f\u5fae\u53d8\uff0c\u6240\u4ee5\u96be\u5ea6\u4e0d\u5c0f\u3002CSS\u8fd9\u4e48\u8bed\u8a00\u6709\u8da3\u5c31\u5728\u4e8e\uff0c\u4f60\u53ea\u8981\u8db3\u591f\u673a\u7075\uff0c\u4f60\u603b\u53ef\u4ee5\u6316\u6398\u51fa\u4e00\u4e9b\u5c0f\u800c\u7f8e\u7684\u5904\u7406\u6280\u5de7\u3002<\/p>\n
    \u54ea\u4e9bCSS\u5c5e\u6027IE10\u652f\u6301\uff0cIE9\u4e0d\u652f\u6301\u4e86\uff0c\u9664\u4e86transition<\/code>\u548canimation<\/code>\uff0c\u90a3\u5c31\u662fgradient<\/code>\u80cc\u666f\u6e10\u53d8\u4e86\uff0c\u4e8e\u662f\u4e4e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u501f\u52a9\u591a\u80cc\u666f\uff0c\u5de7\u5999\u5b9e\u73b0\u6211\u4eec\u7684\u517c\u5bb9\u6548\u679c\uff0c\u6838\u5fc3CSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    .box {\n    background: url(loading_blue.gif) no-repeat center;\n    background: url(loading_blue.png) no-repeat center, linear-gradient(to top, transparent, transparent);\n    animation: spin 1s linear infinite;\n}<\/pre>\n
    \u867d\u7136IE9\u652f\u6301\u591a\u80cc\u666f\uff0c\u4f46\u662f\u7531\u4e8e\u4e0d\u8ba4\u8bc6\u6e10\u53d8linear-gradient<\/code>\u8bed\u6cd5\uff0c\u6240\u4ee5\uff0c\u4e0b\u9762\u90a3\u884cbackground:...<\/code> CSS\u4ee3\u7801IE9\u4e0d\u8ba4\u8bc6\uff0c\u4e8e\u662f\uff0cIE9\u5c31\u662f\u8981\u4e86\u4e0a\u9762\u7684loading_blue.gif<\/code>\uff0c\u4ece\u800c\u8f7b\u677e\u5b9e\u73b0CSS3 animation<\/code>\u4e0b\u7684loading\u6548\u679c\u7684\u5411\u4e0b\u517c\u5bb9\u6548\u679c\u3002<\/p>\n
    \u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aCSS png animation\u65cb\u8f6c\u5411\u4e0b\u517c\u5bb9demo<\/a><\/p>\n
    Chrome\u6d4f\u89c8\u5668\u4e0b\u622a\u56fe\uff1a
    \n\"Chrome\u6d4f\u89c8\u5668\u4e0b\u7684loading\u622a\u56fe\"<\/p>\n
    \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0b\u9762\u7684background<\/code>\u53ea\u80fd\u662fbackground<\/code>\uff0c\u867d\u7136\u7406\u8bba\u4e0a\u4f7f\u7528background-image<\/code>\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u662f\u5728IE7, IE8\u6d4f\u89c8\u5668\u4e0b\u9762\uff0cbackground-image<\/code>\u5982\u679c\u662f\u4e2a\u4e0d\u8ba4\u8bc6\u7684\u4e1c\u897f\uff0c\u4ed6\u4eec\u4e0d\u4f1a\u8ba4\u4e3a\u8fd9\u884cCSS\u65e0\u6548\uff0c\u800c\u662f\u8ba4\u4e3a\u4f60\u8fd9\u4e2a\u80cc\u666f\u56fe\u6709\u95ee\u9898\uff0c\u4e8e\u662f\u4f1a\u5bfc\u81f4IE7,IE8\u6d4f\u89c8\u5668\u4e0b\u8fdegif loading\u56fe\u7247\u90fd\u5b9e\u73b0\u4e0d\u51fa\u6765\u3002<\/p>\n
    \u5982\u4f55\u5de7\u5999\u9690\u85cfIE9\u53ca\u5176\u4ee5\u4e0b\u6d4f\u89c8\u5668\u7248\u672c\u4e2d\u7684\u5143\u7d20<\/strong>
    \n\u6700\u8fd1\u9047\u5230\u4e00\u4e2a\u9879\u76ee\uff0c\u8bbe\u8ba1\u5e08\u8bbe\u8ba1\u7684\u4e00\u4e9b\u56fe\u5f62\u6548\u679c\u975e\u5e38\u9002\u5408\u7528CSS3\u7ed8\u5236\uff0c\u5176\u4e2d\u6709\u659c\u7eb9\u8fb9\u6846\u6548\u679c\uff0c\u8fd9\u5c31\u5bfc\u81f4\u53ea\u80fd\u517c\u5bb9\u5230IE10\uff0cIE9\u53ca\u5176\u4ee5\u4e0b\u6d4f\u89c8\u5668\u8fd8\u662f\u56fe\u7247\u3002<\/p>\n
    \"\u9002\u5408\u56fe\u5f62\u7ed8\u5236\u7684\u6548\u679c\u622a\u56fe\"<\/p>\n
    \u8fd9\u4e2a\u4f8b\u5b50\u7684HTML\u8981\u6bd4\u4e0a\u9762\u7684loading\u6848\u4f8b\u8981\u590d\u6742\uff0c\u7531\u4e8e\u56fe\u5f62\u8d1f\u8d23\uff0c\u56e0\u6b64\uff0c\u4f1a\u6709\u5f88\u591a\u7684HTML\u5185\u5bb9\u51fa\u73b0\uff0c\u800c\u5bf9\u4e8eIE9\uff0c\u8fd9\u4e9b\u90fd\u662f\u4e0d\u9700\u8981\u7684\uff0c\u56e0\u4e3a\u80cc\u666f\u56fe\u53ea\u9700\u8981\u4e00\u5c42\u6807\u7b7e\u5373\u53ef\u3002\u6240\u4ee5\uff0c\u8fd9\u91cc\u51fa\u73b0\u4e862\u5904\u9700\u8981\u517c\u5bb9\u5904\u7406\u7684\u5730\u65b9\uff0c\u5176\u4e00\uff0cIE10+\u6ca1\u6709\u80cc\u666f\u56fe\uff1b\u5176\u4e8c\uff0cIE9-\u91cc\u9762\u7684\u5b50\u5143\u7d20\u8981\u5168\u90e8\u6ca1\u6548\u679c\uff0c\u6bd4\u65b9\u8bf4\u9690\u85cf\u3002<\/p>\n
    \u7b2c\u4e00\u4e2a\u517c\u5bb9\u5904\u7406\u597d\u529e\uff0c\u8ddf\u4e0a\u9762\u7684loading\u5904\u7406\u7c7b\u4f3c\uff1a<\/p>\n
    .box {\n    background: url(shape.png);\n    background: linear-gradient(to top, transparent, transparent), none;\n}<\/pre>\n
    \u5173\u952e\u91cc\u9762\u7684\u5143\u7d20\u9690\u85cf\u600e\u4e48\u529e\uff1f\u6709\u4ec0\u4e48\u9690\u85cf\u5c5e\u6027IE10\u8ba4\u8bc6\uff0cIE9\u4e0d\u8ba4\u8bc6\u7684\uff1f\u4e0d\u597d\u610f\u601d\uff0c\u6ca1\u6709\uff0c\u8981\u4e48\u90fd\u8ba4\u8bc6\uff0c\u8981\u4e48\u90fd\u4e0d\u8ba4\u8bc6\u3002\u96be\u9053\u6ca1\u6709\u4ec0\u4e48\u5904\u7406\u65b9\u6cd5\u4e86\u5417\uff1f\u6709\uff01<\/p>\n
    \u6211\u4eec\u5e73\u65f6\u5199CSS3\u5c5e\u6027\u7684\u65f6\u5019\uff0c\u4e60\u60ef\u6027\u4f1a\u52a0\u79c1\u6709\u524d\u7f00\uff0c\u867d\u7136\u73b0\u5728\u5f88\u591a\u5c5e\u6027\u90fd\u4e0d\u9700\u8981\u4e86\uff0c\u6bd4\u65b9\u8bf4\uff1a<\/p>\n
    .box {\n    -webkit-animation: spin 1s linear infinite;\n    animation: spin 1s linear infinite;\n}<\/pre>\n
    \u8fd9\u79cd\u79c1\u6709\u524d\u7f00\u5199\u6cd5\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5229\u7528\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u6027\u7684\u5411\u4e0b\u517c\u5bb9\u7b56\u7565\u3002\u6240\u4ee5\uff0c\u5982\u679c\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u5c5e\u6027\u652f\u6301\u6709\u79c1\u6709\u524d\u7f00\u4e4b\u5206\uff0c\u4e5f\u662f\u53ef\u4ee5\u5229\u7528\u5c5e\u6027\u517c\u5bb9\u6027\u5b9e\u73b0\u5411\u4e0b\u517c\u5bb9\u6548\u679c\u7684\u3002<\/p>\n
    IE9\u548cIE10\u4e4b\u95f4\u9700\u8981\u79c1\u6709\u524d\u7f00\u533a\u5206\u7684CSS\u5c5e\u6027\u5176\u5b9e\u4e3a\u6570\u4e0d\u591a\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662ftransform<\/code>\u5c5e\u6027\uff1a
    \n\"IE9<\/p>\n
    \u4e5f\u5c31\u662fIE9\u6d4f\u89c8\u5668\u4e0b\uff0c\u5982\u679ctransform<\/code>\u4e0d\u52a0\u79c1\u6709\u524d\u7f00\u662f\u4e0d\u8ba4\u8bc6\u7684\u3002\u597d\u4e86\uff0c\u6211\u4eec\u6709\u601d\u8def\u4e86\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528transform<\/code>\u6765\u5b9e\u73b0\u6211\u4eec\u7684\u9690\u85cf\u6548\u679c\u3002<\/p>\n
    \u6838\u5fc3CSS\u5982\u4e0b\uff1a<\/p>\n
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    \u7406\u8bba\u4e0a\uff0c\u4e0a\u9762\u4ee3\u7801\u5c31\u53ef\u4ee5\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\u4e86\u3002\u4f46\u662f\uff0c\u6ce8\u610f\u7684\u662f\uff0ctransform<\/code>\u9700\u8981\u79c1\u6709\u524d\u7f00\u7684\u6d4f\u89c8\u5668\u662f\u539f\u751f\u7684IE9\u6d4f\u89c8\u5668\uff0c\u7528\u6237\u4f7f\u7528\u7684\u65f6\u5019\u80af\u5b9a\u90fd\u662f\u4f7f\u7528\u539f\u751f\u7248\u672c\u7684\uff0c\u5982\u679c\u4ece\u7528\u6237\u89d2\u5ea6\u8003\u8651\uff0c\u6211\u4eec\u5de5\u4f5c\u5230\u6b64\u4e3a\u6b62\u3002\u4f46\u662f\uff0c\u6211\u4eec\u7684\u6d4b\u8bd5\u540c\u4e8b\u5f88\u53ef\u80fd\u5c31\u662f\u4f7f\u7528IE11\u7b49\u6d4f\u89c8\u5668\u7684\u5411\u4e0b\u517c\u5bb9\u6a21\u5f0f\u770b\u7684\uff0c\u8981\u77e5\u9053\uff0cIE11\u2198IE9\u7684transform<\/code>\u4e0d\u9700\u8981-ms-<\/code>\u79c1\u6709\u524d\u7f00\u4e5f\u80fd\u8bc6\u522b\uff0c\u5f88\u53ef\u80fd\u4f60\u8fd9\u91cc\u7684\u5b9e\u73b0\u5c31\u4f1a\u88ab\u62a5bug.
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    <\/p>\n
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