{"id":3323,"date":"2014-12-14T13:39:57","date_gmt":"2014-12-14T05:39:57","guid":{"rendered":"https:\/\/sdeno.com\/?p=3323"},"modified":"2014-12-14T13:39:57","modified_gmt":"2014-12-14T05:39:57","slug":"css3%e6%9d%a1%e4%bb%b6%e5%88%a4%e6%96%ad-supports","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=3323","title":{"rendered":"CSS3\u6761\u4ef6\u5224\u65ad\u2014\u2014@supports"},"content":{"rendered":"<pre>@supports (display:flex) {\r\n section { display: flex }\r\n ...\r\n}<\/pre>\n<p>\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\u7684\u610f\u601d\u662f\uff1a\u5982\u679c\u6d4f\u89c8\u5668\u652f\u6301\u201cdisplay:flex\u201d\u5c5e\u6027\uff0c\u90a3\u4e48\u5728\u201csection\u201d\u5143\u7d20\u4e0a\u5c31\u8fd0\u7528\u201cdisplay:flex\u201d\u6837\u5f0f\u3002<\/p>\n<p><span style=\"color: #ff0000;\">not\u903b\u8f91\u58f0\u660e\u2014\u2014\u6392\u9664<\/span><\/p>\n<pre>@supports not (display: flex){\r\n\u00a0#container div{float:left;}\r\n}<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u8868\u793a\u7684\u662f\uff0c\u5982\u679c\u4f60\u7684\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\u201cdisplay:flex\u201d\u5c5e\u6027\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u4f7f\u7528\u201cfloat:left\u201d\u6765\u66ff\u4ee3\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">and\u903b\u8f91\u58f0\u660e\u2014\u2014\u8054\u5408\uff08\u4e0e\uff09<\/span><\/p>\n<pre>@supports (column-width: 20rem) and (column-span: all) {\r\n\u00a0div { column-width: 20rem } \r\n\u00a0div h2 { column-span: all }\r\n\u00a0div h2 + p { margin-top: 0; }\r\n ...\r\n}<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u8868\u793a\u7684\u662f\uff0c\u5982\u679c\u4f60\u7684\u6d4f\u89c8\u5668\u540c\u65f6\u652f\u6301\u201ccolumn-width:20rem\u201d\u548c\u201ccolumn-span:all\u201d\u4e24\u4e2a\u6761\u4ef6\uff0c\u6d4f\u89c8\u5668\u5c06\u4f1a\u8c03\u7528\u4e0b\u9762\u7684\u6837\u5f0f<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">or\u903b\u8f91\u58f0\u660e\u2014\u2014or(\u6216)<\/span><\/p>\n<pre>@supports (display: -webkit-flex) or (display: -moz-flex) or (display: flex) {\r\n section {\r\n display: -webkit-flex;\r\n display: -moz-flex;\r\n display: flex;\r\n \u2026\r\n } \r\n}<\/pre>\n<p>\u53ea\u8981\u652f\u6301\u5176\u4e2d\u4e00\u79cd\u5c31\u6267\u884c\u91cc\u9762\u4ee3\u7801<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4 style=\"color: #00b7e9;\"><span style=\"color: #ff0000;\">\u201cor\u201d\u548c\u201cand\u201d\u6df7\u7528<\/span><\/h4>\n<pre>@supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {\r\n \/\/ ...\r\n}\r\n@supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {\r\n \/\/ ...\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>@supports (display:flex) { section { display: flex } .. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,11],"tags":[],"class_list":["post-3323","post","type-post","status-publish","format-standard","hentry","category-css3","category-11"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3323"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3323\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}