{"id":8300,"date":"2018-12-17T23:51:05","date_gmt":"2018-12-17T15:51:05","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8300"},"modified":"2018-12-17T23:51:05","modified_gmt":"2018-12-17T15:51:05","slug":"css-webkit-%e4%bc%aa%e5%85%83%e7%b4%a0-%e9%80%89%e6%8b%a9%e5%99%a8-%e6%97%a0%e6%95%88","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/12\/css-webkit-%e4%bc%aa%e5%85%83%e7%b4%a0-%e9%80%89%e6%8b%a9%e5%99%a8-%e6%97%a0%e6%95%88\/","title":{"rendered":"\u5468\u77e5\uff1aCSS -webkit-\u4f2a\u5143\u7d20\u9009\u62e9\u5668\u4e0d\u518d\u5bfc\u81f4\u6574\u884c\u65e0\u6548"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8300\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=8300<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4e2a\u4eba\u7f51\u7ad9\u65e0\u9700\u6388\u6743\uff0c\u53ea\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\u5373\u53ef\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<h3>\u4e00\u3001\u4e00\u4e9b\u5df2\u77e5\u7279\u6027<\/h3>\n<p>\u4f8b\u5982\u4e0b\u9762\u7684CSS\uff1a<\/p>\n<pre>div, span::whatever {\r\n  background: red;\r\n}<\/pre>\n<p>\u5176\u4e2d<code>::whatever <\/code>\u662f\u968f\u4fbf\u5199\u7684\u4e00\u4e2a\u65e0\u6548\u7684\u4f2a\u5143\u7d20\u9009\u62e9\u5668\u3002<code>div<\/code>\u8fd9\u4e2a\u9009\u62e9\u5668\u80af\u5b9a\u662f\u5408\u6cd5\u7684\u3002\u4f46\u662f\uff0c\u5982\u679c\u5b83\u4eec\u5199\u5728\u4e00\u8d77\uff0c\u4e0d\u597d\u610f\u601d\uff0c\u6240\u6709\u9009\u62e9\u5668\u90fd\u4e0d\u652f\u6301\u4e86\u3002\u4e5f\u5c31\u662f\u9875\u9762\u4e0a\u7684<code>&lt;div&gt;<\/code>\u5143\u7d20\u7684\u80cc\u666f\u8272\u4e0d\u4f1a\u8868\u73b0\u4e3a\u7ea2\u8272\uff0c\u6d4f\u89c8\u5668\u76f4\u63a5\u5ffd\u7565\u8fd9\u6761\u58f0\u660e\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201812\/2018-12-17_231127.png\" width=\"537\" height=\"291\" alt=\"\u65e0\u6548\u7684\u4f2a\u5143\u7d20\u9009\u62e9\u5668\u5bfc\u81f4\u6574\u884c\u9009\u62e9\u5668\u5931\u6548\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u8fd9\u4e2a\u7279\u6027\u5f88\u591a\u4eba\u5e94\u8be5\u6709\u6ce8\u610f\u5230\uff0c\u751a\u81f3\u53ef\u4ee5\u501f\u6b64\u5199\u4e00\u4e9bCSS hack\u8fdb\u884c\u6d4f\u89c8\u5668\u533a\u5206\u3002<\/p>\n<p>\u7136\u800c\uff0c\u66f4\u591a\u65f6\u5019\uff0c\u662f\u4f1a\u7ed9\u6211\u4eec\u5e26\u6765\u70e6\u607c\uff0c\u4f8b\u5982\uff0c\u6211\u4eec\u5bf9\u8f93\u5165\u6846<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=2169\">placeholder\u5360\u4f4d\u7b26<\/a>\u989c\u8272\u8fdb\u884c\u6837\u5f0f\u91cd\u5b9a\u4e49\u7684\u65f6\u5019\uff0c\u53ea\u80fd\u5206\u5f00\u5199\uff08CSS\u53d6\u81ea<a href=\"https:\/\/l-ui.com\/\" rel=\"noopener\" target=\"_blank\">LuLu UI<\/a>\uff09\uff1a<\/p>\n<pre><span style=\"color:green;\">\/* for webkit\/blink *\/<\/span>\r\n::-webkit-input-placeholder {\r\n  transition: opacity .15s;\r\n  color: #a2a9b6;\r\n  line-height: inherit;\r\n  font-size: 14px; \r\n}\r\n:focus::-webkit-input-placeholder {\r\n  opacity: 0.38; \r\n}\r\n<span style=\"color:green;\">\/* for firefox *\/<\/span>\r\n::-moz-placeholder {\r\n  transition: opacity .15s;\r\n  color: #a2a9b6;\r\n  font-size: 14px; \r\n}\r\n:focus::-moz-placeholder {\r\n  opacity: 0.38; \r\n}\r\n<span style=\"color:green;\">\/* for IE10+\/Edge *\/<\/span>\r\n:-ms-input-placeholder {\r\n  transition: opacity .15s;\r\n  color: #a2a9b6 !important;\r\n  font-size: 14px; \r\n}\r\n:focus:-ms-input-placeholder {\r\n  opacity: 0.38; \r\n}<\/pre>\n<p>\u6211\u4eec\u4e0d\u80fd\u5408\u8d77\u6765\u5199\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>::-webkit-input-placeholder,\r\n::-moz-placeholder,\r\n:-ms-input-placeholder {\r\n  color: #a2a9b6;\r\n}<\/pre>\n<p>\u7ed3\u679c\u8f93\u5165\u6846\u5360\u4f4d\u7b26\u989c\u8272\u6ca1\u6709\u53d8\u6210\u5e0c\u671b\u7684#a2a9b6\uff0c\u800c\u662f\u9ed8\u8ba4\u7684#757575\uff0c\u56e0\u4e3a\u5408\u5728\u4e00\u8d77\u5927\u5bb6\u90fd\u65e0\u6548\u4e86\uff0c\u8981\u6b7b\u4e00\u8d77\u6b7b\uff0c\u5c31\u662f\u8fd9\u4e48\u56de\u4e8b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201812\/2018-12-17_232339.png\" width=\"196\" height=\"66\" alt=\"\u989c\u8272\u6ca1\u6709\u751f\u6548\" class=\"alignnone size-medium\" \/><\/p>\n<h3>\u4e8c\u3001\u73b0\u5728\u7684\u53d8\u5316<\/h3>\n<p>\u73b0\u5728\uff0c\u6d4f\u89c8\u5668\u7ea6\u5b9a\u4fd7\u6210\uff0c\u5f00\u59cb\u6709\u4e86\u4e00\u4e9b\u53d8\u5316\uff0c\u5177\u4f53\u53d8\u5316\u5185\u5bb9\u5982\u4e0b\uff0c\u6765\u81ea<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/CSS\/Webkit_Extensions\" rel=\"noopener nofollow\" target=\"_blank\">MDN\u6587\u6863<\/a>\uff1a<\/p>\n<blockquote><p>\u901a\u5e38\uff0c\u5982\u679c\u9009\u62e9\u5668\u94fe\u6216\u7ec4\u4e2d\u6709\u65e0\u6548\u7684\u4f2a\u5143\u7d20\u6216\u4f2a\u7c7b\uff0c\u5219\u6574\u4e2a\u9009\u62e9\u5668\u5217\u8868\u65e0\u6548\u3002\u5982\u679c\u4f2a\u5143\u7d20\uff08\u4f46\u4e0d\u662f\u4f2a\u7c7b\uff09\u5177\u6709-webkit-\u524d\u7f00\uff0c\u90a3\u4e48\u5bf9\u4e8eFirefox 63+\uff0cBlink\u3001Webkit\u548cGecko\u6d4f\u89c8\u5668\u8ba4\u4e3a\u5b83\u662f\u6709\u6548\u7684\uff0c\u800c\u4e0d\u4f1a\u4f7f\u9009\u62e9\u5668\u5217\u8868\u65e0\u6548\u3002<\/p><\/blockquote>\n<p>\u4ec0\u4e48\u610f\u601d\u5462\uff0c\u5f00\u59cb\u4e00\u5f00\u59cb\u7684\u4f8b\u5b50\uff0c\u6211\u4eec\u968f\u4fbf\u5199\u4e00\u4e2a\u4f2a\u5143\u7d20\u9009\u62e9\u5668\uff0c\u4f46\u662f\uff0c\u4f7f\u7528<code>-webkit-<\/code>\u79c1\u6709\u524d\u7f00\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre>div, span::-webkit-whatever {\r\n  background: red;\r\n}<\/pre>\n<p>\u7ed3\u679c\uff0c\u6b64\u65f6\uff0cdiv\u53ef\u4ee5\u6b63\u5e38\u9009\u62e9\u5668\u6e32\u67d3\uff0c\u5982\u4e0b\u793a\u610f\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201812\/2018-12-17_233149.png\" width=\"337\" height=\"321\" alt=\"div\u80cc\u666f\u8272\u662f\u7ea2\u8272\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u6d4f\u89c8\u5668\u5bf9\u8fd9\u4e00\u884cCSS\u9009\u62e9\u5668\u7684\u89e3\u6790\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201812\/2018-12-17_233206.png\" width=\"290\" height=\"154\" alt=\"\u6d4f\u89c8\u5668\u7684\u9009\u62e9\u5668\u89e3\u6790\u622a\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u4e5f\u5c31\u662f\u867d\u7136<code>span::-webkit-whatever<\/code>\u8868\u73b0\u4e3a\u4e0d\u652f\u6301\uff08\u7070\u8272\uff09\uff0c\u4f46div\u4f9d\u7136\u6b63\u5e38\u89e3\u6790\uff08\u9ed1\u8272\uff09\u3002<\/p>\n<p>\u6b64\u7279\u6027\u53d8\u5316\u662fFirefox 63\u4e4b\u540e\u624d\u6709\u7684\u53d8\u5316\uff0cNice\u53d8\u5316\u3002<\/p>\n<p>\u4e0d\u8fc7\u574f\u6d88\u606f\u662fIE\u6d4f\u89c8\u5668\u4f9d\u7136\u4e0d\u627f\u8ba4<code>::-webkit-<\/code>\u8fd9\u4e00\u5957\uff0c\u597d\u5728Edge\u5df2\u7ecf\u5b98\u5ba3\u4ee5\u540e\u7528Chrome\u90a3\u5957\u5185\u6838\u4e86\uff0c\u867d\u7136\u4e0d\u77e5\u9053\u7334\u5e74\u9a6c\u6708\uff0c\u4f46\u6709\u5e0c\u671b\u603b\u6bd4\u65f6\u523b\u5931\u671b\u7684\u597d\u3002<\/p>\n<p><strong>\u53c2\u8003\u6587\u7ae0<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/css-tricks.com\/one-invalid-pseudo-selector-equals-an-entire-ignored-selector\/\">One Invalid Pseudo Selector Equals an Entire Ignored Selector<\/a><\/li>\n<\/ul>\n<p>\u611f\u8c22\u9605\u8bfb\uff0c\u6b22\u8fce\u4ea4\u6d41\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/emtion\/emoji\/1f603.svg\" width=\"20\" height=\"20\" align=\"absmiddle\"><\/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=8300\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=8300<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201812\/webkit-double-colons-.png\" width=\"161\" height=\"100\" class=\"alignright size-medium\" alt=\"-webkit-\u4e0e\u4f2a\u5143\u7d20\" \/><\/p>\n<p>\u901a\u5e38\uff0c\u5982\u679c\u9009\u62e9\u5668\u94fe\u6216\u7ec4\u4e2d\u6709\u65e0\u6548\u7684\u4f2a\u5143\u7d20\u6216\u4f2a\u7c7b\uff0c\u5219\u6574\u4e2a\u9009\u62e9\u5668\u5217\u8868\u65e0\u6548\u3002\u5982\u679c\u4f2a\u5143\u7d20\uff08\u4f46\u4e0d\u662f\u4f2a\u7c7b\uff09\u5177\u6709-webkit-\u524d\u7f00\uff0c\u90a3\u4e48\u5bf9\u4e8eFirefox 63+\uff0cBlink\u3001Webkit\u548cGecko\u6d4f\u89c8\u5668\u8ba4\u4e3a\u5b83\u662f\u6709\u6548\u7684\uff0c\u800c\u4e0d\u4f1a\u4f7f\u9009\u62e9\u5668\u5217\u8868\u65e0\u6548\u3002<\/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":[1271,548,290,823,843,212],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/8300"}],"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=8300"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/8300\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=8300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=8300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=8300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}