{"id":11110,"date":"2024-01-21T21:53:26","date_gmt":"2024-01-21T13:53:26","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11110"},"modified":"2026-01-23T14:56:38","modified_gmt":"2026-01-23T06:56:38","slug":"css-at-scope","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/01\/css-at-scope\/","title":{"rendered":"CSS @scope\u4ed6\u6765\u4e86"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11110\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11110<\/a> \u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<br \/>\n\u672c\u6587\u6b22\u8fce\u5206\u4eab\u4e0e\u805a\u5408\uff0c\u5168\u6587\u8f6c\u8f7d\u5c31\u4e0d\u5fc5\u4e86\uff0c\u5c0a\u91cd\u7248\u6743\uff0c\u5708\u5b50\u5c31\u8fd9\u4e48\u5927\uff0c\u82e5\u6025\u7528\u53ef\u4ee5\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/202401-ar-scope.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/scope-cover.jpg\" width=\"480\" height=\"300\" alt=\"\u4ed9\u4eba\u638c\u5c01\u9762\u56fe\" class=\"alignright clip thumb size-medium\" \/><\/p>\n<h3>\u4e00\u3001\u80cc\u666f\u524d\u8a00<\/h3>\n<p>\u968f\u7740Safari TP\u7248\u672c\u5df2\u7ecf\u652f\u6301CSS @scope\u89c4\u5219\uff0c\u8fd9\u4e2a\u65b0\u7279\u6027\u5728\u4e0d\u4e45\u7684\u5c06\u6765\u5728Web\u4e2d\u5927\u653e\u5f02\u5f69\u5df2\u662f\u5fc5\u7136\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-21_200332.png\" width=\"661\" height=\"363\" alt=\"@scope \u89c4\u5219\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u90a3\u8fd9\u6837@scope\u89c4\u5219\u662f\u5e72\u4ec0\u4e48\u7528\u7684\u5462\uff1f<\/p>\n<h3>\u4e8c\u3001@scope\u7684\u8bed\u6cd5\u4e0e\u4f5c\u7528<\/h3>\n<p>\u4f7f\u7528\u8fc7Sass\u6216Less\u8fd9\u79cd\u9884\u7f16\u8bd1\u8bed\u8a00\u7684\uff0c\u8fd9\u79cd\u5199\u6cd5\u5e94\u8be5\u4e0d\u964c\u751f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-1-21_195622.png\" width=\"667\" height=\"270\" alt=\"Sass\u5199\u6cd5\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>@scope\u7684\u4f5c\u7528\u5176\u5b9e\u4e0e\u4e4b\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u5b9e\u73b0CSS\u9009\u62e9\u5668\u7684\u5d4c\u5957\u4e66\u5199\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6709\u5982\u4e0b\u6240\u793a\u7684HTML\u548cCSS\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;nav&gt;\r\n  &lt;ul&gt;\r\n    &lt;li&gt;&lt;a href=\"\"&gt;\u94fe\u63a51&lt;\/a&gt;&lt;\/li&gt;\r\n    &lt;li&gt;&lt;a href=\"\"&gt;\u94fe\u63a52&lt;\/a&gt;&lt;\/li&gt;\r\n    &lt;li&gt;&lt;a href=\"\"&gt;\u94fe\u63a53&lt;\/a&gt;&lt;\/li&gt;\r\n  &lt;\/ul&gt;\r\n&lt;\/nav&gt;\r\n&lt;p&gt;&lt;a&gt;\u6211\u5462\uff1f&lt;\/a&gt;&lt;\/p&gt;<\/pre>\n<pre>@scope(nav) {\r\n  ul {\r\n    list-style: none;\r\n    padding: 0;margin: 0;\r\n  }\r\n  li {\r\n    display: inline-block;\r\n  }\r\n  a {\r\n    display: block;\r\n    padding: 6px 12px;\r\n    text-decoration: none;\r\n    background: skyblue;\r\n  }\r\n}<\/pre>\n<p>\u6e32\u67d3\u6548\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u53ea\u6709\u5728nav\u6807\u7b7e\u5185\u7684<code>&lt;a&gt;<\/code>\u5143\u7d20\u6709\u4e86\u80cc\u666f\u8272\u7b49\u6837\u5f0f\uff0c\u800c\u5916\u9762\u7684\u8fd8\u662f\u9ed8\u8ba4\u7684\u6837\u5f0f\u6548\u679c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-21_210801.png\" width=\"394\" height=\"121\" alt=\"@scope\u57fa\u672c\u6548\u679c\u4f7f\u7528\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u4f18\u5148\u7ea7<\/h4>\n<p>@scope\u89c4\u5219\u5185\u9009\u62e9\u5668\u7684\u4f18\u5148\u7ea7\u662f\u8ba1\u7b97\u5728\u5185\u7684\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u8fd9\u6bb5CSS\u4ee3\u7801\u4e2da\u5143\u7d20\u7684\u4f18\u5148\u7ea7\u7b49\u540c\u4e8e<code>nav a<\/code>.<\/p>\n<pre>@scope(nav) {\r\n  a {\r\n    \u2026\r\n  }\r\n}<\/pre>\n<p>\u4e0b\u56fe\u6240\u793a\u7684\u8fd0\u884c\u7ed3\u679c\u4e5f\u53ef\u4ee5\u8bc1\u660e\u8fd9\u4e00\u70b9\uff0c\u82e5@scope()\u5185\u7684\u9009\u62e9\u5668\u4e0d\u53c2\u4e0e\u4f18\u5148\u7ea7\uff0c\u90a3\u4e48 a {background:lightpink} \u5c31\u4f1a\u8986\u76d6@scope\u89c4\u5219\u4e2da\u5143\u7d20\u7684\u80cc\u666f\u8272\u8bbe\u7f6e\uff0c\u7ed3\u679c\u6ca1\u6709\uff0c\u8bf4\u660e@scope()\u4e2d\u7684\u9009\u62e9\u5668\u4e5f\u53c2\u4e0e\u4e86\u4f18\u5148\u7ea7\u7684\u8ba1\u7b97\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-1-21_211202.png\" width=\"656\" height=\"453\" alt=\"\u4f18\u5148\u7ea7\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u5339\u914d\u81ea\u8eab<\/h4>\n<p>\u4f34\u968f@scope\u89c4\u5219\u4e00\u8d77\u51fa\u73b0\u7684\u662f:scope\u4f2a\u7c7b\uff0c\u53ef\u4ee5\u5339\u914d@scope\u51fd\u6570\u4e2d\u9009\u62e9\u5668\u5339\u914d\u7684\u5143\u7d20\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>@scope(nav) {\r\n  :scope {\r\n    border: double red;\r\n  }\r\n  ...\r\n}<\/pre>\n<p>\u6b64\u65f6\uff0c<code>&lt;nav&gt;<\/code>\u5143\u7d20\u5c31\u51fa\u73b0\u4e86\u53cc\u5c42\u7ea2\u8272\u8fb9\u6846\uff0c\u5982\u4e0b\u622a\u56fe\u6240\u793a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-21_211653.png\" width=\"391\" height=\"54\" alt=\"\u7ea2\u8272\u8fb9\u6846\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>to\u8bed\u6cd5\u8fdb\u884c\u6392\u9664<\/h4>\n<p>\u5982\u679c\u5e0c\u671b\u8303\u56f4\u5185\u7684\u67d0\u4e2a\u5143\u7d20\u4e0d\u53c2\u4e0e\u9009\u62e9\u5668\u5339\u914d\uff0c\u53ef\u4ee5\u4f7f\u7528 to (xxx)\u7684\u8bed\u6cd5\uff0c\u4f8b\u5982\u6709\u5982\u4e0b\u6240\u793a\u7684HTML\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;nav&gt;\r\n  &lt;ul&gt;\r\n    &lt;li&gt;&lt;a href=\"\"&gt;\u94fe\u63a51&lt;\/a&gt;&lt;\/li&gt;\r\n    &lt;li&gt;&lt;a href=\"\"&gt;\u94fe\u63a52&lt;\/a&gt;&lt;\/li&gt;\r\n    &lt;li&gt;&lt;a href=\"\"&gt;\u94fe\u63a53&lt;\/a&gt;&lt;\/li&gt;\r\n  &lt;\/ul&gt;\r\n  &lt;p&gt;&lt;a&gt;\u6211\u5462\uff1f&lt;\/a&gt;&lt;\/p&gt;\r\n&lt;\/nav&gt;<\/pre>\n<p>\u5982\u679c\u4e0d\u5e0c\u671b<code>&lt;p&gt;<\/code>\u5143\u7d20\u7684\u5185<code>&lt;a&gt;<\/code>\u5143\u7d20\u53c2\u4e0e\u6837\u5f0f\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u8fd9\u4e48\u8bbe\u7f6e\uff1a<\/p>\n<pre>@scope(nav) to (p) {\r\n  :scope {\r\n    border: double red;\r\n  }\r\n  ul {\r\n    list-style: none;\r\n    padding: 0;margin: 0;\r\n  }\r\n  li {\r\n    display: inline-block;\r\n  }\r\n  a {\r\n    display: block;\r\n    padding: 6px 12px;\r\n    text-decoration: none;\r\n    background: skyblue;\r\n  }\r\n}<\/pre>\n<p>\u6b64\u65f6\u53ef\u4ee5\u770b\u5230\uff0cp &gt; a\u8fd9\u4e2a\u5143\u7d20\u5e76\u672a\u6709\u4efb\u4f55\u6837\u5f0f\u5339\u914d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-21_212052.png\" width=\"388\" height=\"124\" alt=\"\u6392\u9664\u8bed\u6cd5\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u652f\u6301\u590d\u6742\u9009\u62e9\u5668<\/h4>\n<p>\u7ee7\u7eed\u4e0a\u9762\u7684HTML\u4ee3\u7801\uff0c\u5982\u679c@scope\u7684\u8bed\u53e5\u662f\u8fd9\u4e48\u8bbe\u7f6e\u7684\uff1a<\/p>\n<pre>@scope(nav:has(p)) to (p, [class], .some-class) {\r\n  ...\r\n}<\/pre>\n<p>\u4f9d\u7136\u4e0d\u5f71\u54cd\u6700\u7ec8\u7684CSS\u89e3\u6790\u3002<\/p>\n<h3>\u4e09\u3001\u5662\u5566\uff0c\u5c31\u8fd9\u95e8\u591a<\/h3>\n<p>\u4ece\u4e0a\u9762\u7684\u6587\u6863\u53ef\u4ee5\u770b\u51fa\uff0c@scope\u66f4\u50cf\u662f\u4e00\u79cd\u8bed\u6cd5\u7cd6\uff0c\u7b80\u5316\u4e66\u5199\uff0c\u8ba9\u5c42\u6b21\u66f4\u6e05\u6670\uff0c\u6bd4\u8f83\u9002\u5408\u7528\u5728\u6a21\u5757\u6216\u7ec4\u4ef6\u5f00\u53d1\u4e2d\u3002<\/p>\n<p>\u4e5f\u5c31\u662f\u4ee5\u524d\u5982\u4e0b\u6240\u793a\u7684\u9009\u62e9\u5668\u547d\u540d\u53ef\u4ee5\u4f18\u5316\u4e00\u6ce2\u4e86\uff1a<\/p>\n<pre>.zxx-list-x{}\r\n.zxx-list-ul{}\r\n.zxx-list-item{}\r\n.zxx-list-info{}\r\n.zxx-list-img{}\r\n.zxx-list-opt{}<\/pre>\n<p>\u73b0\u5728\u53ef\u4ee5\u8fd9\u4e48\u4e00\u6ce2\u5e26\u8fc7\u53bb\u4e86\uff1a<\/p>\n<pre>@scope(.zxx-list-x) {\r\n  :scope{}\r\n  .ul{}\r\n  .item{}\r\n  .info{}\r\n  .img{}\r\n  .opt{}\r\n}<\/pre>\n<p>\u6069\uff0c\u770b\u8d77\u6765\u633a\u9999\u7684\u3002<\/p>\n<p>\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c@scope\u6240\u5b9e\u73b0\u7684\u5e76\u975eCSS\u4f5c\u7528\u57df\u529f\u80fd\uff0c\u6240\u8c13\u4f5c\u7528\u57df\uff0c\u662f\u65e0\u8bba\u91cc\u9762\u7684CSS\u9009\u62e9\u5668\u5982\u4f55\u4e66\u5199\uff0c\u90fd\u4e0d\u4f1a\u5f71\u54cd\u5916\u9762\u7684CSS\uff0c\u8fd9\u4e2a\u76ee\u524d\u53ea\u5b58\u5728\u4e0eShadow DOM\u4e2d\u3002<\/p>\n<p>\u56e0\u6b64\uff0cVue\u548cReact\u90a3\u79cd\u6a21\u5757\u7c7b\u540d\u81ea\u52a8\u52a0\u968f\u673a\u540e\u7f00\u5b9e\u73b0\u5c40\u90e8CSS\u7684\u529f\u80fd\u5373\u4f7f\u5728@scope\u666e\u53ca\u4e4b\u540e\uff0c\u4f9d\u7136\u6709\u4e00\u5b9a\u7684\u5e02\u573a\uff0c\u4e0d\u8fc7\u4e0d\u4f1a\u50cf\u73b0\u5728\u8fd9\u4e48\u5927\u5c31\u662f\u4e86\u3002<\/p>\n<p>\u597d\uff0c\u5c31\u8bf4\u8fd9\u4e48\u591a\uff0cWeb\u66f4\u65b0\u4e0d\u6b62\uff0c\u524d\u7aef\u5b66\u4e60\u4e0d\u505c\u3002<\/p>\n<p><strong>\u8865\u5145\u4e8e2026-01-23<\/strong><\/p>\n<p>@scope\u6700\u5927\u7684\u4f18\u52bf\u5e94\u8be5\u8fd8\u662f\u5728HTML\u4e2d\u5185\u8054\u4f7f\u7528\uff0c\u6bd4\u65b9\u8bf4\uff1a<\/p>\n<pre>&lt;header&gt;&lt;\/header&gt;\r\n\r\n&lt;main&gt;\r\n  &lt;style&gt;\r\n    @scope {\r\n      \/* Scope root *\/\r\n      :scope { \/* \u9009\u62e9&lt;main&gt;\u5143\u7d20 *\/\r\n\r\n        \/* \u9009\u62e9\u6839\u8303\u56f4\u5185\u7684&lt;header&gt;\/&lt;footer&gt; *\/\r\n        header, footer {\r\n          background: rgb(from green r g b \/ 30%);\r\n        }\r\n      }\r\n    }\r\n  &lt;\/style&gt;\r\n\r\n  &lt;header&gt;&lt;\/header&gt;\r\n  &lt;section&gt;&lt;\/section&gt;\r\n  &lt;footer&gt;&lt;\/footer&gt;\r\n&lt;\/main&gt;\r\n\r\n&lt;footer&gt;&lt;\/footer&gt;<\/pre>\n<p>\u6240\u4ee5\u4e0a\u9762\u63d0\u5230\u7684<em>\u201c@scope\u66f4\u50cf\u662f\u4e00\u79cd\u8bed\u6cd5\u7cd6\uff0c\u7b80\u5316\u4e66\u5199\uff0c\u8ba9\u5c42\u6b21\u66f4\u6e05\u6670\u201d<\/em>\u662f\u4e0d\u5bf9\u7684\uff0c\u7b80\u5316\u4e66\u5199\u63a8\u8350\u4f7f\u7528CSS\u5d4c\u5957\u8bed\u6cd5\uff0c@scope\u786e\u5b9e\u6709\u8303\u56f4\u4f5c\u7528\u57df\u7684\u4f5c\u7528\u3002<\/p>\n<p><span class=\"s\">&#8212;- \u8865\u5145 end &#8212;-<\/span><\/p>\n<p>\u6b22\u8fce\u70b9\u8d5e\uff0c\u611f\u8c22<button onclick=\"shareWeixin.click()\" class=\"entry-share-btn\">\u5206\u4eab<\/button>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-21_213032.jpg\" width=\"120\" height=\"117\" alt=\"\u7d2b\u7075\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u6b22\u8fce\u5206\u4eab\uff0c\u52ff\u5168\u6587\u8f6c\u8f7d\uff0c\u5982\u679c\u5b9e\u5728\u559c\u6b22\uff0c\u53ef\u6536\u85cf\uff0c\u6c38\u4e0d\u8fc7\u671f\uff0c\u4e14\u4f1a\u53ca\u65f6\u66f4\u65b0\u77e5\u8bc6\u70b9\u53ca\u4fee\u6b63\u9519\u8bef\uff0c\u9605\u8bfb\u4f53\u9a8c\u4e5f\u66f4\u597d\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11110\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11110<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/scope-cover.jpg\" width=\"160\" height=\"100\" alt=\"\u4ed9\u4eba\u638c\u5c01\u9762\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>\u4ece\u540d\u79f0\u4e0a\u770b\uff0c@scope\u4f3c\u4e4e\u662f\u5b9e\u73b0CSS\u4f5c\u7528\u57df\u7684\uff0c\u8fd9\u4e2a\u8ba8\u8bba\u4e86\u8fd120\u5e74\u7684\u7279\u6027\u7ec8\u4e8e\u662f\u8981\u652f\u6301\u4e86\u5417\uff0c\u8fd8\u662f\u5e76\u975e\u5982\u6b64\uff1f<\/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":[1024,1861,1787,1842,1014,1013,1833,1015,1926,1012,1831,504,212],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11110"}],"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=11110"}],"version-history":[{"count":2,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11110\/revisions"}],"predecessor-version":[{"id":12071,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11110\/revisions\/12071"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}