{"id":12089,"date":"2026-03-04T11:36:13","date_gmt":"2026-03-04T03:36:13","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12089"},"modified":"2026-03-04T11:36:48","modified_gmt":"2026-03-04T03:36:48","slug":"css-interestfor-invoker-target-source","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2026\/03\/css-interestfor-invoker-target-source\/","title":{"rendered":"HTML interestfor\u5c5e\u6027\u4e0e\u60ac\u505cpopover\u4ea4\u4e92\u6548\u679c"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12089\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12089<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0cAI\u6293\u53d6\u4fdd\u7559\u539f\u6587\u5730\u5740\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\u60ac\u505cpopover\u4e5f\u539f\u751f\u652f\u6301\u4e86<\/h3>\n<p>\u4e4b\u524d\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/01\/js-html-popover-dropdown\/\">\u8be5\u4f7f\u7528\u539f\u751fpopover\u5c5e\u6027\u6a21\u62df\u4e0b\u62c9\u4e86<\/a>\u201d\u8fd9\u7bc7\u6587\u7ae0\u6709\u4ecb\u7ecd\u8fc7\u70b9\u51fb\u884c\u4e3a\u9a71\u52a8\u7684popover\u4e0b\u62c9\u3002<\/p>\n<p>\u6700\u8fd1\u53d1\u73b0\uff0c\u9f20\u6807hover\u60ac\u505c\u4e5f\u652f\u6301popover\u4ea4\u4e92\u4e86\u3002<\/p>\n<p>\u4e14\u529f\u80fd\u6bd4\u70b9\u51fb\u66f4\u4e30\u5bcc\uff0c\u9002\u7528\u8303\u56f4\u66f4\u5e7f\uff0c\u90a3\u5c31\u662f\u5c06<code>popovertarget<\/code>\u5c5e\u6027\u6362\u6210<code>interestfor<\/code>\u5c5e\u6027\u3002<\/p>\n<p>\u5148\u770b\u6848\u4f8b\uff0cHTML\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;button interestfor=\"imgBook\"&gt;Hover\u663e\u793a\u56fe\u7247&lt;\/button&gt;\r\n&lt;img id=\"imgBook\" popover src=\"book.jpg\" \/&gt;<\/pre>\n<p>\u65e0\u9700\u4efb\u4f55JS\u4ee3\u7801\uff0c\u9f20\u6807\u7ecf\u8fc7\u6309\u94ae\uff0c\u5c31\u53ef\u4ee5\u8ba9\u56fe\u7247\u663e\u793a\uff0c\u5b9e\u65f6\u6548\u679c\u5982\u4e0b\uff08\u9700\u8981Chrome 142+\u6d4f\u89c8\u5668\uff09\uff1a<\/p>\n<div style=\"display:inline-block;padding:1rem;border:1px solid #ccc;background:#f5f5f5;\">\n  <button interestfor=\"imgBook\">Hover\u663e\u793a\u56fe\u7247<\/button><br \/>\n  <img decoding=\"async\" id=\"imgBook\" popover src=\"\/study\/202312\/book1.jpg\" style=\"position: fixed;display:revert;\" \/>\n<\/div>\n<p>Nice\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202409\/2024-9-13_221322.jpeg\" width=\"228\" height=\"128\" alt=\"Nice\uff01\" class=\"alignnone size-medium\"><\/p>\n<h3>\u4e8c\u3001\u94fe\u63a5\u5143\u7d20\u4e5f\u652f\u6301<\/h3>\n<p><code>popovertarget<\/code>\u5c5e\u6027\u4ec5\u9002\u7528\u4e8e<code>&lt;button&gt;<\/code>\u5143\u7d20\uff0c\u4f46\u662f<code>interestfor<\/code>\u5c5e\u6027\u4e0d\u4ec5\u53ef\u4ee5\u7528\u5728\u6309\u94ae\u5143\u7d20\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u7528\u5728\u5404\u7c7b\u94fe\u63a5\u5143\u7d20\u4e0a\uff0c\u4f8b\u5982<code>&lt;a&gt;<\/code>\u5143\u7d20\u3001<code>&lt;area&gt;<\/code>\u5143\u7d20\u3002<\/p>\n<p>\u8fd9\u4e2a\u4e0d\u96be\u7406\u89e3\uff0c<code>&lt;a&gt;<\/code>\u5143\u7d20\u672c\u8eab\u5c31\u6709\u70b9\u51fb\u884c\u4e3a\uff0c\u548c<code>popovertarget<\/code>\u7684\u70b9\u51fb\u884c\u4e3a\u662f\u51b2\u7a81\u7684\u3002<\/p>\n<p>\u4f46\u662f<code>interestfor<\/code>\u5c5e\u6027\u662f\u9f20\u6807\u7ecf\u8fc7\u8fdb\u5165\u884c\u4e3a\uff0c\u5e76\u4e0d\u4f1a\u548c<code>&lt;a&gt;<\/code>\u5143\u7d20\u672c\u8eab\u7684\u94fe\u63a5\u8df3\u8f6c\u60f3\u51b2\u7a81\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>&lt;a href interestfor=\"myAccount\"&gt;Hover\u663e\u793a\u5185\u5bb9&lt;\/a&gt;\r\n&lt;div id=\"myAccount\" popover&gt;\u6211\u7684\u6296\u97f3\uff1a\u201c\u5f20\u946b\u65ed\u672c\u4eba\u201d&lt;\/div&gt;<\/pre>\n<p style=\"display:inline-block;padding:1rem;border:1px solid #ccc;background:#f5f5f5;\"><a href=\"https:\/\/www.douyin.com\/user\/MS4wLjABAAAAjhxsHo_8hsF0-pU_xpzg_zxzpxdjG3G0Qh6H-rrkVQ8z8-TnWorIOcKd6aY-r7EN\" interestfor=\"myAccount\" target=\"_blank\" rel=\"noopener\">Hover\u663e\u793a\u5185\u5bb9<\/a><\/p>\n<div id=\"myAccount\" popover>\u6211\u7684\u6296\u97f3\uff1a\u201c\u5f20\u946b\u65ed\u672c\u4eba\u201d<\/div>\n<p>\u60ac\u6d6e\u4e0a\u9762\u7684\u94fe\u63a5\u5143\u7d20\uff0c\u5c31\u53ef\u4ee5\u5728\u663e\u793a\u5668\u7684\u6700\u4e2d\u95f4\u770b\u5230\u7c7b\u4f3c\u4e0b\u9762\u622a\u56fe\u7684\u6548\u679c\u4e86\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-4_103352.png\" width=\"298\" height=\"97\" alt=\"\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>interestForElement\u5c5e\u6027<\/h4>\n<p>\u9664\u4e86HTML\u5c5e\u6027<code>interestfor<\/code>\u8bbe\u7f6e\u8fd9\u79cd\u4ea4\u4e92\u6548\u679c\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u518dJavaScript\u5c42\u9762\uff0c\u4f7f\u7528DOM\u7684interestForElement\u76f4\u63a5\u8bbe\u7f6e\uff0c\u4ee3\u7801\u793a\u610f\uff1a<\/p>\n<pre>const invoker = document.querySelector(\"button\");\r\nconst popover = document.querySelector(\"div\");\r\n\r\ninvoker.interestForElement = popover;<\/pre>\n<p>\u6b64\u65f6\uff0cHover button\u5143\u7d20\u4e5f\u4f1a\u89e6\u53d1<code>popover<\/code>\u53d8\u91cf\u5143\u7d20\u7684\u72b6\u6001\u53d8\u5316\u3002<\/p>\n<h3>\u4e09\u3001\u975epopover\u7c7b\u578b\u5bf9\u8c61\u5143\u7d20\u4e5f\u652f\u6301<\/h3>\n<p>\u5728\u4f20\u7edf\u7684<code>popovertarget<\/code>\u4ea4\u4e92\u573a\u666f\u4e0b\uff0c\u76ee\u6807\u5143\u7d20\u9700\u8981\u8bbe\u7f6e<code>popover<\/code>\u5c5e\u6027\u624d\u53ef\u4ee5\uff08\u9ed8\u8ba4\u9690\u85cf\uff0c\u70b9\u51fb\u663e\u793a\uff09\u3002<\/p>\n<p>\u4f46\u662f<code>interestfor<\/code>\u6307\u5411\u7684\u76ee\u6807\u5143\u7d20\u662f\u4efb\u610f\u7684\uff0c\u4e5f\u5c31\u662f\u4f60\u5c31\u662f\u4e2a\u666e\u901a\u7684\u5143\u7d20\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u65e0\u9700\u975e\u8981\u7edd\u5bf9\u5b9a\u4f4d\u3002<\/p>\n<p>\u5047\u8bbe\u6709\u5982\u4e0b\u6240\u793a\u7684HTML\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;a href interestfor=\"markTarget\"&gt;Hover Me\uff01&lt;\/a&gt;\r\n&lt;p id=\"markTarget\"&gt;\u9f20\u6807\u7ecf\u8fc7\u94fe\u63a5\u540e\u6211\u9ad8\u4eae&lt;\/p&gt;\r\n&lt;style&gt;p:interest-target {\r\n  background-color: yellow;\r\n}&lt;\/style&gt;<\/pre>\n<p>\u6b64\u65f6\uff0c\u7ecf\u8fc7\u94fe\u63a5\u5143\u7d20\uff0c\u4f60\u5c31\u4f1a\u770b\u5230<code>&lt;p&gt;<\/code>\u5143\u7d20\u80cc\u666f\u9ad8\u4eae\u4e86\u3002<\/p>\n<p>\u5b9e\u65f6\u6e32\u67d3\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<div style=\"display:inline-block;padding:1rem;border:1px solid #ccc;background:#f5f5f5;\"><a href interestfor=\"markTarget\">Hover Me\uff01<\/a><\/p>\n<p id=\"markTarget\">\u9f20\u6807\u7ecf\u8fc7\u94fe\u63a5\u540e\u6211\u9ad8\u4eae<\/p>\n<\/div>\n<style>p:interest-target {background-color: yellow;}.mybook:interest-source{box-shadow: inset 0 0 0 9em yellow;}<\/style>\n<p>\u4e0a\u9762\u7684\u6848\u4f8b\u4e2d\u51fa\u73b0\u4e86\u4e2aCSS\u65b0\u7279\u6027\uff0c<code>:interest-target<\/code>\u4f2a\u7c7b\uff0c\u4e13\u95e8\u7528\u6765\u5339\u914d<code>interestfor<\/code>\u5339\u914d\u5143\u7d20\u6fc0\u6d3b\u7684\u72b6\u6001\u3002<\/p>\n<p>\u5176\u5b9e\u9664\u4e86<code>:interest-target<\/code>\u4f2a\u7c7b\uff0c\u8fd8\u6709\u4e2a\u540d\u4e3a<code>:interest-source<\/code>\u7684CSS\u4f2a\u7c7b\u3002<\/p>\n<h3>\u56db\u3001\u914d\u5957CSS\u4f2a\u7c7b:interest-source\/target<\/h3>\n<p><code>:interest-source<\/code>\u4f2a\u7c7b\u5339\u914d\u6309\u94ae\u3001\u94fe\u63a5\u5143\u7d20\u5904\u4e8einterest\u72b6\u6001\u7684\u573a\u666f\u3002<\/p>\n<p><code>:interest-target<\/code>\u4f2a\u7c7b\u5339\u914d\u7684\u662f\u76ee\u6807\u5143\u7d20\u3002<\/p>\n<p>\u6211\u4eec\u518d\u6765\u770b\u4e00\u4e2a<code>:interest-source<\/code>\u4f2a\u7c7b\u5e94\u7528\u7684\u6309\u94ae\uff0c\u4e5f\u5c31\u662f\u6d6e\u5c42\u663e\u793a\u7684\u65f6\u5019\uff0c\u8ba9\u6309\u94ae\u9ad8\u4eae\u3002<\/p>\n<p>\u6d4b\u8bd5\u4ee3\u7801\u4e3a\uff1a<\/p>\n<pre>&lt;button class=\"mybook\" interestfor=\"mybook\"&gt;Hover\u56fe\u7247\u663e\u793a\u540e\uff0c\u6309\u94ae\u9ad8\u4eae&lt;\/button&gt;\r\n&lt;img id=\"mybook\" popover src=\"book.jpg\" \/&gt;\r\n&lt;style&gt;\r\n.mybook:interest-source {\r\n  box-shadow: inset 0 0 0 9em yellow;\r\n}&lt;\/style&gt;\r\n<\/pre>\n<p>\u5b9e\u9645\u6548\u679c\u5982\u4e0b\uff08\u79fb\u52a8\u7aef\u548c\u975eChrome\u6d4f\u89c8\u5668\u53ef\u80fd\u770b\u4e0d\u5230\u6548\u679c\uff09\uff1a<\/p>\n<p><button class=\"mybook\" interestfor=\"mybook\" style=\"zoom: 1.5;\">Hover\u56fe\u7247\u663e\u793a\u540e\uff0c\u6309\u94ae\u9ad8\u4eae<\/button><br \/>\n<img decoding=\"async\" id=\"mybook\" popover src=\"\/study\/202312\/book1.jpg\" style=\"position: fixed;display:revert;\" \/><\/p>\n<hr>\n<h3>\u4e94\u3001\u517c\u5bb9\u6027\u3001\u5e94\u7528\u7b49\u5176\u4ed6\u8bf4\u660e<\/h3>\n<p>popover\u9ed8\u8ba4\u662f\u5c45\u4e2d\u5b9a\u4f4d\u7684\uff0c\u5982\u679c\u6211\u4eec\u5e0c\u671b\u76f8\u5bf9\u4e8e\u89e6\u53d1\u7684\u6309\u94ae\u6216\u94fe\u63a5\u5143\u7d20\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528CSS\u951a\u70b9\u5b9a\u4f4d\uff0c\u8be6\u89c1\u6b64\u6587\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/06\/css-anchor-positioning-api\/\">\u65b0\u7684CSS Anchor Positioning\u951a\u70b9\u5b9a\u4f4dAPI<\/a>\u201d\u3002<\/p>\n<p>\u65e0\u9700\u4efb\u4f55JS\u7684\u53c2\u4e0e\u3002<\/p>\n<p>\u73b0\u5728\u7684CSS\u662f\u8d8a\u6765\u8d8a\u5f3a\u5927\u4e86\uff0c\u552f\u4e00\u7684\u9057\u61be\u5c31\u662f\u6b64\u7279\u6027\u7684\u517c\u5bb9\u6027\u8fd8\u4e0d\u662f\u5f88\u597d\uff0c\u76ee\u524d\u53ea\u6709Chrome\u6d4f\u89c8\u5668\u652f\u6301\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-4_110103.png\" width=\"576\" height=\"370\" alt=\"interset invokers \u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u603b\u4e4b\uff0c\u6211\u662f\u975e\u5e38\u671f\u5f85\u8fd9\u4e2aCSS\u7279\u6027\u80fd\u591f\u5feb\u901f\u5168\u9762\u652f\u6301\u7684\u3002<\/p>\n<p>\u597d\u5427\uff0c\u5c31\u4ecb\u7ecd\u8fd9\u4e48\u591a\uff0c\u8fd8\u662f\u633a\u5b9e\u7528\u7684\u4e00\u4e2a\u7279\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-4_113336.jpeg\" width=\"120\" height=\"90\" alt=\"\u98de\u543b\" class=\"alignnone size-medium\" \/><\/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=12089\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12089<\/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\/202603\/2026-3-4_111802.png\" width=\"160\" height=\"104\" alt=\"interestfor\u5c01\u9762\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>\u5367\u9760\uff0c\u4e0d\u4ec5\u70b9\u51fbpopover\u4ea4\u4e92\u7eafCSS\u53ef\u4ee5\u5b8c\u5168\u5b9e\u73b0\uff0c\u73b0\u5728\u5c31\u8fde\u4efb\u610fHover\u60ac\u505c\u4ea4\u4e92\u6548\u679c\u4e5f\u90fd\u53ea\u9700\u8981HTML\u548cCSS\u5c31\u80fd\u5b9e\u73b0\u4e86\uff0c\u5176\u4e2d\u7684\u5173\u952e\u5c31\u662finterestfor\u5c5e\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,1097],"tags":[2106,2104,278,2107,614,1935,1952],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12089"}],"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=12089"}],"version-history":[{"count":12,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12089\/revisions"}],"predecessor-version":[{"id":12134,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12089\/revisions\/12134"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=12089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=12089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=12089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}