{"id":11801,"date":"2025-07-31T16:12:55","date_gmt":"2025-07-31T08:12:55","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11801"},"modified":"2025-07-31T16:13:30","modified_gmt":"2025-07-31T08:13:30","slug":"html-popover-hint","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2025\/07\/html-popover-hint\/","title":{"rendered":"HTML popover\u518d\u8fdb\u5316 – \u65b0\u589ehint\u7c7b\u578b\u63d0\u793a\u6846"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com\/wordpress\/?p=11801<\/a>
\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

\"popover<\/p>\n

\u4e00\u3001\u5173\u4e8epopover=hint<\/h3>\n

\u53bb\u5e74\u5e74\u521d\u6709\u4ecb\u7ecdHTML popover<\/code>\u5c5e\u6027\uff0c\u8be6\u89c1\u201c\u8be5\u4f7f\u7528\u539f\u751fpopover\u5c5e\u6027\u6a21\u62df\u4e0b\u62c9\u4e86<\/a>\u201d\u4e00\u6587\u3002<\/p>\n

\u53ef\u4ee5\u8bf4\u662f\u5f39\u51fa\u6d6e\u5c42\u6700\u4f73\u89e3\u51b3\u65b9\u6848\uff0c\u81ea\u52a8\u663e\u9690\u7279\u6027\uff0c\u5916\u52a0\u9876\u5c42\u7279\u6027\uff0c\u975e\u5e38\u9999\u3002<\/p>\n

\u4f46\u662f\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u4e00\u6b21\u6700\u591a\u53ea\u80fd\u6709\u4e00\u4e2a\u5f39\u51fa\u5c42\u663e\u793a\uff08\u5982\u679c\u4e0d\u4f7f\u7528 showPopover()<\/code> \u65b9\u6cd5\u624b\u52a8\u8bbe\u7f6e\u7684\u8bdd\uff09\uff0c\u4f46\u662f\u6709\u4e9b\u8f7b\u63d0\u793a\uff0c\u4ec5\u4ec5\u662f\u7528\u505a\u4fe1\u606f\u5c55\u793a\uff0c\u53ef\u4ee5\u65e0\u9700\u5173\u95ed\u4e4b\u524d\u7684\u5f39\u51fa\u5c42\uff0c\u4e4b\u524d\u7684popover<\/code>\u5c5e\u6027\u80fd\u529b\u5c31\u4e0d\u591f\u3002<\/p>\n

\u4e8e\u662f\uff0c\u4eceChrome 133\u5f00\u59cb\uff0cpopover<\/code>\u5c5e\u6027\u65b0\u589e\u4e86\u5c5e\u6027\u503chint<\/code>\uff0c\u8868\u793a\u8f7b\u63d0\u793a\uff0c\u663e\u793a\u7684\u65f6\u5019\u4e0d\u4f1a\u5f71\u54cd\u4e4b\u524d\u7684\u5f39\u51fa\u5c42\u3002<\/p>\n

\"popover<\/p>\n

\u4e8c\u3001hint\u503c\u4f7f\u7528\u6848\u4f8b<\/h3>\n

\u4e00\u4f8b\u80dc\u5343\u8a00\u3002<\/p>\n

\u6211\u4eec\u5f00\u770b\u4e00\u4e2ahint\u503c\u4f7f\u7528\u6848\u4f8b\uff0cHTML\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

<button popovertarget=\"datalist\">\u70b9\u51fb\u6211 \u25bc<\/button>\r\n<div id=\"datalist\" popover>\r\n  <option>\u5217\u88681<\/option>\r\n  <option>\u5217\u88682<\/option>\r\n<\/div>\r\n<!-- \u8f7b\u63d0\u793a -->\r\n<button \r\n  class=\"hint\" \r\n  onmouseover=\"hint.showPopover();\" \r\n  onmouseout=\"hint.hidePopover();\"\r\n>?<\/button>\r\n<div id=\"hint\" popover=\"hint\">\u6211\u662f\u8f7b\u63d0\u793a\u6587\u5b57\u5185\u5bb9<\/div><\/pre>\n
\u6211\u4eec\u4f7f\u7528CSS\u951a\u70b9\u5b9a\u4f4d<\/a>\uff0c\u8ba9\u63d0\u793a\u6846\u7684\u4f4d\u7f6e\u90fd\u8ddf\u968f\u6309\u94ae(\u975e\u5fc5\u987b)\uff1a<\/p>\n
[popovertarget=\"datalist\"] {\r\n  anchor-name: --button-anchor;\r\n}\r\n\r\n#datalist {\r\n  position-anchor: --button-anchor;\r\n}\r\n\r\n[popover] {\r\n  left: anchor(left);\r\n  top: calc(anchor(bottom) + 5px);\r\n  right: auto;\r\n  bottom: auto;\r\n}\r\n\r\n.hint {\r\n  anchor-name: --hint-anchor;\r\n}\r\n\r\n#hint {\r\n  background: #0009;\r\n  color: #fff;\r\n  position-anchor: --hint-anchor;\r\n}<\/pre>\n
\u6b64\u65f6\uff0c\u6211\u4eec\u70b9\u51fb\u7b2c\u4e00\u4e2a\u6309\u94ae\uff0c\u8ba9\u5217\u8868\u663e\u793a\uff0c\u9f20\u6807\u518d\u7ecf\u8fc7\u7b2c2\u4e2a\u6309\u94ae\u7684\u65f6\u5019\uff0c\u7b2c\u4e00\u4e2a\u5217\u8868\u5e76\u672a\u9690\u85cf\uff0c\u5982\u4e0b\u622a\u56fe\u6240\u793a\uff1a<\/p>\n
\"\u4ea4\u4e92\u6548\u679c\u622a\u56fe\"<\/p>\n
\u5982\u679c<div id=\"hint\" popover=\"hint\"><\/code>\u8fd9\u6bb5HTML\u4ee3\u7801\u662f<div id=\"hint\" popover><\/code>\uff0c\u90a3\u4e48\u9f20\u6807hover\u95ee\u53f7\u6309\u94ae\u7684\u65f6\u5019\uff0c\u524d\u9762\u7684\u4e0b\u62c9\u5217\u8868\u5c31\u4f1a\u9690\u85cf\u3002<\/p>\n
\u5982\u4e0bGIF\u5f55\u5c4f\u793a\u610f\uff1a<\/p>\n
\"auto\u4f1a\u81ea\u5b9a\u9690\u85cf\u4e4b\u524d\u7684\u5f39\u51fa\u5c42\"<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u70b9\u51fb\u884c\u4e3a\uff0c\u54ea\u6015\u6d6e\u5c42\u8bbe\u7f6e\u7684\u662fpopover=\"hint\"<\/code>\uff0c\u90a3\u4e48\u5148\u524d\u6240\u6709popover=\"auto\"<\/code>\u7684\u6d6e\u5c42\u90fd\u4f1a\u9690\u85cf\u3002<\/p>\n
\u503chint<\/code>\u9002\u5408\u7528\u5728\u9f20\u6807\u60ac\u505c\uff0cfocus\/blur\u7b49\u4e8b\u4ef6\u4e2d\uff0c\u6216\u8005\u76f4\u63a5JS\u89e6\u53d1\u7684\u8f7b\u63d0\u793a\u73af\u5883\uff0c\u7c7b\u4f3c\u4e8etoast\u63d0\u793a\u6548\u679c\u8fd9\u79cd\u3002<\/p>\n
\u4e09\u3001popover\u5c5e\u6027\u503c\u542b\u4e49<\/h3>\n
popover<\/code>\u5c5e\u6027\u76ee\u524d\u652f\u63013\u4e2a\u503c\uff1a<\/p>\n
\n
auto<\/strong><\/dt>\n
\u9ed8\u8ba4\u503c\u3002\u6d6e\u5c42\u5728\u70b9\u51fb\u7684\u65f6\u5019\uff0c\u6216\u8005\u51fa\u73b0\u5176\u4ed6 auto \u7c7b\u578b\u7684\u6d6e\u5c42\u7684\u65f6\u5019\u81ea\u52a8\u5173\u95ed\u3002<\/dd>\n
hint<\/strong><\/dt>\n
\u6700\u65b0\u652f\u6301\u7684\u503c\u3002\u975e\u70b9\u51fb\u884c\u4e3a\u89e6\u53d1\u7684\u6d6e\u5c42\u663e\u793a\uff0c\u4e0d\u4f1a\u5173\u95ed\u4e4b\u524d auto \u7c7b\u578b\u7684\u6d6e\u5c42\uff0c\u4f46\u662f\u4f1a\u5173\u95ed\u5176\u4ed6 hint \u7c7b\u578b\u7684\u6d6e\u5c42\u3002<\/dd>\n
manual<\/strong><\/dt>\n
\u624b\u52a8\u6d6e\u5c42\u3002\u4e5f\u5c31\u662f\u6d6e\u5c42\u7684\u5173\u95ed\u9700\u8981\u5f00\u53d1\u8005\u6216\u8005\u7528\u6237\u624b\u52a8\u89e6\u53d1\u3002\u6b64\u503c\u548cauto\u540c\u4e00\u65f6\u95f4\u652f\u6301\u7684\u3002<\/dd>\n<\/dl>\n
hint<\/code>\u503c\u7684\u51fa\u73b0\u7b97\u662f\u8865\u5145\u4e86\u67d0\u4e00\u7c7b\u4ea4\u4e92\u573a\u666f\u7684\u5b9e\u73b0\u3002<\/p>\n
\u56db\u3001\u7ed3\u8bed<\/h3>\n
popover=hint<\/code> \u586b\u8865\u4e86\u8f7b\u91cf\u7ea7\u63d0\u793a\u4e0e\u6a21\u6001\u5f39\u7a97\u95f4\u7684\u9700\u6c42\u7a7a\u767d\uff0c\u5c24\u5176\u9002\u5408\u9700\u975e\u6253\u65ad\u6027\u8f85\u52a9\u4fe1\u606f\u7684\u573a\u666f\u3002\u5f00\u53d1\u8005\u53ef\u901a\u8fc7\u5b83\u51cf\u5c11\u4f20\u7edf\u5de5\u5177\u63d0\u793a\u5e93\u7684\u4f9d\u8d56\uff0c\u4f46\u9700\u6ce8\u610f\u6e10\u8fdb\u589e\u5f3a\u7b56\u7565\u4ee5\u517c\u5bb9\u65e7\u6d4f\u89c8\u5668\u3002<\/p>\n
\u597d\u4e86\uff0c\u5c31\u8fd9\u4e9b\u3002<\/p>\n
\u6700\u540e\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u672c\u6587\u5185\u5bb9\u8fd8\u4e0d\u9519\uff0c\u770b\u5728\u6211\u5bb6\u5b8b\u7389\u957f\u8001\u7684\u9762\u5b50\u4e0a\uff0c\u8f6c\u53d1\uff0c\u5206\u4eab\uff0c\u70b9\u8d5e\uff01<\/p>\n
\"\u5b8b\u7389\u957f\u8001\"<\/p>\n
\ud83d\ude09\ud83d\ude0a\ud83d\ude07
\n\ud83e\udd70\ud83d\ude0d\ud83d\ude18<\/p>\n
\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
\n\u672c\u6587\u5730\u5740\uff1ahttps:\/\/www.zhangxinxu.com\/wordpress\/?p=11801<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
\"popover<\/p>\n
HTML popover\u5c5e\u6027\u65b0\u7279\u6027\u4e4bhint\u503c\uff0c\u586b\u8865\u4e86\u8f7b\u91cf\u7ea7\u63d0\u793a\u4e0e\u6a21\u6001\u5f39\u7a97\u95f4\u7684\u9700\u6c42\u7a7a\u767d\uff0c\u9002\u5408\u9700\u975e\u6253\u65ad\u6027\u8f85\u52a9\u4fe1\u606f\u7684\u573a\u666f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1097],"tags":[2072,422,550,2070,2071,1935,1952,2073,1975],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11801"}],"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=11801"}],"version-history":[{"count":6,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11801\/revisions"}],"predecessor-version":[{"id":11813,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11801\/revisions\/11813"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}