{"id":25997,"date":"2024-11-24T09:07:03","date_gmt":"2024-11-24T01:07:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25997\/"},"modified":"2024-11-24T09:07:03","modified_gmt":"2024-11-24T01:07:03","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-javascript-%e5%ae%9e%e7%8e%b0%e7%b1%bb%e4%bc%bc-css-sticky-%e7%9a%84%e6%95%88%e6%9e%9c%ef%bc%8c%e8%ae%a9%e5%8f%b3%e4%be%a7%e9%9d%a2%e6%9d%bf%e5%9c%a8%e4%b8%8d-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25997\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 JavaScript \u5b9e\u73b0\u7c7b\u4f3c CSS Sticky \u7684\u6548\u679c\uff0c\u8ba9\u53f3\u4fa7\u9762\u677f\u5728\u4e0d\u540c\u5185\u5bb9\u9ad8\u5ea6\u4e0b\u90fd\u80fd\u5b8c\u6574\u663e\u793a\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

\u5982\u4f55\u4f7f\u7528 javascript \u5b9e\u73b0 \u7684 sticky \u6548\u679c\uff1f<\/p>\n

\u5728\u9875\u9762\u4e0a\u6709\u4e00\u4e2a\u5de6\u4fa7\u56fa\u5b9a\u5bbd\u5ea6\u7684\u5185\u5bb9\u533a\u57df\u548c\u4e00\u4e2a\u53f3\u4fa7\u5e26\u6709\u6eda\u52a8\u6761\u7684\u5185\u5bb9\u533a\u57df\uff0c\u53f3\u4fa7\u533a\u57df\u4f7f\u7528\u4e86 css sticky \u5c5e\u6027\u3002\u6d4b\u8bd5\u53d1\u73b0\uff0c\u5f53\u53f3\u4fa7\u9762\u677f\u7684\u5185\u5bb9\u9ad8\u5ea6\u5927\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u65f6\uff0c\u5728\u6eda\u52a8\u6761\u6ed1\u52a8\u5230\u5185\u5bb9\u5e95\u90e8\u540e\uff0c\u53f3\u4fa7\u9762\u677f\u4f1a\u8ddf\u968f\u6eda\u52a8\u6761\u7ee7\u7eed\u6eda\u52a8\uff0c\u76f4\u81f3\u5185\u5bb9\u5168\u90e8\u663e\u793a\u3002<\/p>\n

\u5982\u679c\u4ec5\u4f7f\u7528 css \u6837\u5f0f\uff0c\u53f3\u4fa7\u9762\u677f\u5728\u7a97\u53e3\u9ad8\u5ea6\u5c0f\u4e8e\u5176\u5185\u5bb9\u9ad8\u5ea6\u65f6\u4f1a\u51fa\u73b0\u90e8\u5206\u5185\u5bb9\u4e0d\u53ef\u89c1\u7684\u60c5\u51b5\u3002\u90a3\u4e48\uff0c\u5982\u4f55\u5728 javascript \u4e2d\u5b9e\u73b0\u7c7b\u4f3c sticky \u7684\u6548\u679c\uff0c\u8ba9\u53f3\u4fa7\u9762\u677f\u5728\u5185\u5bb9\u9ad8\u5ea6\u5c0f\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u65f6\u4e0e\u7a97\u53e3\u5e95\u90e8\u5bf9\u9f50\uff0c\u4e14\u5728\u5185\u5bb9\u9ad8\u5ea6\u5927\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u65f6\u968f\u7740\u6eda\u52a8\u6761\u79fb\u52a8\uff0c\u76f4\u81f3\u5168\u90e8\u5185\u5bb9\u53ef\u89c1\uff1f<\/p>\n

\u4f7f\u7528 readyjs \u53ef\u4ee5\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \u4e3a\u53f3\u4fa7\u9762\u677f\u6dfb\u52a0\u4e00\u4e2a “sticky” \u7c7b\u540d\u3002<\/li>\n
  2. \u5728\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u540e\uff0c\u6267\u884c\u4ee5\u4e0b javascript \u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
    const stickyelement = document.queryselector('.sticky');\n\nwindow.addeventlistener('scroll', () => {\n  const scrolltop = window.pageyoffset;\n  const elementtop = stickyelement.getboundingclientrect().top;\n  if (scrolltop > elementtop) {\n    stickyelement.classlist.add('sticky-active');\n  } else {\n    stickyelement.classlist.remove('sticky-active');\n  }\n});<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. \u4e3a “sticky” \u7c7b\u540d\u6dfb\u52a0\u4ee5\u4e0b css \u6837\u5f0f\uff1a<\/li>\n<\/ol>\n
      .sticky {\n  position: -webkit-sticky;\n  position: sticky;\n  top: 0;\n}\n\n.sticky-active {\n  position: fixed;\n  top: 0;\n  width: 100%;\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u8fd9\u4e2a\u5b9e\u73b0\u4e2d\uff0c\u5f53\u6eda\u52a8\u6761\u5411\u4e0b\u6eda\u52a8\uff0c\u53f3\u4fa7\u9762\u677f\u9876\u7aef\u4e0e\u6d4f\u89c8\u5668\u7a97\u53e3\u9876\u90e8\u5bf9\u9f50\u65f6\uff0c\u4f1a\u4e3a\u53f3\u4fa7\u9762\u677f\u6dfb\u52a0 “sticky-active” \u7c7b\u540d\uff0c\u4f7f\u5176\u8ddf\u968f\u6eda\u52a8\u6761\u79fb\u52a8\uff1b\u5f53\u6eda\u52a8\u6761\u5411\u4e0a\u6eda\u52a8\uff0c\u53f3\u4fa7\u9762\u677f\u9876\u7aef\u9ad8\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u9876\u90e8\u65f6\uff0c\u4f1a\u79fb\u9664 “sticky-active” \u7c7b\u540d\uff0c\u6062\u590d\u539f\u59cb\u4f4d\u7f6e\u3002<\/p>\n
      \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u5b9e\u73b0\u7c7b\u4f3c CSS Sticky \u7684\u6548\u679c\uff0c\u8ba9\u53f3\u4fa7\u9762\u677f\u5728\u4e0d\u540c\u5185\u5bb9\u9ad8\u5ea6\u4e0b\u90fd\u80fd\u5b8c\u6574\u663e\u793a\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5982\u4f55\u4f7f\u7528 javascript \u5b9e\u73b0 \u7684 sticky \u6548\u679c\uff1f \u5728\u9875\u9762\u4e0a\u6709\u4e00\u4e2a\u5de6\u4fa7\u56fa\u5b9a\u5bbd\u5ea6\u7684\u5185\u5bb9\u533a\u57df\u548c\u4e00\u4e2a\u53f3\u4fa7\u5e26\u6709\u6eda\u52a8\u6761\u7684\u5185\u5bb9\u533a\u57df\uff0c\u53f3\u4fa7\u533a\u57df\u4f7f\u7528\u4e86 css sticky \u5c5e\u6027\u3002\u6d4b\u8bd5\u53d1\u73b0\uff0c\u5f53\u53f3\u4fa7\u9762\u677f\u7684\u5185\u5bb9\u9ad8\u5ea6\u5927\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u65f6\uff0c\u5728\u6eda\u52a8\u6761\u6ed1\u52a8\u5230\u5185\u5bb9\u5e95\u90e8\u540e\uff0c\u53f3\u4fa7\u9762\u677f\u4f1a\u8ddf\u968f\u6eda\u52a8\u6761\u7ee7\u7eed\u6eda\u52a8\uff0c\u76f4\u81f3\u5185\u5bb9\u5168\u90e8\u663e\u793a\u3002 \u5982\u679c\u4ec5\u4f7f\u7528 css \u6837\u5f0f\uff0c\u53f3\u4fa7\u9762\u677f\u5728\u7a97\u53e3\u9ad8\u5ea6\u5c0f\u4e8e\u5176\u5185\u5bb9\u9ad8\u5ea6\u65f6\u4f1a\u51fa\u73b0\u90e8\u5206\u5185\u5bb9\u4e0d\u53ef\u89c1\u7684\u60c5\u51b5\u3002\u90a3\u4e48\uff0c\u5982\u4f55\u5728 javascript \u4e2d\u5b9e\u73b0\u7c7b\u4f3c sticky \u7684\u6548\u679c\uff0c\u8ba9\u53f3\u4fa7\u9762\u677f\u5728\u5185\u5bb9\u9ad8\u5ea6\u5c0f\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u65f6\u4e0e\u7a97\u53e3\u5e95\u90e8\u5bf9\u9f50\uff0c\u4e14\u5728\u5185\u5bb9\u9ad8\u5ea6\u5927\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3\u65f6\u968f\u7740\u6eda\u52a8\u6761\u79fb\u52a8\uff0c\u76f4\u81f3\u5168\u90e8\u5185\u5bb9\u53ef\u89c1\uff1f \u4f7f\u7528 readyjs \u53ef\u4ee5\u5b9e\u73b0\u5982\u4e0b\uff1a \u4e3a\u53f3\u4fa7\u9762\u677f\u6dfb\u52a0\u4e00\u4e2a “sticky” \u7c7b\u540d\u3002 \u5728\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u540e\uff0c\u6267\u884c\u4ee5\u4e0b javascript \u4ee3\u7801\uff1a const stickyelement = document.queryselector(‘.sticky’); window.addeventlistener(‘scroll’, () => { const scrolltop = window.pageyoffset; const elementtop = stickyelement.getboundingclientrect().top; if (scrolltop > elementtop) { stickyelement.classlist.add(‘sticky-active’); } else { stickyelement.classlist.remove(‘sticky-active’); } }); \u767b\u5f55\u540e\u590d\u5236 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-25997","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=25997"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25997\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}