{"id":2933,"date":"2024-11-10T09:16:15","date_gmt":"2024-11-10T01:16:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2933\/"},"modified":"2024-11-10T09:16:15","modified_gmt":"2024-11-10T01:16:15","slug":"%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e4%b8%a4%e4%b8%aa%e5%b9%b3%e8%a1%8c%e7%9a%84dom%e6%98%af%e5%90%a6%e5%8c%85%e5%90%ab%e5%9c%a8%e5%8f%a6%e4%b8%80%e4%b8%aadom%e4%b8%ad%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2933\/","title":{"rendered":"\u5982\u4f55\u5224\u65ad\u4e24\u4e2a\u5e73\u884c\u7684DOM\u662f\u5426\u5305\u542b\u5728\u53e6\u4e00\u4e2aDOM\u4e2d\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173094332590037.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5224\u65ad\u4e24\u4e2a\u5e73\u884c\u7684DOM\u662f\u5426\u5305\u542b\u5728\u53e6\u4e00\u4e2aDOM\u4e2d\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5224\u65ad\u4e24\u4e2a\u5e73\u884c\u7684DOM\u662f\u5426\u5305\u542b\u5728\u53e6\u4e00\u4e2aDOM\u4e2d\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5224\u65ad\u4e24\u4e2a\u5e73\u884c\u7684dom\u662f\u5426\u5305\u542b<\/strong><\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5224\u65ad\u9ec4\u8272\u80cc\u666f\u6807\u8bb0(&#8220;.mark&#8221;)\u662f\u5426\u5305\u542b\u4e86\u4e09\u4e2a\u4e0d\u540c\u7684\u5143\u7d20(&#8220;.item1&#8221;, &#8220;.item2&#8221;, &#8220;.item3&#8221;)\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<pre>function isContained(element, container) {\n  const containerRect = container.getBoundingClientRect();\n  const elementRect = element.getBoundingClientRect();\n\n  return (\n    elementRect.top &gt;= containerRect.top &amp;&amp;\n    elementRect.left &gt;= containerRect.left &amp;&amp;\n    elementRect.bottom &lt;= containerRect.bottom &amp;&amp;\n    elementRect.right &lt;= containerRect.right\n  );\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u4f1a\u83b7\u53d6\u5bb9\u5668\u548c\u5143\u7d20\u7684\u77e9\u5f62\u8fb9\u754c\u6846\u4fe1\u606f\uff0c\u7136\u540e\u68c0\u67e5\u5143\u7d20\u7684\u8fb9\u754c\u6846\u662f\u5426\u5b8c\u5168\u5305\u542b\u5728\u5bb9\u5668\u7684\u8fb9\u754c\u6846\u4e2d\u3002\u5bf9\u4e8e\u793a\u4f8b\u4e2d\u7684\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u4f7f\u7528\u5b83\uff1a<\/p>\n<pre>const mark = document.querySelector(\".mark\");\nconst item1 = document.querySelector(\".item1\");\nconst item2 = document.querySelector(\".item2\");\nconst item3 = document.querySelector(\".item3\");\n\nconsole.log(\"Item 1 is contained:\", isContained(item1, mark)); \/\/ true\nconsole.log(\"Item 2 is contained:\", isContained(item2, mark)); \/\/ true\nconsole.log(\"Item 3 is contained:\", isContained(item3, mark)); \/\/ false<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5224\u65ad\u51fa.mark\u5305\u542b\u4e86.item1\u548c.item2\uff0c\u800c\u4e0d\u5305\u542b.item3\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5224\u65ad\u4e24\u4e2a\u5e73\u884c\u7684DOM\u662f\u5426\u5305\u542b\u5728\u53e6\u4e00\u4e2aDOM\u4e2d\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":"<p>\u5224\u65ad\u4e24\u4e2a\u5e73\u884c\u7684dom\u662f\u5426\u5305\u542b \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5224\u65ad\u9ec4\u8272\u80cc\u666f\u6807\u8bb0(&#8220;.mark&#8221;)\u662f\u5426\u5305\u542b\u4e86\u4e09\u4e2a\u4e0d\u540c\u7684\u5143\u7d20(&#8220;.item1&#8221;, &#8220;.item2&#8221;, &#8220;.item3&#8221;)\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a function isContained(element, container) { const containerRect = container.getBoundingClientRect(); const elementRect = element.getBoundingClientRect(); return ( elementRect.top &gt;= containerRect.top &amp;&amp; elementRect.left &gt;= containerRect.left &amp;&amp; elementRect.bottom &lt;= containerRect.bottom &amp;&amp; elementRect.right &lt;= containerRect.right ); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e2a\u51fd\u6570\u4f1a\u83b7\u53d6\u5bb9\u5668\u548c\u5143\u7d20\u7684\u77e9\u5f62\u8fb9\u754c\u6846\u4fe1\u606f\uff0c\u7136\u540e\u68c0\u67e5\u5143\u7d20\u7684\u8fb9\u754c\u6846\u662f\u5426\u5b8c\u5168\u5305\u542b\u5728\u5bb9\u5668\u7684\u8fb9\u754c\u6846\u4e2d\u3002\u5bf9\u4e8e\u793a\u4f8b\u4e2d\u7684\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u4f7f\u7528\u5b83\uff1a const mark = document.querySelector(&#8220;.mark&#8221;); const item1 = document.querySelector(&#8220;.item1&#8221;); const item2 = document.querySelector(&#8220;.item2&#8221;); const item3 = document.querySelector(&#8220;.item3&#8221;); console.log(&#8220;Item 1 [&hellip;]<\/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-2933","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2933","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=2933"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2933\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}