{"id":53242,"date":"2024-12-03T17:37:10","date_gmt":"2024-12-03T09:37:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53242\/"},"modified":"2024-12-03T17:37:10","modified_gmt":"2024-12-03T09:37:10","slug":"javascript-%e4%b8%ad%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e7%a6%bb%e5%bc%80%e9%a1%b5%e9%9d%a2%e5%90%8e%e5%ae%9a%e6%97%b6%e5%99%a8%e5%af%bc%e8%87%b4-div-%e5%8a%a0%e9%80%9f%e8%bd%ac%e5%8a%a8%e7%9a%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53242\/","title":{"rendered":"JavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>JavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241128\/173277186067480014db2cd.jpg\" class=\"aligncenter\" title=\"JavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f\u63d2\u56fe\" alt=\"JavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u79bb\u5f00\u5f53\u524d\u9875\u9762\u540e\uff0c\u5b9a\u65f6\u5668\u63a7\u5236\u4e0b\u7684 div \u52a0\u901f\u8f6c\u52a8\uff0c\u6062\u590d\u540e\u6062\u590d\u5300\u901f<\/strong><\/p>\n<p>\u5728 javascript \u4e2d\uff0c\u5b9a\u65f6\u5668\u7528\u6765\u5728\u6307\u5b9a\u65f6\u95f4\u95f4\u9694\u6267\u884c\u4ee3\u7801\u5757\u3002\u5728\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u5b9a\u65f6\u5668\u88ab\u7528\u6765\u8ba9\u4e00\u4e2a div \u5143\u7d20\u5728\u9875\u9762\u4e0a\u4ee5\u5300\u901f\u65cb\u8f6c\u3002\u4f46\u662f\uff0c\u5f53\u7528\u6237\u79bb\u5f00\u5f53\u524d\u9875\u9762\u65f6\uff0c\u5b9a\u65f6\u5668\u4e0d\u4f1a\u88ab\u6e05\u9664\uff0c\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u68c0\u6d4b\u9875\u9762\u662f\u5426\u5728\u6d4f\u89c8\u5668\u7684\u5f53\u524d\u9009\u9879\u5361\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528 document.hidden \u5c5e\u6027\u6765\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u5f53\u7528\u6237\u79bb\u5f00\u5f53\u524d\u9875\u9762\u65f6\uff0cdocument.hidden \u7684\u503c\u4e3a true\uff0c\u5426\u5219\u4e3a false\u3002<\/p>\n<p><strong>\u4e0d\u8003\u8651\u517c\u5bb9\u6027<\/strong><\/p>\n<p>\u5982\u679c\u4e0d\u8003\u8651\u517c\u5bb9\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>document.addeventlistener(\"visibilitychange\", function () {\n  if (!document.hidden) {\n    \/\/ \u5904\u4e8e\u5f53\u524d\u9875\u9762\n    timer = setinterval(() =&gt; {\n      rotate();\n    }, 1000);\n    console.log('active');\n  } else {\n    clearinterval(timer);\n    console.log('hidden');\n  }\n});<\/pre>\n<p><strong>\u8003\u8651\u517c\u5bb9\u6027<\/strong><\/p>\n<p>\u5982\u679c\u9700\u8981\u8003\u8651\u517c\u5bb9\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>var hiddenProperty = 'hidden' in document ? 'hidden' :\n  'webkitHidden' in document ? 'webkitHidden' :\n    'mozHidden' in document ? 'mozHidden' :\n      null;\nvar visibilityChangeEvent = hiddenProperty.replace(\/hidden\/i, 'visibilitychange');\nvar onVisibilityChange = function () {\n  if (!document[hiddenProperty]) {\n    rotate(); \/\/ \u65e0\u95f4\u9699\u65cb\u8f6c\n    timer = setInterval(() =&gt; {\n      rotate();\n    }, 1000);\n    console.log(hiddenProperty);\n  } else {\n    clearInterval(timer)\n    timer\n  }\n}\ndocument.addEventListener(visibilityChangeEvent, onVisibilityChange);<\/pre>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u79d1\u5927\u8baf\u98de AI \u603b\u90e8\u56ed\u533a\u5728\u5408\u80a5\u542f\u7528\uff1a\u7b97\u6cd5\u4f18\u5316\u73ed\u8f66\u7ebf\u8def\uff0c\u673a\u5668\u4eba\u9001\u9910\u81f3\u529e\u516c\u533a\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\u300aJavaScript \u4e2d\u5982\u4f55\u89e3\u51b3\u79bb\u5f00\u9875\u9762\u540e\u5b9a\u65f6\u5668\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u7684\u95ee\u9898\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01 \u79bb\u5f00\u5f53\u524d\u9875\u9762\u540e\uff0c\u5b9a\u65f6\u5668\u63a7\u5236\u4e0b\u7684 div \u52a0\u901f\u8f6c\u52a8\uff0c\u6062\u590d\u540e\u6062\u590d\u5300\u901f \u5728 javascript \u4e2d\uff0c\u5b9a\u65f6\u5668\u7528\u6765\u5728\u6307\u5b9a\u65f6\u95f4\u95f4\u9694\u6267\u884c\u4ee3\u7801\u5757\u3002\u5728\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u5b9a\u65f6\u5668\u88ab\u7528\u6765\u8ba9\u4e00\u4e2a div \u5143\u7d20\u5728\u9875\u9762\u4e0a\u4ee5\u5300\u901f\u65cb\u8f6c\u3002\u4f46\u662f\uff0c\u5f53\u7528\u6237\u79bb\u5f00\u5f53\u524d\u9875\u9762\u65f6\uff0c\u5b9a\u65f6\u5668\u4e0d\u4f1a\u88ab\u6e05\u9664\uff0c\u5bfc\u81f4 div \u52a0\u901f\u8f6c\u52a8\u3002 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u68c0\u6d4b\u9875\u9762\u662f\u5426\u5728\u6d4f\u89c8\u5668\u7684\u5f53\u524d\u9009\u9879\u5361\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528 document.hidden \u5c5e\u6027\u6765\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u5f53\u7528\u6237\u79bb\u5f00\u5f53\u524d\u9875\u9762\u65f6\uff0cdocument.hidden \u7684\u503c\u4e3a true\uff0c\u5426\u5219\u4e3a false\u3002 \u4e0d\u8003\u8651\u517c\u5bb9\u6027 \u5982\u679c\u4e0d\u8003\u8651\u517c\u5bb9\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a document.addeventlistener(&#8220;visibilitychange&#8221;, function () { if (!document.hidden) { \/\/ \u5904\u4e8e\u5f53\u524d\u9875\u9762 timer = setinterval(() =&gt; { rotate(); }, 1000); console.log(&#8216;active&#8217;); } else { clearinterval(timer); console.log(&#8216;hidden&#8217;); } }); \u8003\u8651\u517c\u5bb9\u6027 \u5982\u679c\u9700\u8981\u8003\u8651\u517c\u5bb9\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a var hiddenProperty [&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-53242","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53242","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=53242"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53242\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}