{"id":52835,"date":"2024-12-03T11:26:45","date_gmt":"2024-12-03T03:26:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52835\/"},"modified":"2024-12-03T11:26:45","modified_gmt":"2024-12-03T03:26:45","slug":"%e5%a6%82%e4%bd%95%e7%94%a8-javascript-%e5%88%a4%e6%96%ad%e6%b5%8f%e8%a7%88%e5%99%a8%e6%98%af%e5%90%a6%e5%a4%84%e4%ba%8e%e5%bd%93%e5%89%8d%e6%b4%bb%e5%8a%a8%e7%aa%97%e5%8f%a3%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52835\/","title":{"rendered":"\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241123\/17323632626741c3fe5d8b1.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7528 javascript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3<\/strong><\/p>\n<p>javascript \u4e2d\uff0c\u6ca1\u6709\u76f4\u63a5\u7684\u65b9\u6cd5\u53ef\u4ee5\u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u4f30\u7b97\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff1a<\/p>\n<ol>\n<li><strong>visibilitychange \u4e8b\u4ef6<\/strong>\uff1a\u6b64\u4e8b\u4ef6\u5728\u6807\u7b7e\u7684\u53ef\u89c1\u6027\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u89e6\u53d1\u3002\u5f53\u7528\u6237\u5207\u6362\u5230\u5176\u4ed6\u7a97\u53e3\u6216\u9009\u9879\u5361\u65f6\uff0c\u6807\u7b7e\u7684\u53ef\u89c1\u6027\u72b6\u6001\u5c06\u53d8\u4e3a &#8220;hidden&#8221;\u3002<\/li>\n<li><strong>focus \u4e8b\u4ef6<\/strong>\uff1a\u6b64\u4e8b\u4ef6\u5728\u67d0\u4e2a\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u65f6\u89e6\u53d1\u3002\u60a8\u53ef\u4ee5\u5c06\u6b64\u4e8b\u4ef6\u5206\u914d\u7ed9\u9875\u9762\u4e0a\u7684\u8f93\u5165\u5b57\u6bb5\u6216\u5176\u4ed6\u5143\u7d20\uff0c\u4ee5\u68c0\u6d4b\u7528\u6237\u662f\u5426\u4e0e\u8be5\u9875\u9762\u8fdb\u884c\u4ea4\u4e92\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u7ed3\u5408 visibilitychange \u4e8b\u4ef6\u548c focus \u4e8b\u4ef6\uff0c\u60a8\u53ef\u4ee5\u5927\u81f4\u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff1a<\/p>\n<pre>window.addEventListener('visibilitychange', () =&gt; {\n  if (document.visibilityState === \"hidden\") {\n    \/\/ \u6807\u7b7e\u5df2\u9690\u85cf\n  }\n});\n\nconst input = document.querySelector('input');\n\ninput.addEventListener('focus', () =&gt; {\n  \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u83b7\u53d6\u7126\u70b9\n});\n\ninput.addEventListener('blur', () =&gt; {\n  \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u5931\u53bb\u7126\u70b9\n});<\/pre>\n<p>\u6b64\u65b9\u6cd5\u5e76\u4e0d\u662f 100% \u51c6\u786e\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7528\u6237\u6253\u5f00\u4e86\u591a\u4e2a\u6807\u7b7e\uff0c\u5e76\u4e14\u6d4f\u89c8\u5668\u5904\u4e8e\u540e\u53f0\uff0c\u90a3\u4e48 visibilitychange \u4e8b\u4ef6\u5c06\u89e6\u53d1\uff0c\u4f46\u7126\u70b9\u4e8b\u4ef6\u53ef\u80fd\u4e0d\u4f1a\u89e6\u53d1\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   Windows7\u684c\u9762\u65f6\u949f\u5982\u4f55\u6dfb\u52a0\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f \u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002 \u5982\u4f55\u7528 javascript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3 javascript \u4e2d\uff0c\u6ca1\u6709\u76f4\u63a5\u7684\u65b9\u6cd5\u53ef\u4ee5\u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u4f30\u7b97\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff1a visibilitychange \u4e8b\u4ef6\uff1a\u6b64\u4e8b\u4ef6\u5728\u6807\u7b7e\u7684\u53ef\u89c1\u6027\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u89e6\u53d1\u3002\u5f53\u7528\u6237\u5207\u6362\u5230\u5176\u4ed6\u7a97\u53e3\u6216\u9009\u9879\u5361\u65f6\uff0c\u6807\u7b7e\u7684\u53ef\u89c1\u6027\u72b6\u6001\u5c06\u53d8\u4e3a &#8220;hidden&#8221;\u3002 focus \u4e8b\u4ef6\uff1a\u6b64\u4e8b\u4ef6\u5728\u67d0\u4e2a\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u65f6\u89e6\u53d1\u3002\u60a8\u53ef\u4ee5\u5c06\u6b64\u4e8b\u4ef6\u5206\u914d\u7ed9\u9875\u9762\u4e0a\u7684\u8f93\u5165\u5b57\u6bb5\u6216\u5176\u4ed6\u5143\u7d20\uff0c\u4ee5\u68c0\u6d4b\u7528\u6237\u662f\u5426\u4e0e\u8be5\u9875\u9762\u8fdb\u884c\u4ea4\u4e92\u3002 \u901a\u8fc7\u7ed3\u5408 visibilitychange \u4e8b\u4ef6\u548c focus \u4e8b\u4ef6\uff0c\u60a8\u53ef\u4ee5\u5927\u81f4\u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff1a window.addEventListener(&#8216;visibilitychange&#8217;, () =&gt; { if (document.visibilityState === &#8220;hidden&#8221;) { \/\/ \u6807\u7b7e\u5df2\u9690\u85cf } }); const input = document.querySelector(&#8216;input&#8217;); input.addEventListener(&#8216;focus&#8217;, () =&gt; { \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u83b7\u53d6\u7126\u70b9 }); input.addEventListener(&#8216;blur&#8217;, () =&gt; { \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u5931\u53bb\u7126\u70b9 }); \u6b64\u65b9\u6cd5\u5e76\u4e0d\u662f 100% [&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-52835","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52835","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=52835"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52835\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}