{"id":3611,"date":"2024-11-10T11:25:06","date_gmt":"2024-11-10T03:25:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3611\/"},"modified":"2024-11-10T11:25:06","modified_gmt":"2024-11-10T03:25:06","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","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3611\/","title":{"rendered":"\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\uff1f"},"content":{"rendered":"

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

\u5982\u4f55\u7528 javascript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3<\/strong><\/p>\n

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

    \n
  1. 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 “hidden”\u3002<\/li>\n
  2. 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

    \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

    window.addEventListener('visibilitychange', () => {\n  if (document.visibilityState === \"hidden\") {\n    \/\/ \u6807\u7b7e\u5df2\u9690\u85cf\n  }\n});\n\nconst input = document.querySelector('input');\n\ninput.addEventListener('focus', () => {\n  \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u83b7\u53d6\u7126\u70b9\n});\n\ninput.addEventListener('blur', () => {\n  \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u5931\u53bb\u7126\u70b9\n});<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \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
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u7528 JavaScript \u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u5904\u4e8e\u5f53\u524d\u6d3b\u52a8\u7a97\u53e3\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\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 “hidden”\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(‘visibilitychange’, () => { if (document.visibilityState === “hidden”) { \/\/ \u6807\u7b7e\u5df2\u9690\u85cf } }); const input = document.querySelector(‘input’); input.addEventListener(‘focus’, () => { \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u83b7\u53d6\u7126\u70b9 }); input.addEventListener(‘blur’, () => { \/\/ \u8f93\u5165\u5b57\u6bb5\u5df2\u5931\u53bb\u7126\u70b9 }); \u767b\u5f55\u540e\u590d\u5236 \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 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u7528 JavaScript […]<\/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-3611","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3611","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=3611"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3611\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}