visibility API-阿里云

Page Visibility API（页面是否可见）

1.什么是 Page Visibility ？顾名思义这是一个页面可见性API。简单的说，浏览器标签页被隐藏或显示的时候会触发visibilitychange事件。这是HTML5新提供的一个api，作用是记录当前标签页在浏览器中的激活状态。所谓“激活状态”指当前标签是否正在被用户浏览。我们...

页面可见性（Page Visibility）API 可以有哪些用途？

体验-K8S API 基础及Pod 基本应用

1 课时 |

948 人已学 |

加入学习

使用 Page Visibility API ，让网站更友好

我们可能都有这样的经历：打开一个浏览器，加载之前打开的所有标签页，听到几个页面发出的混合在一起的声音。虽然浏览器通过标签的声音图标、插件等方法告知用户发声的页面，但这种体验还是很糟糕。作为开发者和设计者，我们有责任让网站更受欢迎。网站是不是应该在被激活使用时才能发出声音？为什么我们要浪费资源和进程在...

共有3条

< 1 >

跳转至： GO

更新时间 2024-02-27 09:08:18

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","icon":"E2","iconImg":"https://img.alicdn.com/imgextra/i1/O1CN010nAnKU1uHXx2sxwSw_!!6000000006012-2-tps-296-236.png","contentLink":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","title":"云控制 API","des":"云控制 API 是一款免费的OpenAPI开发者工具套件。让开发者能够使用一致的OpenAPI和一个开发者工具包来管理和集成阿里云上百款产品。","link1":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","btn1":"查看详情","link2":"https://help.aliyun.com/document_detail/471173.html","btn2":"产品文档","btn3":"","link3":"","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentName":"产品简介","firstContentLink":"https://help.aliyun.com/document_detail/471173.html","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/471945.html"}},{"infoName":"开发指南","infoContent":{"firstContentName":"开发参考","firstContentLink":"https://help.aliyun.com/document_detail/470918.html","lastContentName":"故障排除","lastContentLink":"https://help.aliyun.com/document_detail/471801.html"}}]}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"云控制 API","subtitle":"云控制 API 是一款免费的OpenAPI开发者工具套件。让开发者能够使用一致的OpenAPI和一个开发者工具包来管理和集成阿里云上百款产品。","linkUrl":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/imgextra/i1/O1CN01Esi36g20FbySg4xdb_!!6000000006820-2-tps-3840-740.png","icon":"https://img.alicdn.com/imgextra/i1/O1CN010nAnKU1uHXx2sxwSw_!!6000000006012-2-tps-296-236.png","textColor":"dark"},"dataList":[],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","icon":"E2","iconImg":"https://img.alicdn.com/imgextra/i1/O1CN010nAnKU1uHXx2sxwSw_!!6000000006012-2-tps-296-236.png","contentLink":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","title":"云控制 API","des":"云控制 API 是一款免费的OpenAPI开发者工具套件。让开发者能够使用一致的OpenAPI和一个开发者工具包来管理和集成阿里云上百款产品。","link1":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","btn1":"查看详情","link2":"https://help.aliyun.com/document_detail/471173.html","btn2":"产品文档","btn3":"","link3":"","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentName":"产品简介","firstContentLink":"https://help.aliyun.com/document_detail/471173.html","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/471945.html"}},{"infoName":"开发指南","infoContent":{"firstContentName":"开发参考","firstContentLink":"https://help.aliyun.com/document_detail/470918.html","lastContentName":"故障排除","lastContentLink":"https://help.aliyun.com/document_detail/471801.html"}}]}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"云控制 API","subtitle":"云控制 API 是一款免费的OpenAPI开发者工具套件。让开发者能够使用一致的OpenAPI和一个开发者工具包来管理和集成阿里云上百款产品。","linkUrl":"https://www.aliyun.com/product/developerservices/cloudcontrol?spm=5176.20960838.0.0.7171305eFbhzf3","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/imgextra/i1/O1CN01Esi36g20FbySg4xdb_!!6000000006820-2-tps-3840-740.png","icon":"https://img.alicdn.com/imgextra/i1/O1CN010nAnKU1uHXx2sxwSw_!!6000000006012-2-tps-296-236.png","textColor":"dark"},"dataList":[],"sceneCard":[],"txt":[]}}