如何强制Chromium浏览器在后台执行setInterval/setTimeout？

问题描述 #

即使标签页未休眠，setTimeout/setInterval代码在Chrome/Edge后台标签页中最终会被严重节流，执行间隔逐渐变长直至基本停止。原本设定每秒执行一次的任务，日志显示间隔从几秒逐渐拉长到数分钟：

Took 1.6927670464932056 time to execute at Tue Mar 07 2023 15:03:26 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.6322318190016232 time to execute at Tue Mar 07 2023 15:03:29 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.6322318190016232 time to execute at Tue Mar 07 2023 15:03:29 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.5268028376189324 time to execute at Tue Mar 07 2023 15:03:31 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.5268028376189324 time to execute at Tue Mar 07 2023 15:03:31 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4788079994765282 time to execute at Tue Mar 07 2023 15:03:34 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4788079994765282 time to execute at Tue Mar 07 2023 15:03:34 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4304450467780012 time to execute at Tue Mar 07 2023 15:03:36 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4304450467780012 time to execute at Tue Mar 07 2023 15:03:36 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4040571259142123 time to execute at Tue Mar 07 2023 15:03:46 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4040571259142123 time to execute at Tue Mar 07 2023 15:03:46 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.428811537802659 time to execute at Tue Mar 07 2023 15:07:16 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.428811537802659 time to execute at Tue Mar 07 2023 15:07:16 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4115845539280958 time to execute at Tue Mar 07 2023 15:10:16 GMT-0700 (Mountain Standard Time)
main-loop.service.ts:191 Took 1.4115845539280958 time to execute at Tue Mar 07 2023 15:10:16 GMT-0700 (Mountain Standard Time)

该场景是一款需要后台运行的游戏，可接受约15秒的执行间隔（此间隔在Firefox中正常），但无法接受Chrome/Edge的3分钟节流间隔。

有效解决方法 #

添加非零音量的背景音乐，用户可手动静音标签页，此时后台任务仍能正常执行，不会被浏览器节流。

内容的提问来源于stack exchange，提问作者Dyllon Gagnier