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Under what circumstances does the browser generate the FireIdleCallback events
When I visit http://www.baidu.com (like bing) , the browser(MSEdge for chromium) will generate FireIdleCallback event, see log: [System] Chrome Event: FireIdleCallback (Complete) FireIdleCallback, C...
Well as implemented in WebIDL's 'requestIdleCallback' polls a function in the queue to be called.
This leads to 'Fire Idle Callback'; firing (Executing) it later, this one is internal to the browser.
You can read more about it here:
https://developers.google.com/web/updates/2015/08/using-requestidlecallback
https://developers.google.com/web/updates/2015/08/using-requestidlecallback
HotCakeX thanks for your reply, but I think there are difference between fireidlecallback and requestidlecallback.
Well as implemented in WebIDL's 'requestIdleCallback' polls a function in the queue to be called.
This leads to 'Fire Idle Callback'; firing (Executing) it later, this one is internal to the browser.