Top level Function calls in Chrome Flame charts

I'm looking at a flame chart of my Angular application. I understand most of it, there are top level XHRs, SetTimeouts,Parse, GC, Script evaluation etc. But there are a few top level 'Function calls', (They seem to be coming from Zone.JS globalZoneAwareCallback.

Any idea how functions get triggered at the top of the call stack like this?

链接地址: http://www.djcxy.com/p/71700.html

上一篇: 如何防止锚标签默认？

下一篇: Chrome火焰图中的顶级函数调用