First, it would complicate your code because you would have to manage a pool and track the life cycle of the XHR instances.
首先，它将使代码变得复杂，因为您将不得不进行池的管理，也不得不跟踪xhr实例的生命周期。
2
Track claims throughout the claim life cycle.
在整个索赔生命周期中跟踪索赔。
3
If issued at regular intervals during a normal production or test cycle, you can capture and track the number of messages that have been processed during that interval and the queue high depth.