javascript - All promises return to resolved status. Why is promise.all still not executed?

Question

I think it may be because I defined getData globally, so the promise cannot get the status.
Otherwise, why are the functions in the failure state of promise.all not executed?
I hope Daniel can help me answer this question.

巴扎黑 · Answer

Because every time the Jsonp function is executed, your window.getData will be redefined and assigned a value