Explain Wait for multiple non nested callbacks?Ask Questions

 Posted on 11/07/2018 2:53:37 PM

Say I have two (or more) asynchronous operations option1 and option2 that call a callback function upon completion. How do I best wait for both to complete before starting option3?
I am not able to nest them inside of each other (i.e. first starting option1, then starting option2 inside of option1callback())
(I of course also do not know which of these is going to complete first, but that doesn't really matter I guess)

function option1callback {
function option2callback {
function option3 {
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Asked by Hardik Bera on 11/07/2018 2:53:37 PM Score: 375 points
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