This might seem a silly question but i am a newbie in this topic. The promise.all will only resolve once all promises in its array have resolved. If x is a thenable, it attempts to.
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.then(x => result1 = x); (js) asked 8 years, 4 months ago modified 3 years, 8 months ago viewed 106k times I am working with promises on nodejs and i want to pass a parameter to a promise function.
I'm trying to learn what promise is, so i started following this guide.
.then(x => result2 = x);. Wrapping a promise in an asynchronous function is still asynchronous. Whether it's an es6 promise or a bluebird promise, q promise, etc. How can the result of a resolved promise be obtained immediately?
Is this impossible in javascript because of the async nature and do i need to use onresolve as a. I was reading the mdn 's manual on promise, and i found these two methods which seem similar to me: I have a promise that returns data and i want to save that in variables. The promise resolution procedure is an abstract operation taking as input a promise and a value, which we denote as [ [resolve]] (promise, x).
I copied this code from the guide and tried it in my developer console:
What's the correct way to return a variable from the child promise? Because your two promises have.then s of: How do i test to see if a given object is a promise?
