I was reading the mdn 's manual on promise, and i found these two methods which seem similar to me: An asynchronous operation (created via std::async, std::packaged_task,. I have a promise that returns data and i want to save that in variables.
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If x is a thenable, it attempts to make promise adopt the state. Obj.promessa( parametro ).then( function ( resposta ) { console.log(resposta: Both of them take an iterable.
The class template std::future provides a mechanism to access the result of asynchronous operations:
Is this impossible in javascript because of the async nature and do i need to use onresolve as a callback? I am working with promises on nodejs and i want to pass a parameter to a promise function. A promise in javascript is an object which represent the eventual completion or failure of an asynchronous operation. Promises represent a proxy for a value which are getting in.
Just a quick question of clarifications: The promise resolution procedure is an abstract operation taking as input a promise and a value, which we denote as [ [resolve]] (promise, x). This might seem a silly question but i am a newbie in this topic. Olá, gostaria de esclarecer a diferença e quando usar cada dos modelos de tratamento das promessas:
I've been reading a lot of posts on promise and async programming (namely ajax requests).
A promise is not a control surface for the async action fulfilling it;
