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- A promise is an object that acts as a placeholder for the future results of an asynchronous action.
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Sep 16, 2019 · In Lua, Promises are an abstraction over coroutines. A “Promise” is just an object which we can use to represent a value that exists in the future, but doesn’t right now. Promises are first-class citizens in other languages like JavaScript, which doesn’t have coroutines and facilitates all asynchronous code through callbacks alone.
Jun 19, 2022 · How to use Promises (and why you should) in Roblox Development. The Promise library is a great module for Roblox development, one I haven't utilized that much until recently. It leads to...
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Dec 15, 2021 · ES6 Promises give us two built in callback methods as mentioned above they are .then() and .catch(). We can use .then() when we resolve a promise to instruct our code on the next action, and the parameter in the function will automatically take the value that was returned in our promise. Let's look at an example:
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Jan 3, 2023 · Making Promises: A Promise is created when we are unsure of whether or not the assigned task will be completed. The Promise object represents the eventual completion (or failure) of an async(asynchronous) operation and its resulting value.
May 14, 2018 · What is a Promise? The ECMA Committee defines a promise as — A Promise is an object that is used as a placeholder for the eventual results of a deferred (and possibly asynchronous) computation. Simply, a promise is a container for a future value.
Jan 17, 2019 · Promises allow you to write clean non-callback-centr... ES6 came with many new features, but one of the best features was the official introduction of Promises.
Mar 11, 2016 · Or in MDN’s words “A Promise represents an operation that hasn’t completed yet, but is expected in the future.” This makes promise objects incredibly useful for asynchronous operations.
