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1. stackoverflow.com › questions › 66214632javascript - how to get value from a fulfilled promise in ...

   stackoverflow.com › questions › 66214632

   Feb 15, 2021 · getUsers is an async function, so it implicitly returns a Promise but you don't return any resolved value, it simply awaits the MyApi.getUsers promise to resolve and returns nothing, i.e. a void return, or undefined.

2. stackoverflow.com › questions › 29516390javascript - How can I access the value of a promise? - Stack ...

   stackoverflow.com › questions › 29516390

   When experimenting at an interactive prompt, one can access the value of a Promise by assigning the value to a global variable in the "then()" function, e.g.:

3. upmostly.com › how-to-handle-promises-in-reactHow to Handle Promises in React - Upmostly

   upmostly.com › how-to-handle-promises-in-react

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   • What Is A Promise?
   • Using Promises in React on Page Load
   • Onclick

   Promises allow you to perform asynchronous operations in JavaScript. To construct a Promise from scratch, you can use the Promise constructor. This takes a function which takes two parameters: “resolve”, a function to call when the operation completes, and “reject”, a function to call if the operation fails. You then have to call one of these funct...

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   To use the value of a Promise in React, you can use a useEffect()hook with an empty dependency array to wait for the promise to resolve, and store the result in the value of a useState hook. Here’s an example of using this method to get a random cat, using the CatAAS API. When the page loads, the useEffect’s function will be called. This will perfo...

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   With the above example, we have to refresh the page in order to get a new cat. This is a bit inconvenient, so lets refactor our site so that we can get a new cat through a button. We’ve refactored the contents of our useEffect function to their own separate function, so that we can trigger it whenever we want Now when I click the button, the onClic...

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4. dev.to › ramonak › javascript-how-to-access-theJavascript: How to access the return value of a Promise object

   dev.to › ramonak › javascript-how-to-access-the

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   Aug 24, 2020 · The blog post consists of two parts: The first part describes how to access the return value of a Promise object right after it has been resolved. The second part describes two possible ways of accessing the return value of Promise object LATER in the code. It's a completely another use case.

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5. dev.to › marileon › the-best-way-to-handle-promisesThe Best Way to Handle Promises in React - DEV Community

   dev.to › marileon › the-best-way-to-handle-promises

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   Feb 6, 2024 · You can handle a Promise in React using useEffect to call the Promise, and a useState to store the result. It’s also useful to set up some other values to track the state of the asynchronous action.

6. medium.com › @sharareshaddev › understandingUnderstanding Promises in JavaScript and Their Use in React

   medium.com › @sharareshaddev › understanding

   Nov 7, 2023 · Promises are a fundamental concept in JavaScript for handling asynchronous operations. In this article, we will explore the various methods available for working with Promises in JavaScript...

7. People also ask

   What is a promise in react?

   • Promises are essentially a way of handling asynchronous operations, a common example of this is performing API requests in React. To work these into the React lifecycle, we can use the useState hook to store the result of the promise when it is resolved and re-render the component.

   How to Handle Promises in React - Upmostly

   upmostly.com/tutorials/how-to-handle-promises-in-react

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   How to get the result of a promise in JavaScript?

   • JavaScript includes two ways of getting the result of a promise. Let’s take a look at both. The first is “.then ()”, a method on Promises which accepts a callback function to run when the promise resolves. Here’s what that looks like: .then () returns another promise, which lets you chain together actions:

   The Best Way to Handle Promises in React - DEV Community

   dev.to/marileon/the-best-way-to-handle-promises-in-react-5399

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   How to wait for a promise in react?

   • Here’s the above example, rewritten to use await instead. To use the value of a Promise in React, you can use a useEffect () hook with an empty dependency array to wait for the promise to resolve, and store the result in the value of a useState hook.

   How to Handle Promises in React - Upmostly

   upmostly.com/tutorials/how-to-handle-promises-in-react

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   How does a promise work in Java?

   • The first is “.then ()”, a method on Promises which accepts a callback function to run when the promise resolves. Here’s what that looks like: .then () returns another promise, which lets you chain together actions: This works even if the next function you call in .then () isn’t asynchronous.

   The Best Way to Handle Promises in React - DEV Community

   dev.to/marileon/the-best-way-to-handle-promises-in-react-5399

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   How to handle a promise in JavaScript?

   • You then have to call one of these functions when your operation completes. JavaScript gives you two methods of handling the result of a promise, the first being .then (), a function that takes a function as a parameter, which it will pass the resolved value to.

   How to Handle Promises in React - Upmostly

   upmostly.com/tutorials/how-to-handle-promises-in-react

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   How do I get a value from a promise?

   • The easiest way I used to get a value from a promise was to use localstorage. I put the value in localstorage while in the promise function and accessed the value from the localstorage elsewhere. Worked like a charm .

   get promise value in react component - Stack Overflow

   stackoverflow.com/questions/42308244/get-promise-value-in-react-component

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8. www.pluralsight.com › resources › blogExecuting Promises in a React Component - Pluralsight

   www.pluralsight.com › resources › blog

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   Feb 23, 2020 · When you need to execute asynchronous code in a React component, that usually involves a Javascript promise. Making sure your component updates when a promise completes isn't entirely obvious at first, so in this guide I will show you how to work with promises in a React component.