Promise all multiple api calls. in/api/users/4"),.

• Promise all multiple api calls. all () method In yesterday’s article, I mentioned that I recently worked on a pretty big vanilla JS app. all below settles after 3 seconds, and then its result is an array [1, 2, 3]: Aug 28, 2020 · The above code is working fine. all will do is it will trigger all the API calls in the order of Array and get the results in a promise. May 3, 2020 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. all([ APIManager. Each request takes about 15 to 20s to complete. This is my current approac asked Sep 15, 2017 at 14:21 Jaypizzle 537 1 5 7 Possible duplicate of Wait until all ES6 promises complete, even rejected promises – Dekel Sep 15, 2017 at 14:23 Feb 3, 2022 · For multiple apiCall using Promise. but I am not getting how to approach that. all In real-world applications, you often need to fetch data from multiple sources or perform multiple asynchronous operations. Oct 12, 2021 · I'm using AWS amplify to make API calls, and i have 5 async API calls i need to make. it's sometimes 4 or some times 2 or Dec 5, 2021 · In this post, we will see how to make parallel API calls in React (Written in Typescript) applications using Fetch and Axios. all - and if you always want both values together, you should use a single state (holding an array) instead. If you want to call multiple API calls simultaneously, there’s a better approach using Promise. all does is give you a promise that will settle when all of the promises you give it are fulfilled (or one of them is rejected). Running Tasks In Parallel The yield statement is great for representing asynchronous control flow in a linear style, but we also need to do things in parallel. You should also think about adding redux with some load data function to call those API calls and then you should be able to manipulate with your UI very easy. retry (oretry). I have some Feb 6, 2025 · A comprehensive guide to JavaScript's Promise. Was this helpful? Apr 1, 2021 · When you use Promise. This is great for times when we need to make multiple API calls that are independent of each other. Run different Apr 23, 2024 · I'm new to Node js. The solution is to use Promise. In this case, you should use Promise. Nov 17, 2020 · Multiple API Calls using Promise. One reason you might need to do this is if you need to request data from several different services or use a single service to process different sets of data and you don’t need to wait for all of the requests to complete before you can proceed. Aug 19, 2019 · I want to call multiple API's and store each response data in an object then I want to dispatch this response object but I'm getting undefined. fetchBooks(), APIManager. The function returns immediately and calls your callback when the operation is finished. in/+91 8870079862,+91 9884789292 let [response,response1] = await Promise. then() which will call your fulfillment handler. Second, use await on the Promise objects. all waits until all of these promises are resolved. Jul 10, 2025 · Learn how to write a JavaScript function that fetches data from multiple APIs concurrently using Promises and the powerful Promise. Feb 7, 2023 · I am trying to make multiple API calls to OpenAI in node. Jan 18, 2023 · There are several approaches for handling concurrent API calls using JavaScript. The second api is this. Unfortunately the API limits results to 100 and I need to use an offset parameter to get the next 100 and so on. Jul 29, 2017 · According to MDN, Promise. Explore the behavior of `Promise. all([undefined]). Let’s look at some of these examples where Promise. This lets us create a “basket” of Promises, and handle their return values all at once. Jul 20, 2025 · Master Axios multiple requests to handle concurrent API calls efficiently in your web applications. Below is the code I tried. To do this I am using an async function with promise. This guide covers its syntax, use cases, and best practices with practical code examples. all is often a better otpion, but i dont know if it can handle 20 000requests const promises = csvJsonData. See full list on hackmamba. all in the Jul 25, 2023 · Unlocking Parallel Execution: To unleash the potential of async/await in parallel execution, we can tap into JavaScript's Promise API. There are several ways to accomplish this. But I also know that: Promise. Apr 22, 2021 · Handling multiple api calls with Promis. all (). allSettled () method returns a promise that resolves after all of the given promi Tagged with node, react, javascript, angular. Now, the requests seem to be sent in parallel (JavaScript continues sending the next request before the resu In my Node. How can I correctly Nov 22, 2022 · I wanted to run different error handling with React Promise. By using libraries like axios, optimizing with Promise. all each of our api calls will be processed individually. It’s handy for making parallel API calls. May 26, 2022 · Therefore, I tried to fetch concurrently multiple APIs. all (spec, MDN) for that: It accepts a bunch of individual promises and gives you back a single promise that is fulfilled when all of the ones you gave it are fulfilled, or rejected when any of them is rejected. all, and implementing Aug 21, 2023 · Fetching data from multiple endpoints. all (), we can fetch the APIs in parallel and individually without being dependent on each other! Jul 23, 2025 · In JavaScript, Promise. In this comprehensive guide, we’ll explore how to use Promise. By combining Promise. Then, once all the calls have been made, i take this resulting array and loop through it to perform my DB operation on each result. fetchAuthor(), APIManager. While ok for a small number of calls, we Jul 17, 2019 · The best solution is to use Promise. all with (often anonymous) async functions. serviceB. all (), when we want to call multiple APIs parallelly, but a promise. In this article, we will focus on executing multiple fetch calls simultaneously in ReactJS. RxJS way of combining multiple observables into one, similar to Promise. In this tutorial, you will learn how to use the Promise. map(v => { return doAsyncThing(v) })) return results } I know that, unlike loops, Promise. then() calls. I have a container that I This article will explore the asynchronous approach to concurrently performing multiple HTTP Requests with Javascript using two different tools: Axios or Storyblok JS SDK (e. Mar 21, 2025 · Handling multiple API calls and orchestrating conditional subsequent calls in Angular can be challenging, but with the right approach, it becomes manageable. all. allSettled to handle multiple promises and get all their results, regardless of success or failure. all**: Use Promise. Jul 10, 2025 · The Promise. map((patientData) => { For Live training. all in JavaScript. To get around this, you'll either need to use the useQueries hook (which is suggested) or orchestrate your own parallelism with separate components for each useQuery instance (which is lame Jan 29, 2025 · Use Promise. If you’re new to Promises and/or async/await, or you want more context about what’s really going on, read the Sep 1, 2020 · What Promise. You can access the results by going through the elements in the returned array. The API requests are fulfilled with JavaScript promises. all() is your go-to tool. Here I've created a dummy fetch function with some sample data to quickly show you how that works. We know that promises provide a way to do asynchronous programming, like executing and composing asynchronous tasks, and like consuming APIs which is what we are doing. all () effectively, including best practices and common pitfalls to avoid. Apr 23, 2020 · At this moment I have a webpage in which a long list of Axios POST calls are being made. Solutions **Promise. In the below case, the program would wait say 3 seconds (sample latency of 500 ms for every callAPI request). map(({ code }, index) => { to await Promise. This approach is efficient for scenarios where all results are needed at once. Best for optimizing performance when making multiple API calls. This guide will demonstrate how you can make parallel API requests. all, you can efficiently manage multiple API calls simultaneously. Apr 14, 2024 · Multiple API Calls: When working with APIs, you often need to make multiple calls to different endpoints. all(arr. all() that type of implementation needs to work for your situation. Requests that I am trying to make are going to Dec 11, 2020 · Javascript's Promise. all and async / await. https://ipacademy. Jan 18, 2023 · Use Promise. This can only work by chance, as the Promise. Here I'm calling multiple api calls in Async. Jan 16, 2021 · Using Promise. all () rejects if any APIs get failed, but I want if any APIs gets failed I need to re-run the failed API again. In this post, we'll explore two powerful techniques for handling multiple asynchronous operations: Promise. all() it to swiftly retrieve data from each link at the same time. This remarkable feature has revolutionized the way we handle multiple asynchronous operations, making our… Nov 5, 2021 · If you need to call two endpoints at the same time, utilizing Promise. map(res => res. g. all () excels in scenarios where you need to perform multiple independent asynchronous operations and wait for all of them to finish before proceeding. Learn how to effectively manage independent API calls. However, trying to work with Promise. but problem is some calls get failed. Apr 11, 2025 · With that design, you call the asynchronous function, passing in your callback function. In this post, we will see how to make parallel API calls in React applications using Fetch and Axios. By the end of this article, you will have a clear understanding of how to efficiently Asynchronous programming is a vital part of JavaScript in the sense that it lets us execute multiple tasks at once no matter how complex each task may be. For example, the following code contains an API call in an async function. number of calls is 12,i am using Promise. Dec 6, 2024 · Why Sequential API Calls Are Important There are several reasons why you might need to execute multiple API calls sequentially rather than in parallel: Dependencies Between APIs: Some APIs may Apr 26, 2023 · I want to make multiple parallel API calls using the same endpoint but different parameters. all` in JavaScript when one of the API calls fails. all and manipulating the data with react-redux Asked 3 years, 10 months ago Modified 3 years, 10 months ago Viewed 245 times I have an endpoint where I make multiple of the same call but with different id in the URL. all still requires you to chain two then function calls. Jul 23, 2022 · If you have two independent states, you shouldn't need Promise. all (): This method takes an array of promises and returns a single promise that resolves when all the promises have been resolved. all resolves "when all the promises in the given iterable have resolved, or if any of the promises reject". all () is a powerful JavaScript method that allows you to handle multiple promises concurrently, making your asynchronous operations more efficient. Dec 16, 2022 · However it needs to do multiple api calls as it loops through, which is taking a long time, so i am trying to figure out whether i could do a promise all and run the api calls all at once. I have found a few examples online that use JS Promise. Without Promise. all() returns a single promise for an array or response objects. all, it treats it as a promise fulfilled with that value. This functionality is particularly useful when you need to perform multiple API calls or any other asynchronous tasks simultaneously and wait for all of them to complete before proceeding. Dec 4, 2021 · We can make all the calls in parallel to decrease the latency of the application. Now I want to make another api call after the successful completion of this. There are other situations where you want to run multiple async operations and you need all the results, even if some of them failed. First, I’ll talk about concurrency vs parallelism and why we will be targeting parallelism in this article Feb 13, 2025 · The response is stored in an array [user, posts]. all () to Run API Calls Concurrently Assuming you don’t need the result from before, you can run both functions in parallel using Promise. And if the second API call takes 3 seconds to complete, the entire operation would take 5 seconds (2 + 3) to complete. This happens because the await call happened inside the loop. When using React Query in suspense mode, this pattern of parallelism does not work, since the first query would throw a promise internally and would suspend the component before the other queries run. But then, responses. all() when you want to run promises in parallel but need them all to successfully complete for your code to continue. First, execute all the asynchronous calls at once and obtain all the Promise objects. Jul 12, 2017 · I have a function that makes an ajax call and resolves a promise with the result. Meaning it can run your code in parallel instead of waiting for each Promise to finish before moving Nov 1, 2020 · @mohahmed123 - Because if you pass a non-promise into Promise. Nov 23, 2022 · Do we need to each of these one at a time? Cant we fork this and call them all together? What being pointed out here is that we have to wait on each one of these Promises to return before the next one can start. all () like three years ago for some parallel calls, but it's been an age, and this doesn't quite translate the same way. @1252748 Yes, the Promise. Feb 20, 2022 · Promise. If I call Promise. Then async isn't of much use. Using useEffect Sep 30, 2024 · Handling Multiple Promises with Promise. then format as well as async / await, so I know how to use both. all` to execute multiple API calls in JavaScript, ensuring that your success state is set only after all calls complete successfully while catching any Nov 6, 2024 · Promise. Jul 25, 2019 · You could use Promise. With a promise-based API, the asynchronous function starts the operation and returns a Promise object. all, and making concurrent API requests. In your case, since there are pending requests, they did not resolve/reject. all to improve performance by reducing latency. The code below also shows how to handle errors correctly for multiple HTTP requests. The API calls are made in Jan 17, 2021 · The Promise. in/api/users/4"), May 17, 2024 · We use fetch to call an API and then resolve it to json, this is straightforward with await/async syntax: We need to do it in two steps, because what’s returned from the fetch is another promise that… Jul 4, 2016 · So, to use Promise. Imagine Apr 22, 2025 · In this case, each API call waits for the previous one to finish before starting, which means the total response time is the sum of all the individual call times To overcome this, we can run the API calls in parallel instead of sequentially. Sep 17, 2019 · I'm making an API call in my function to fetch some data. The results in the fulfillment array are in the same order as the promises in the input array. If I use Promise. We will cover various topics such as fetching multiple requests, combining and merging fetch calls, making multiple fetch requests, and more. This returned promise fulfills when all of the input's promises fulfill (including when an empty iterable is passed), with an array of the fulfillment values. all is a static method on the Promise object that takes a list of items and returns a promise that resolves with a list containing the values of all resolved values in the input list. Here, using Promise. settle() for that May 24, 2015 · I'm trying to wait for the output of two OAuth calls to an API, and I'm having trouble retrieving the data from those calls. Promise. This video explains the usage of Promise. handleBooks(books); this. For example: // Begin first call and store promise without waiting const someResult May 14, 2020 · It makes all the API calls one by one and for each API call it makes, a respective promise is returned. May 15, 2022 · Promise. there are multiple REST end points like baseurl/audience, baseurl/activity, baseurl/markets etc (7 in total) for each end point, I have created a custom hook Mar 31, 2023 · Using Promises to handle multiple fetch requests Another way to fetch data from multiple endpoints is by using Promises. Dec 24, 2024 · Modern web applications often depend on data fetched from multiple APIs. all method. all () and combine multiple API calls into one single API call. all() and getting a json response has not been successful. all which waits for an array of promises (fetch is a promise) to all resolve, after which you can process the data. Mar 5, 2023 · Although JavaScript is single-threaded, it is relatively simple to avoid blocking the thread by writing code in an asynchronous style through the use of functions with an async keyword that returns a promise and only awaiting when you need it. Apr 16, 2025 · When building modern Angular applications, making API calls is a fundamental task, whether you’re fetching data from a REST API or posting form inputs to a server. Aug 6, 2022 · So we have to calls 3 api for UserID 1,2 and 3 so for that we have grouped 3 apis call in a single array (allTasks) and passing the array to Promise. How can I handle this. Prerequisites Example Project If you comment out the Promise. all ( [fetch ("https://reqres. May 16, 2024 · When your frontend requires multiple API calls that depend on each other, you need to ensure that every call is successful. And subscribe to it if any of the request is complete. Combine the results efficiently and enhance the performance of your data retrieval process. What is Promise. all code you'll notice that the three API calls are still being made immediately. all() will not do that for you directly. all with await, you can wait for all promises to resolve or any to reject, ensuring that all asynchronous tasks are complete before proceeding with the next code execution step. Mar 17, 2023 · In this scenario, you can take advantage of Promise. all fine to show results in console but Issue with State Asked 4 years, 2 months ago Modified 4 years, 2 months ago Viewed 51 times Jul 13, 2022 · I want to make multiple API requests and I am having trouble figuring out how to do it. But I want to return promise once all calls are finished. all So consider there are 3 URL, lets call it something like this Mar 4, 2024 · Breaking Down the Code: We utilize the async/await pattern to make asynchronous API calls within the fetchData function. js is critical for building responsive and robust backend systems. all is a powerful method that allows you to run multiple promises in parallel and wait for all of them to resolve before proceeding with any further operations. In this approach, you create an array of Promises representing each fetch request and then use the Promise. This way, while you wait for the first Promise to resolve the other asynchronous calls are still progressing. all () comes to the rescue, enabling us to run multiple tasks concurrently. Learn how to run multiple fetch requests in parallel using JavaScript's Promise. all ( ). all() method, explaining how to use it to handle multiple promises concurrently and efficiently. You were effectively doing Promise. Angular provides robust tools Jan 15, 2021 · I was thinking of a situation where we can use promise. Dec 18, 2024 · Conclusion Efficiently calling multiple APIs in Node. all takes an iterable (usually, an array of promises) and returns a new promise. all(responses?. Nov 18, 2021 · So, if the first API call takes 2 seconds to resolve the Promise, the second API call will be picked up after 2 seconds. all executes in-parallel (that is, the waiting-for-results portion is in parallel). Jun 29, 2023 · Caveat: I'm learning to work with JavaScript Promises and API calls, so I try to write the code in promise. all returns a promise that doesn’t resolve till all promises in the array passed in are resolved (the two fetch calls). Dec 11, 2019 · I have a React App from which I am making multiple concurrent API calls to the server. Good luck! May 15, 2022 · Different Patterns of Making Multiple API CallsPromise. This is fine since the APIs are depended on each other. Ho I am usually handling a single call at a time, and thought I had a decent grasp of Async Await. all can be used where we have multiple API requests and we want to wait for all the promises to be resolved. I used Promise. map(async ({ code }, index)=> { to invoke the API calls in parallel and wait for all them to complete. Mar 26, 2021 · An example of this would be to wait for multiple API calls to finish before collecting all results and create a new combined API call. all and its implementation to handle parallel async API calls. Bonus: array destructuring. 266 You can use Promise. On some pages, we needed to wait for multiple API requests to complete before rendering content. Mar 17, 2019 · Promise. all with async-await is used to handle multiple asynchronous operations concurrently. all methods August 8, 2019 Waiting for multiple all API responses to complete with the vanilla JS Promise. all() can be used to improve efficiency in real-world applications. all to wait for multiple requests in parallel: async componentDidMount() { const [books, authors, shops] = await Promise. By the end of this article, you'll understand Dec 13, 2023 · ReactJS is a powerful JavaScript library for building user interfaces. function getChunkBatchDetailsResponse$(id, baseUri, ) { return new Pr Oct 26, 2021 · Learn about Axios' axios. We then use Promise. allSettled Examples This page demonstrates practical examples of using Promise. all to fetch all the data concurrently and wait for all the requests to finish. Dec 6, 2024 · We map over these parameters and create a list of promises for each API call. all() static method takes an iterable of promises as input and returns a single Promise. For instance, the Promise. I have a problem Apr 8, 2020 · To do this, I use Promise. io Learn how to properly implement `Promise. After all API calls are complete, I want to collect all the data into a single JSON object to send to the fronten Dec 13, 2024 · Promise. number of failed calls is not fixed. You should check why they're taking that long (must be a network problem, nothing with Promises). js code I need to make 2 or 3 API calls, and each will return some data. Just return the promise returned by the axios. all ()? Jun 29, 2022 · You can change the line const productCode = responses?. It's your code that makes the work run in parallel, by starting the actions that the promises report the completion of (in the map callback) in order to give them to Promise. A handy method called Promise. For now for each API call i need to create separate Error handler and if data is being return store to it's own object (corresponding to same API object name). all method to await multiple async operations, as well as how to write a custom implementation of Promise. It seems to be executing API calls however it is not triggering my alert notification. Integrating solution into Angular app. If Jun 10, 2017 · I was recently asked a question about handling multiple JavaScript Promises that I thought would be useful to share. I want to implement a progress notification bar to show the us Jul 25, 2024 · In this article, we will learn how to fetch an array of URLs with Promise. all is rejected if one of the elements is rejected and Promise Oct 6, 2017 · In this article, we are going to work through some asynchronous JavaScript examples to understand the incredible usefulness of Promise. all in JavaScript to run multiple API calls concurrently and handle them as a single promise. May 8, 2021 · In the following scenario, imagine we need to query a long running function or an endpoint using async/await. all() method. Here it will trigger all the functions one by one and wait for all responses. xxxx(). Learn techniques, error handling, and best practices for robust Mar 11, 2025 · If any of the input promises are rejected, the returned promise is rejected as well. async/await is syntactic sugar for Promises It will be more clear if the same code is written without async/await May 21, 2024 · Introduction Asynchronous operations are a cornerstone of modern JavaScript, enabling applications to handle tasks like API calls, file reading, and timers without blocking the main thread. Overall, you will only wait for as long as the slowest asynchronous call. all function for HTTP requests, differentiating Promise. handleAuthors(authors); this. _The scenario_: you want to make multiple requests at the same time, and wait for them all to finish before returning all the data. allSettled () method for handling multiple promises that may either resolve or reject. It rejects when any of the input's promises rejects, with this first rejection reason. Basic Usage Aug 1, 2021 · Learn how to use JavaScript's Promise. But, if I have 1000 API hits per second, will there be any difference?. Upvoting indicates when questions and answers are useful. This works well if one of the two requests take a really long time that it would speed things up to have both JavaScript promises provide an easier, more efficient way to fire off and keep track of multiple async operations at the same time with Promise. You can do API calls with either of these. The new promise resolves when all listed promises are resolved, and the array of their results becomes its result. all (allTasks) as an input and waiting for resolve or reject. Use Promise. js to answer multiple questions at once. all() allows us to run multiple async operations in parallel instead of running them in series. Apr 1, 2022 · I'm passing right now 3 API calls to Promise. It will go through each API call and return a promise if they are all resolved. Unless the failed call undoes the changes of the successful calls, those three successful calls will still have taken effect. Jul 19, 2018 · Using Promise. all () with 4 POST requests that delete from an array in my database, if 3 succeed and 1 fail the promise itself will fail but will the 3 successful calls still alter my database? Yes. all, we can make multiple API calls, create a Promise that resolves when all the calls have finished, and return the results in an array. It's like having a checklist of website links and using Promise. handleShops(shops); } This however waits for all 3 requests to be completed before calling handleBooks I'm using async / await to fire several api calls in parallel: async function foo(arr) { const results = await Promise. Jan 23, 2021 · I read through a wide variety of different questions on using axios/fetch/requests to retrieve data from a list of urls (api calls). all in the first place. all combined with map, and the for-await-of loop. The difference is that you need to make sure in the first then call you are passing in another call to Promise. Similarly, you can wait for multiple asynchronous tasks to complete before moving on to the next step in a process, making them easier to handle and chain together with other operations. Here's an example: The web content provides a comprehensive guide on making parallel API calls in React applications using Fetch and Axios with Promise. all() method to wait for all the requests to complete before handling the responses. Jan 16, 2025 · Deep dive into promise. But if one API calls requires data from another, returning the fetch() method like this provides a simple, readable, flat structure and let’s you use a single catch() for all of your API calls. Then I need to make multiple API calls for each item of the data returned, based on a specific value from the first call. all isn't taking effect Hey! Best way to handle multiple API calls is using Promise. But what happens when one of those APIs fails? Should the entire process break? Absolutely not! This is where Promise Oct 6, 2018 · I just read an Article related to promise and was unable to comprehend how we can do multiple API call using Axios via Promise. all is a quick and efficient way to make a call and set state without relying on third party packages. By mapping over an array of API URLs, we create an array of promises using Feb 11, 2025 · Promise. all not the individual fetches. all(): Mar 2, 2021 · I'm trying to do multiple fetch calls in order to display certain data. all() method to aggregate results from multiple asynchronous operations. API 1 and 2 should have different error handlings. all and then calling await on the API request Jan 20, 2025 · As a JavaScript developer, I’ve come to appreciate the power and versatility of Promise. This will output an array with all of the concurrently run results. Feb 13, 2018 · Multiple API calls inside loop i am making multiple API calls inside the loop, function is called inside a promise and pass data to body this part work fine, in a function a return a promise which Jul 12, 2020 · Here for one API hit at a given time, Promise. all(call1,call2). Instead, you would likely use something like Promise. Execute APIs all at once to save time. then() I am getting information about Jun 27, 2023 · For example, if you're fetching data from multiple third-party APIs, a rejected promise from one API shouldn’t stop you from getting data from the other APIs. We can't write: Jun 3, 2020 · I want to make multiple API call. Step 3. Let's explore a beginner-friendly example: Jul 5, 2021 · Now, what promise. all and axios. So both fetch calls are initiated but the function is paused on the Promise. Saves time compared to making sequential requests. all polyfill in javascript will help to understand the working of parallel promise calls using Promise. Mar 15, 2020 · Promise. all() will be quicker to return the response as it fires the DB calls in parallel. all() is a powerful function that allows you to resolve multiple Promises and return the results. createDbEntry (sentry) and sentry looks as below: Jun 14, 2022 · Here we leverage a useEffect to make your simultaneous fetch es; we don't really need nor want to use await because we want them to run simultaneously and the Promise. Unless spotify let's you get more data with less API requests, you will not find a better solution since you need to query Spotify. When you need information from various websites quickly, Promise. all, you are already doing asynchronous requests in parallel. If one or more Hey guys, So in my project at work our react application has to make API calls on page load. Feb 10, 2022 · If a function makes multiple API requests, you can send these API requests concurrently instead of sending them one by one. What's reputation and how do I get it? Instead, you can save this post to reference later. Using Promise. Jan 4, 2022 · use a custom queryFn to incorporate the multiple api calls into 1 cached resource For me all 3 approaches of these have an issue that the original code does not May 18, 2021 · In this article I’d like to touch on async, await, and Promise. , to execute more than one API call simultaneously). The person asking the question has an app that makes multiple API requests to fetch data needed for a particular function of the app. text()) produces another array of promises which needs a second Promise. ---This video is b Oct 27, 2024 · Learn how to use JavaScript Promise. all (), you can initiate all your API requests simultaneously and handle the responses collectively. all(). fetchShops(), ]); this. all, I perform all of the fetch calls up front and push the results to an array. Mar 25, 2025 · Using JavaScript’s Promise. In this video, you'll learn how to manage multiple fetch requests with promise. all will only resolve when all the promises in the array resolve. all returns a promise that doesn't resolve till all promises in the array passed in are resolved (the two fetch calls). How can I make these calls efficiently and wait for all of them to complete and than start work process with th Jan 9, 2020 · 23 I'm a bit late, but it seemed like a good idea to show you how to perform multiple requests and wait for their resolution using only Promise. I realize similar questions have been asked before. Jan 13, 2022 · The three first functions are declared as async, but use don't await. This is how it is structured right now: we have a base url, let call it https://baseurl we are using axios and react-query to handle requests. One of the most amazing things about working with Javascript is its concurrency. lexqz ncwuv xlwlpw ubgmxpp cjwfpfe bwy auvx wqph zmtmsn yqmg