Fetch api example

Fetch api example. Let’s create a simple internal API route for fetching a list of products. Mar 25, 2018 · React Native Fetch Example Tutorial From Scratch is today’s leading topic. Not sure, couldn't find where it was removed. The Fetch API provides a JavaScript interface for accessing and manipulating parts of the protocol, such as requests and responses. We recommend you use Fetch if you can: it's a simpler API and has more features than XMLHttpRequest. Sep 19, 2016 · 2021 answer: just in case you land here looking for how to make GET and POST Fetch api requests using async/await or promises as compared to axios. It also provides a global fetch() method that provides an easy, logical way to fetch resources asynchronously across the network. js, for those who want to test this out in the Node REPL. Multiple fetch Requests. Aug 24, 2023 · Fetch basic concepts. Let this here guide illuminate the path to harnessing the Fetch API through the keen eye of TypeScript. Unlike XMLHttpRequest that is a callback-based API, Fetch is The following syntax shows the fetch api method using JavaScript for the reading response of the url. Together, they dance—a duet of precision and potential. Jan 8, 2024 · And there, alongside it, the Fetch API weaves in, allowing us to reach out into the vast internet expanse and pull in the very threads of data we desire. log (data)); Parameters: This technique accepts two arguments, but one parameter is essential for the method. json<T> is no longer valid. Fetch at the time of writing (Sep 2017) has a good support across the major browsers, except IE. For example, update a user’s email address. The fetch() function is called using the URL endpoint and passing the product ID to update on the URL. Sample Request. It manages any issues that may arise when obtaining the data and helps you manage its storage. Open up your text editor inside of the new folder and navigate into the new folder with your terminal. You can run the sample app on Windows, Linux, or macOS, or in a Docker container. Fetch API uses two objects, Request and Response. Mar 6, 2024 · The Fetch API uses Request and Response objects (and other things involved with network requests), as well as related concepts such as CORS and the HTTP Origin header semantics. API-BASKETBALL. POST — Push data to the API. In this tutorial, we will explore the basics of using the Fetch API in JavaScript. Explaining them here will be out-of-bounds here, so I'll leave that for you. Apr 26, 2023 · In this tutorial, we learned about the JavaScript Fetch API and how to use it to fetch data from an API or a server. js under pages/api directory. 0 or later; A code editor such as [Visual Studio Code (an open-source, cross-platform editor). Now that we've covered the basics of making API calls in JavaScript, let's explore a couple of real-world examples to see how this knowledge can be applied in practice. Continue inside the sendData() function: Nov 3, 2023 · Real-World Examples of API Calls. Mar 8, 2024 · The web API app is a separate app from the Blazor Web App, possibly hosted on a different server. Apr 23, 2024 · The global fetch() method starts the process of fetching a resource from the network, returning a promise that is fulfilled once the response is available. Vue + Fetch: GET, POST, PUT, DELETE. Fetch API 는 HTTP 파이프라인을 구성하는 요청과 응답 등의 요소를 JavaScript에서 접근하고 조작할 수 있는 인터페이스를 제공합니다. Showing a user; Showing a list of users; Creating a new user; Deleting a user; Updating a user; Note! The resource will not be really created on the server, but will return a fake result to mimic a Mar 6, 2024 · For making a request and fetching a resource, use the fetch() method. The promise resolves to the Response object representing the response to your request. Create our dogImage variable as well as the setDogImage function via useState. NET Core web API with JavaScript, using the Fetch API. Oct 22, 2021 · JavaScript Fetch API provides an interface for accessing and manipulating HTTP requests and responses. Note: This article will be added to over time. This kind of functionality was previously achieved using XMLHttpRequest . Jun 26, 2020 · Fetch is an interface for making an AJAX request in JavaScript. Available in Chrome 42+ | View on GitHub | Browse Samples. Click here to learn more about Apipheny. The stream occurs asynchronously. headers: { // the content type header value is usually auto Aug 21, 2020 · For example, get a twitter user based on their username. Feb 2, 2024 · Because the Fetch API is browser-compatible, the code you write for fetching data in the browser using the Fetch API can also be used in Node. We'll also use the filter method to remove it from the UI, as we did with the Fetch API method: const deletePost = (id) => {. Aug 21, 2019 · Utilizing Fetch API to send data (POST) The Fetch API is not restricted to GET requests; it can handle various other types of requests (POST, PUT, DELETE, etc. The Fetch API is widely supported by modern browsers, except for Internet Explorer (IE). Dec 21, 2023 · The Response interface of the Fetch API represents the response to a request. DELETE — Remove a record. We will build a project and along with it learn different methods for API calls including 1) fetch() method and 2) Axios method provided by React-Native. Use the stale-while-revalidate (SWR) method. Aug 31, 2022 · Create an options variable and set the method property to PUT to inform the Web API to call the method to update the data. Next, let’s create a service that will take care of getting data from the news API. NET SDK 6. It returns a Promise that resolves Mar 1, 2024 · API calls with fetch() in a useEffect Hook. fetch() is an ECMAScript6 (ES6) feature. You can create a new Request object using the Request() constructor, but you are more likely to encounter a Request object being returned as the result of another API operation, such as a service worker FetchEvent. It provides a promise-based and clean interface for fetching resources from a server. Replace 'YOUR_API_KEY' with your actual API key. Inside public create the file index. React + Fetch: GET, POST, PUT, DELETE. This is the Fetch API, a new standard to make server requests with Promises, but which also includes additional features. Axios is a very popular promise-based request library Oct 18, 2022 · Fetch: Cross-Origin Requests is a chapter of The Modern JavaScript Tutorial that explains how to use the fetch API to send and receive data from different origins. When the component mounts or when the city input changes, it makes a GET request to the OpenWeatherMap API to fetch weather data for the specified city. Axios. Angular: GET, POST, PUT, DELETE. See Jason Miller's isomorphic-unfetch or Leonardo Quixada's cross-fetch for isomorphic usage (exports node-fetch for Oct 29, 2022 · If you prefer to follow along with the final sample for this tutorial, you can download it. The store Feb 26, 2021 · Internal APIs are implemented as API routes in Next js which are special files placed inside the pages/api directory. The Fetch API provides an interface for fetching resources. Request — Estos son los datos que envías a la API, como una identificación de pedido (id) para obtener los detalles del pedido. Create out useEffect function — this is where we'll perform our fetch. 1. As mentioned in the comments, response. In this example, we’ll do a POST request on the same JSONPlaceholder and add a post in the posts. , text() or json() . Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. Jul 9, 2020 · How exactly? By giving you examples and walking you through the process step by step. org which offers a free plan for open source and development projects, you first need to go the register page for getting an API key. Mar 5, 2023 · JavaScript Fetch API, how to use in with Promises, how it is different from XHR, and why use it?! This is episode 14 of 20 things Javascript Developers Shoul Feb 3, 2022 · Articolo originale: JavaScript Fetch API Tutorial with JS Fetch Post and Header Examples. Jan 27, 2020 · Below is a quick set of examples to show how to send HTTP GET requests from React to a backend API using fetch() which comes bundled with all modern browsers. sh. It will seem familiar to anyone who has used XMLHttpRequest, but it provides a more powerful and flexible feature set. Feb 10, 2022 · Without async/await. Apr 14, 2023 · The Fetch API provides a straightforward way to make API requests in React Native. Apr 18, 2022 · Por ejemplo, eliminar un usuario de la base de datos. This method is used to fetch data from a server and is used in React. Open a new terminal and run the following command: Jun 7, 2017 · For making a request and fetching a resource, use the GlobalFetch. Further, it’s easy to make mistakes calling function components with the wrong props only to find out at run time. To see Node Fetch in action, create a file using a code editor and enter the following lines of code: Fetching API data from a component using React requires handling loading, error, auth, and success states. touch pages/api/products. So far we've been parsing the response data to JSON. In this tutorial, we will create examples that use Javascript fetch() method to make Get/Post/Put/Delete request. However, we recommend configuring the caching behavior of each If you want to try an easy-to-use API tool to test these APIs, check out Apipheny, an API integrator for Google Sheets. For client-side rendering (CSR), which In this tutorial, we will implement most popular ways for API calls into React Native application. JSONPlaceholder is a free online REST API that you can use whenever you need some fake data. e Nodejs, WordPress, etc) you can fetch data from the… Mar 19, 2021 · Pour utiliser l’API Fetch, appelez la méthode fetch, qui accepte l’URL de l’API comme paramètre : Après la méthode fetch(), ajoutez la méthode de promesse then() : La méthode fetch() retourne une promesse. So bare with me and let’s go! Fetch API Fetch API is a promise-based JS API, used for making asynchronous HTTP requests in a browser similar to XMLHttpRequest. Mar 14, 2021 · The component will be responsible for displaying an image of a random dog that is received from the API that we are fetching from. Fetching data in intervals. Mar 15, 2024 · These examples provide you with a complete understanding of the fetch method in JavaScript. We’ll use it to fetch data from a third-party API and see how to use it when fetching data from an API built in-house. Since Fetch is a promise-based API, using async functions is a great option to make your code even easier to reason about and synchronous-looking. Voraussetzungen Feb 24, 2024 · When i am sending files to the server or just updating json file using the front-end fetch() , do i need any back-end language to handle the request ? because till now i can fetch data from the server and render it to web page , but when i am trying to upload some data to the server failed! Sep 20, 2021 · Fetch - HTTP PUT Request Examples. Feb 18, 2024 · For submitting HTTP queries in web browsers and Node. Fetch API examples. - KrunalLathiya/Fet Mar 7, 2023 · 1. Other HTTP examples available: Fetch: GET, POST, DELETE. Making requests In order to fetch content from an arbitrary URL, you can pass the URL to fetch: Before you can fetch the news data from NewsAPI. The stable release of the Fetch API in Node. For later releases, you can do: // Standard variation. Jun 21, 2022 · How to Perform a DELETE Request in React With Axios. request. Jun 2, 2022 · How to use Fetch API. BlazorApp / BlazorApp. It is implemented in multiple interfaces, specifically Window and WorkerGlobalScope. Fetch sends the Request and returns a promise, which is resolved to the Response object when the request completes. Create a Basic Project Structure. If you require IE support, you can include a polyfill. I think I have 2 main solutions: Add CORS support to the API you are using. To perform an HTTP POST request in Axios, call axios. 8. Create a new API route file: For creating a new API, create a new file products. Sample illustrating the use of Fetch API POST. This is a quick example of how to fetch data from an API in Redux using an async action created with the Redux Toolkit's createAsyncThunk() function. Other HTTP examples available: React + Fetch: POST, PUT, DELETE. We will build a React Client with Fetch API to make CRUD requests to Rest API in that: React Fetch GET request: get all Tutorials, get Tutorial by Id, find Tutorial by title; React Fetch POST request: create new Tutorial; React Fetch PUT request: update an existing Tutorial Apr 22, 2024 · Using Fetch React Native provides the Fetch API for your networking needs. Using Axios. In this example, we'll use the OpenWeatherMap API to fetch weather data for a specific location. A fetch() promise only rejects when the request fails, for example, because of a badly-formed request Oct 12, 2022 · Still, it’s good to know what fetch can do, so if the need arises, you can return and read the details. js v21. Dec 8, 2020 · So I would like use my fetch () with : mode : 'no-cors'. js environments, the Fetch API offers a straightforward and effective interface. To process the response, we first check that the response status is 200, then parse the response as JSON. The JavaScript Fetch API is a pivotal part of modern web development, providing an interface for fetching resources (including across the Nov 1, 2023 · The Fetch API finds stability in Node. Step #2: Run the application. The component will utilize the useState and useEffect hooks to manage state and handle the data fetching process respectively. The Fetch API is basically a modern replacement for XHR — it was introduced in browsers recently to make asynchronous HTTP requests easier to do in JavaScript, both for developers and other APIs that build on top of Fetch. In this example, we will simply revise our Fetch example by first installing axios using npm: npm install axios. You may refer to MDN's guide on Using Fetch for additional information. The polyfill released by GitHub allows us to use fetch on any browser. It is implemented widely by modern browsers and is used to call an API. Jun 16, 2022 · Tutorial built with React 18. catch() methods, as well as the async/await syntax. This tutorial shows how to call an ASP. 0, Redux 4. In this section, you'll add an HTML page containing forms for creating and managing to-do items. Now run the following command to create a React app. Create the following folders: public. Mar 15, 2018 · The Fetch API has been standardized as a modern approach to asynchronous network requests and uses Promises as a building block. js Mar 7, 2024 · In our fetch JSON example (run fetch JSON live), we create a new request using the Request() constructor, then use it to fetch a . Jun 7, 2017 · For making a request and fetching a resource, use the GlobalFetch. To get the actual data, you call one of the methods of the Response object e. html and add the following code to it. This makes fetching data difficult to abstract and integrate well into the hooks in a natural way. Instead of implementing XMLHttpRequest in Node. typicode. Si la promesse renvoyée est resolve, cela signifie que la fonction dans la méthode then() est bien exécutée. client. Dec 14, 2023 · 1. js runtime. This sample shows how the Fetch API can make POST requests. We will now work on a simple example where we will use the Fetch API and Promises in order to render a list that contains data from an API endpoint. See the Pen React Fetch API Pen 1 by Kingsley Silas Chijioke (@kinsomicrote) on CodePen. Vue 3 is not yet released for production but it's expected to be released soon. AJAX May 12, 2019 · The Fetch API is a JavaScript API for making asynchronous HTTP requests in the browser, similar to XMLHttpRequest (XHR). It doesn’t matter what backend technology you are using (i. fetch ('url') . The code will not work if you execute it. We will be using Aug 18, 2023 · Using the Fetch API. Client: A Blazor Web App that calls the web API app with an HttpClient for todo list operations, such as creating, reading, updating, and deleting (CRUD) items from the todo list. The second approach to making requests with React is to use the library axios. Use the fetch() method to return a promise that resolves into a Response object. . Mar 27, 2023 · Open your terminal or command prompt and navigate to the directory where you want to create your React app. We won't go through an example that uses XMLHttpRequest, but we will show you what the XMLHttpRequest version of our first can store request would look like: Browser Support. The below code snippets are from a React + Redux JWT authentication tutorial I posted recently that includes a live demo, so . 2. post(). Data fetching on button click. To do this, we'll need to: Import useState and useEffect. fetch method. For download instructions, see Samples and Tutorials. This only works if you have control over the target. You can create a new Response object using the Response() constructor, but you are more likely to encounter a Response object being returned as the result of another API operation—for example, a service worker FetchEvent. then(response => {. js to run browser-specific Fetch polyfill, why not go from native http to fetch API directly? Hence, node-fetch, minimal code for a window. The promise is rejected if there is a network error, and it's resolved if there is no problem connecting to the Nov 29, 2023 · You can make a POST request using Axios to “post” data to a given endpoint and trigger events. Sep 17, 2021 · POST request using fetch API: The post request is widely used to submit forms to the server. SWR includes useState() and useEffect(), so there is no need to import them. const promise = fetch(url, [options]) Calling fetch returns a promise, with a Response object. Fetch API POST Sample. Adding an Angular 14 Service. Unlike XMLHttpRequest that is a callback-based API, Fetch is Jun 5, 2017 · Fetch. It's standardized and supported by all modern browsers, except for IE. It also provides examples and exercises to practice fetch with cross-origin requests. Fetch also supports the POST method call. Here's an example of a POST request: Dec 12, 2016 · There has been some changes since writing this answer a while ago. js ecosystem, offering developers a reliable and standardized tool for handling HTTP requests. ES6 (JavaScript 2015) is supported in all modern browsers since June 2017: fetch() is not supported in Internet Explorer. JSONPlaceholder comes with a set of 6 common resources: Mar 10, 2015 · The fetch() request needs only one call to do the same work as the XHR example. Jul 5, 2021 · We’ll cover several approaches with comprehensive code samples to help you determine the best method for your app. js v21 signifies a maturation of the Node. Nov 22, 2023 · This predated Fetch, and was really the first API widely used to implement AJAX. In diesem Tutorial erstellen Sie mit der Fetch-API sowohl GET- als auch POST-Anfragen. Throughout this tutorial, you will learn to use the JavaScript' Fetch API in your Vue 3 app to fetch data and consume a REST API. Background. Feb 14, 2023 · Now that we have a handle on making various HTTP requests with the Fetch API, let's see how we can handle different HTTP responses. Below is a quick set of examples to show how to send HTTP PUT requests to an API using fetch() which comes bundled with all modern browsers. then() and . We'll see by example how to send HTTP requests to a REST server to fetch data in your Vue 3 application. to store these two packages into package. If the request fails, the promise is rejected. We also learned about Promises and how to handle asynchronous operations using the . function api<T>(url: string): Promise<T> {. A fetch() promise only rejects when the request fails, for example, because of a badly-formed request Hey gang, in this async javascript tutorial we'll take a look at how to make fetch requests using the fetch api. This Response object holds the data sent by the API. Oct 4, 2018 · Basic Fetch API template: Note! The example above is just for illustrative purposes. In order for each of these to work we will need to create a redux store and use it in our Provider wrapper. Introduction to JavaScript Fetch API. Example 1: Fetching Weather Data. Instead of making the request from your domain, something else needs to make the request for you. com To delete a to-do item, set the request's method option to DELETE and specify the item's unique identifier in the URL. 1. It can be in a README on GitHub, for a demo on CodeSandbox, in code examples on Stack Overflow, or simply to test things locally. In addition, the options object is passed as the second parameter to the fetch() function. When the fetch is successful, we read and parse the data using json(), then read values out of the resulting objects as you'd expect and insert them into list items to display our product data. Jun 8, 2016 · 12. Make a new folder. With this method, we can perform different types of operations using HTTP methods like the GET method to request data from an endpoint, POST to send data to an endpoint, and more. then (data = > console. Fetch API 사용하기. It is possible to use the npm xml-js library and node-fetch to do this in Node. ) with custom request headers and the ability to post data. PUT — Update an existing record with new data. Sep 14, 2023 · In this code example, we create a simple React component called WeatherApp that fetches weather data based on the user's input for the city. Oct 4, 2017 · Fetch + Async/Await. Mar 11, 2023 · The Fetch API is a modern way to fetch data and is built into most modern browsers. but if I use like that, I can use the data fetched. In this tutorial, we will see how to Integrating React native apps with back end code using fetch API. URL: This is the URL that the request should be sent to. To get the data received in the response, you need to wait Apr 23, 2024 · The global fetch() method starts the process of fetching a resource from the network, returning a promise that is fulfilled once the response is available. Here’s the full list of all possible fetch options with their default values (alternatives in comments): let promise = fetch( url, {. Feb 26, 2024 · Fetching Random User Data. Quando AJAX è apparso per la prima volta nel 1999, ci ha mostrato un buon modo per creare applicazioni web. We have also written a similar guide on how to use Fetch API with Axios, which you can read here. In this tutorial, you will create both GET and POST requests using the Fetch API. With its support for a variety of request formats, including GET Apr 11, 2022 · React Fetch example Overview. fetch compatible API on Node. If you have multiple fetch requests in a route segment (e. Sep 16, 2023 · The Request interface of the Fetch API represents a resource request. The fetch() method takes one mandatory argument, the path to the resource you want to fetch. Axios: GET, POST, PUT, DELETE. We demonstrated how to use the Fetch API to make requests to the Quotes by API Ninjas API and display a random quote using a simple React Native component. Se stai scrivendo un'applicazione web, è probabile che dovrai lavorare con dati esterni provenienti dal tuo database o da API di terze parti. 2. To do a POST request we need to specify additional parameters with the request such as method, headers, etc. json ()) . We will also see the different configurations and properties of these methods using fetch and Aug 3, 2018 · The Fetch API. return fetch(url) . It is a global method in both Window and Worker contexts. then (response => response. In this example, we’ll create a React component called RandomUserData that fetches random user data from the Random Data API. Fetch takes in two inputs, the URL endpoint and a JSON request object and returns a Promise. This long-awaited release adds several improved features and benefits to the Fetch API, confirming its position as a Apr 22, 2020 · We will be using the Fetch API, built-in to every browser for this. Dec 13, 2022 · Fetch and display data from API in React js; React fetch data from API and display in a table; How to debounce and throttle API calls in React; React Axios example - Get/Post/Put/Delete with Rest API; Build Node. Toda REST API tiene tres elementos. npx create-react-app my-app. The Fetch API, through the fetch() method, allows us to make an HTTP request to the backend. While this works with the API used in the example, other responses may return different types of non-JSON data. g. This article explains some of the basic concepts of the Fetch API. Javascript. This free API allows you to get basketball data on major and minor competitions such as live score, standings, teams, odds, etc. Let's convert the last example to use Fetch instead! Make a copy of your previous finished example directory. We can perform delete requests using the delete method, which gets the id and deletes it from the API. This example shows how to make Get request in fetch method. React + Axios: GET, POST, PUT, DELETE. Then we will import it at the top of our component file. Fetch will seem familiar if you have used XMLHttpRequest or other networking APIs before. Here for example is an async/await function that performs a simple GET request and extracts the usernames from the returned JSON response to then log the result at the console Jul 19, 2017 · The Fetch API provides a JavaScript interface for accessing and manipulating parts of the HTTP pipeline, such as requests and responses. Making a POST request in Axios requires two parameters: the URI of the service endpoint and an object that contains the properties you wish to send to the server. I named mine react-api-call. Processing Responses with Fetch. For making a request and fetching a resource, use the fetch() method. La solicitud (request), la respuesta (response) y los encabezados (header). json. Next in line for exploration is the Axios npm package — for this, we will need a package. Data fetching on mount. For testing purposes, you can use the DEMO_KEY API key that NASA provides by default. The Fetch API provides an interface for fetching resources (including across the network). I'm using jsonplaceholder fake API to demonstrate: Fetch api GET request using async/await: Feb 19, 2021 · Jetzt verfügt JavaScript über eine eigene integrierte Möglichkeit, API-Anfragen zu erstellen. a Layout or Page), you can configure the caching behavior of all data requests in the segment using the Segment Config Options. // API for get requests let fetchRes = fetch( "https://jsonplaceholder. This makes it available in pretty much any context you might want to fetch resources in. The final section shows a simple Fetch example – HTTP Client to interact and get data from Rest API in Javascript. Jul 24, 2023 · For this example, you’ll have a go at NASA’s Mars Rover Photo API, and you’ll fetch pictures taken on July 1, 2020. method: "GET", // POST, PUT, DELETE, etc. It covers the concepts of origins, CORS, preflight requests, and credentials. src. json file. Resources. Note: Without options, Fetch will always act as a get request. For the following examples, a dummy website will be used as a target. View all the available cache options in the fetch API reference. For example, delete a user from the database. How to Fetch Data in React Using Axios. js Rest APIs with Express & MySQL; How to timeout fetch requests in JavaScript; How to fix 'ReferenceError: fetch is not defined' in Feb 1, 2021 · In the Fetch example we dispatched our api data and selected it using hooks. As the Fetch API returns a Promise object, you can use the fetch-then syntax. Once the data is fetched, it will be displayed on the screen. Feb 16, 2023 · Below is a quick example of how to add a Bearer Token Authorization Header to an HTTP request in JavaScript using fetch() which comes built into all modern browsers. Get the full Modern JavaScript tutorial on Ud Jan 7, 2019 · Using Fetch API and Promises. 콜백 フェッチ API は、リクエストやレスポンスといったプロトコルを操作する要素にアクセスするための JavaScript インターフェイスです。グローバルの fetch() メソッドも提供しており、簡単で論理的な方法で、非同期にネットワーク越しでリソースを取得することができます。 Apr 19, 2018 · The Fetch API provides a fetch() method defined on the window object, which you can use to perform requests. Dec 10, 2021 · Now, JavaScript has its own built-in way to make API requests. Using the Fetch API. Fetch Bearer Token This sends an HTTP GET request to the Test JSON API with the HTTP Authorization header set to a bearer token. 0 and Redux Toolkit 1. The Fetch API leverages promises, which makes asynchronous actions clearer and easier to understand than with XMLHttpRequest, its predecessor. We’ll cover the following options for fetching data in React Native: Using the inbuilt Fetch API. respondWith, or a simple fetch(). Replace "my-app" with the name you want to give your app. Example 1: Get Request Using Fetch. Using Fetch with a third-party API. First off we install the two modules xml-js and node-fetch with: npm install xml-js --save npm install node-fetch --save. This method returns a Promise that you can use to retrieve the response of the request Jul 9, 2019 · In this tutorial, I will show you how to fetch data from an API to your react app. Prerequisites. Fetch API가 제공하는 전역 fetch() 메서드로 네트워크의 리소스를 쉽게 비동기적으로 취득할 수도 있습니다. For example, create a new user record with name, age, and email address. delete(`${id}`); setPosts(. The Fetch API allows you to asynchronously request a resource. Feb 12, 2021 · 2. js without modification and vice versa. The response to a fetch() request is a Stream object, which means that after we call the json() method, a Promise is returned. Dies ist die Fetch-API, ein neuer Standard, um Serveranfragen mit Promises zu erstellen, der aber noch viele andere Funktionen enthält. zw hi pz tv vy vw ny fe cr ab