If I want to download a file, what should I do in the then block below?  function downloadFile(token, fileId) {   let url = `https://www.googleapis.com/drive/v2/files/${fileId}?alt=media`;   return fetch(url, {     method: 'GET',     header...
thanks for stopping by.  I want to send a new FormData() as the body of a POST request using the fetch api  the operation looks something like this    var formData = new FormData() formData.append('myfile', file, 'someFileName.csv')...
I want to upload images from my app to S3 server. I have all data and codes calculated (tested using curl on computer) but I can't figure out how to call 'fetch' correctly. I'm getting response:   'At least one of the pre-conditio...
I need to return the result of a function from another page in react native which performing a fetch call. I use the method as follows. As I know this is because asynchronous call. Is there a special way to achieve this in react native ?    fetchcall...
I've done a simple service-worker to defer requests that fail for my JS application (following this example) and it works well. But I still have a problem when requests succeed: the requests are done twice. One time normaly and one time by the se...
I'm new to reactjs, and I'm using create-react-app to get started, but I can't understand how make an api call to fetch data. Here is my code:  import React, { Component } from 'react'; import logo from './logo.svg'; impor...
I'm basically just trying to verify if a resource is reachable from the executing client. I can not use XHR, because the target resource doesn't allow that.  I'm pretty new to JS and am currently working with this ( executable here ):...
I hope I could find some help to the issue.  I'm using React Native and try to get some data from an API called Feiertage-API (https://feiertage-api.de/), that basically returns (should return) the official holidays in Germany.  Trying to use fet...
Update  TL;DR: This is potentially a bug in Safari and/or Webkit.  Longer TL;DR: In Safari, after the Fetch API is used to make a GET request, Safari will automatically (and unintentionally) re-run the the request when the page is reloaded even if th...

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