I'm trying to POST a JSON object using fetch.  From what I can understand, I need to attach a stringified object to the body of the request, e.g.:  fetch("/echo/json/", {     headers: {       'Accept': 'application/json'...

There is a new API for making requests from JavaScript: fetch(). Is there any built in mechanism for canceling these requests in-flight?...

My browser is logging the following message in the devtools console:     No 'Access-Control-Allow-Origin' header is present on the requested resource.… The response had HTTP status code 503.    Background: I have two apps. One that is an...

I have some parameters that I want to POST form-encoded to my server:  {     'userName': '[email protected]',     'password': 'Password!',     'grant_type': 'password' }   I'm sending my request (cur...

If I have an array of urls:  var urls = ['1.txt', '2.txt', '3.txt']; // these text files contain "one", "two", "three", respectively.   And I want to build an object that looks like this:  var text =...

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...

Perhaps I misunderstood how catching errors with async/await is supposed to work from things articles like this https://jakearchibald.com/2014/es7-async-functions/ and this http://pouchdb.com/2015/03/05/taming-the-async-beast-with-es7.html, but my...

I'm trying to use the new Fetch API:   I am making a GET request like this:  var request = new Request({   url: 'http://myapi.com/orders',   method: 'GET' }); fetch(request);   However, I'm unsure how to add a query string t...

I'm trying to make a request in a local file, but I don't know when I try to do on my computer show me an error. Is possible make a fetch to a file inside your project?   // Option 1  componentDidMount() {      fetch('./movies.json'...

I am trying to make a cors PUT request using the vanilla Fetch API  When I click my button to send the PUT request, the method on the first request is OPTIONS. It is only when I click the button again, then the method on the request changes to PUT. W...