I have an app, which I’m using fetch to authenticate user. It was working until few days ago and I haven’t change anything. Just upgraded from react 0.27 to 0.28, not fetch is not working. I have searched for almost 2 days and I have read almost all questions in Stack Overflow. Most of users trying to fetch something from
Tag: fetch-api
Why does .json() return a promise?
I’ve been messing around with the fetch() api recently, and noticed something which was a bit quirky. post.data returns a Promise object. http://jsbin.com/wofulo/2/edit?js,output However if it is written as: post here is a standard Object which you can access the title attribute. http://jsbin.com/wofulo/edit?js,output So my question is: why does response.json return a promise in an object literal, but return the
React Native Post Request via Fetch throws Network Request Failed
I’ve came across the following error. At the moment I developing an Android App with React Native therefore I’m planning to use fetch for doing a post request for me. The app now throws an error: TypeError: Network request failed When I change the code to a GET-Request it’s working fine, in the browser with a window.alert() as a return
How can I download a file using window.fetch?
If I want to download a file, what should I do in the then block below? Note: The code is on the client-side. Answer I temporarily solve this problem by using download.js and blob. It’s working for small files, but maybe not working for large files. I think I should dig Stream more.
How can I fetch an array of URLs with Promise.all?
If I have an array of urls: And I want to build an object that looks like this: I’ve been trying to learn to do this with fetch, which of course returns Promises. Some things I’ve tried that don’t work: This doesn’t look right, and in any case it doesn’t work — I don’t end up with an array [‘one’,
Fetch: POST JSON data
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.: When using jsfiddle’s JSON echo I’d expect to see the object I’ve sent ({a: 1, b: 2}) back, but this does not happen – chrome devtools doesn’t even show the JSON as