fetch-api

I have a reverse proxy server, which redirects you to different services depending on the Host header. However when making requests to this server using a browser, the Host is always set to the domain name in the URL. I tried: fetch("http://foo.com", {"headers":{"Host":"bar.foo.com"}}) But it doesn't work Host is one of the forbidden header names : A forbidden header name is an HTTP header name that cannot be modified programmatically. 来源： https://stackoverflow.com/questions/43285286/can-you-set-the-host-header-using-fetch-api

I'm building a front-end only basic Weather App using reactjs. For API requests I'm using Fetch API. In my app, I'm getting the current location from a simple API I found and it gives the location as a JSON object. But when I request it through Fetch API, I'm getting this error. Failed to load http://ip-api.com/json: Request header field Access-Control-Allow-Origin is not allowed by Access-Control-Allow-Headers in preflight response. So I searched through and found multiple solutions to fix this. Enabling CORS in Chrome solves the error but when I deploy the app on heroku, how can I access it

I am using fetch on chrome Version 52.0.2743.82 (64-bit). I want to get all the headers in the response. Following snippet only return content-type but if you peek into chrome dev tools it shows many other response headers. How to get other headers from fetch. fetch('https://httpbin.org/get') .then(response => { const headers = response.headers.entries(); let header = headers.next(); while (!header.done){ console.log(headers.value); header = header.next(); } }) I tried polyfilling(manually overriding) the github implementation. Still no luck. Adnan Umer You can't access all the headers when

I have a ReactJS application that works as expected in Chrome, but fails in IE-11. The problem is this - we have two drop down lists which are populated from rest services when the page is first loaded. The application is running under SSL. When the page is loaded through IE-11, I get an IE-11 bug issue where the first request call gets cancelled out by the second-the bug is described here: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/1282036/ So, I am just asking the community whether there is a work around for IE-11 or is there away to implement my code sequentially