fetch

问题 Just as background, I have a react app sitting on a remote EC2 Ubuntu instance. The same server also runs a Go app listening on port 8080 (port has been opened to everyone from the Security settings). I am trying to make a request with Fetch API, from the React app, as follows: var bearer = 'Bearer ...' return fetch('http://localhost:8080/home', { headers: new Headers({ 'Authorization': bearer }) }) In the console, from both Chrome and Firefox, I am getting: TypeError: NetworkError when

问题 Just as background, I have a react app sitting on a remote EC2 Ubuntu instance. The same server also runs a Go app listening on port 8080 (port has been opened to everyone from the Security settings). I am trying to make a request with Fetch API, from the React app, as follows: var bearer = 'Bearer ...' return fetch('http://localhost:8080/home', { headers: new Headers({ 'Authorization': bearer }) }) In the console, from both Chrome and Firefox, I am getting: TypeError: NetworkError when

问题 I am having an issue sorting through posts by date in safari. All works as expected in Chrome. First I fetch all the posts from my API. I then fetch some posts from the facebook api. These get combined together in an array. If I post a new post, it publishes it to facebook and sends back the post to display on my website. In chrome it automatically sorts this by date and is added in the right spot. In safari, all the new facebook posts get added to the end of the array - unsorted by date.

问题 I am having an issue sorting through posts by date in safari. All works as expected in Chrome. First I fetch all the posts from my API. I then fetch some posts from the facebook api. These get combined together in an array. If I post a new post, it publishes it to facebook and sends back the post to display on my website. In chrome it automatically sorts this by date and is added in the right spot. In safari, all the new facebook posts get added to the end of the array - unsorted by date.

问题 Im quite new to programming and I'm stuck with a problem. This is my code : fetch('https://feed.tunein.com/profiles/s9615/nowPlaying') .then(response => response.json()) .then(data => console.log(data)) This is the response I get back : { Header: { Title: 'Radio 1', Subtitle: 'BQL - Muza' }, Primary: { GuideId: 's9615', Image: 'http://cdn-radiotime-logos.tunein.com/s9615q.png', Title: 'Radio 1', Subtitle: 'Več dobre glasbe' }, Secondary: { GuideId: 'o0', Image: 'http://cdn-radiotime-logos

问题 The Response interface of the Fetch API has a read-only flag, redirected , which indicates whether or not the response was the result of a request that was redirected. Does the axios library have a similar capability? The best I could find is maxRedirects which sets the maximum number of redirects to follow. However, I am simply looking to determine if it happened or not (so I can handle redirects specially), not prevent it from happening. 回答1: If axios exposes the equivalent of the fetch API

问题 I do not know how to access the parameter x-error-detail-header. I receive this response headers from a request using node-fetch npm package: Headers { [Symbol(map)]: { 'content-type': [ 'text/xml' ], date: [ 'Fri, 27 Apr 2018 09:46:56 GMT' ], 'retry-after': [ '51184' ], server: [ 'xxxxx' ], 'x-error-detail-header': [ 'Account Over Rate Limit' ], 'x-x-error-code': [ 'ERR_403_DEVELOPER_OVER_RATE' ], 'x-x-responder': [ 'xxxxxxx.com' ], 'x-plan-qps-allotted': [ '2' ], 'x-plan-qps-current': [ '1'

问题 I do not know how to access the parameter x-error-detail-header. I receive this response headers from a request using node-fetch npm package: Headers { [Symbol(map)]: { 'content-type': [ 'text/xml' ], date: [ 'Fri, 27 Apr 2018 09:46:56 GMT' ], 'retry-after': [ '51184' ], server: [ 'xxxxx' ], 'x-error-detail-header': [ 'Account Over Rate Limit' ], 'x-x-error-code': [ 'ERR_403_DEVELOPER_OVER_RATE' ], 'x-x-responder': [ 'xxxxxxx.com' ], 'x-plan-qps-allotted': [ '2' ], 'x-plan-qps-current': [ '1'

问题 I have the url to a possibly large (100+ Mb) file, how do I save it in a local directory using fetch? I looked around but there don't seem to be a lot of resources/tutorials on how to do this. Thank you! 回答1: Using the Fetch API you could write a function that could download from a URL like this: const downloadFile = (async (url, path) => { const res = await fetch(url); const fileStream = fs.createWriteStream(path); await new Promise((resolve, reject) => { res.body.pipe(fileStream); res.body

问题 So my code here return a Promise and since I'm using then syntax I don't know why that happens :-?? fetch('someurltoAJsonFile.json') .then(function(response) { console.log(response.json());}); 回答1: response.json() in node-fetch library also returns a promise, instead try fetch('someurltoAJsonFile.json') .then(response => response.json()) .then(data => { console.log(data) }); you can look up more details about it here EDIT: It seems that the returned response wasn't in the valid json, so for