I am learning React.js and trying to fetch API like this and this is the error I get http://prntscr.com/k36ggq I am pretty new in this, so if anyone can help me with this that would be great. Thanks Answer Try by setting the header as follows. https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS You just re…
Tag: fetch-api
Proper Way to Make API Fetch ‘POST’ with Async/Await
I’m working on a project that requires me to make requests to an API. What is the proper form for making a POST request with Async/Await? As an example, here is my fetch to get a list of all devices. How would I go about changing this request to POST to create a new device? I understand I would have
Fetch request to local file not working
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? Answer I was encountering the same error and there are two changes I made in my code to get rid of the error.
Javascript using Fetch and pagination, recursive?
Hello I’m new to Javascript and APIs. But I have an excersise where I should get Data from. https://swapi.co/api/planets/ The problem is that it doesn’t list all the planets at once so that URL only shows the first 10 entries while https://swapi.co/api/planets/?page=2 shows the next and so on. Thi…
JS – fetch API, GET method return “ƒ json() { [native code] }”
I woud like to understand the difference between the two get methods, one work, the other not really but i don t understand why. This doesn’t work: and return : ƒ json() { [native code] } This works well: and return: {tasks: Array(4)} tasks : (4) [{…}, {…}, {…}, {…}] proto : Object If you want to try it…
Javascript – How to know the type of the response in Fetch API?
How to know the type of the response in Fetch API? In XMLHttpRequest, there’s the responseType property which indicates the type of the returned response’s body (json, text, blob, etc.). While in the Fetch API response, even though there are useful methods to parse its body (json(), text(), blob()…
Does fetch support multiple file upload natively?
Summary I am trying to set my FormData properly using javascript. I need to be able to upload jpg/png, but I might need to upload some other file types pdf/csv in the future using fetch. Expected I expect it to append the data to the form Error Working This snippet is working fine: Not working Question Does f…
Fetch local JSON file from public folder ReactJS
I have a problem since two days; I want read a local JSON from my public folder on my React application created with react-app. This is my project structure: public data mato.json (my .JSON file) src components App.js Why I put my file in public folder? If I build my project with file in src folder, my file w…
CORS error, but data is fetched regardless
I have a generated React site I am hosting in an S3 bucket. One of my components attempts to fetch something when loaded: The url I am fetching is an AWS API Gateway. I have enabled CORS there, via the dropdown, with no changes to the default configuration. In my console, for both the remote site and locally …
fetch() unexpected end of input
I am using fetch() to grab data from api server. My error looks like this: Can you please tell me what am I doing wrong. Answer Opaque Responses A response for a no-cors request to a cross-origin resource has a response type of ‘opaque’. If you log the response before trying to turn it to JSON, yo…