Sometimes, we want to set the content-type of request header when using Fetch API with JavaScript.
In this article, we’ll look at how to set the content-type of request header when using Fetch API with JavaScript.
How to set the content-type of request header when using Fetch API with JavaScript?
To set the content-type of request header when using Fetch API with JavaScript, we can put the header in a Header object.
For instance, we write
const options = {
method,
headers: new Headers({ "content-type": "application/json" }),
mode: "no-cors",
body: JSON.stringify(body),
};
await fetch(url, options);
to call fetch to make a request to the url with the request method.
We set headers to a Headers object with the content-type header set to 'application/json'.
body is the stringified request body JSON.
Conclusion
To set the content-type of request header when using Fetch API with JavaScript, we can put the header in a Header object.
