window.fetch(input, [init])
Returns: Promise<Response> - see Response
Throws:
- TypeError
- when init.body is set and init.method is either "GET" or "HEAD".
- when either network error or network time-out occurs after a http request is made.
- when there is a failure in reading files in FormData during posting FormData.
| Param | Type | Default | Description |
|---|---|---|---|
input | string | Request | either the URL string to connect with or a Request object having the URL and the init option in the below. | |
[init] | Object | custom options for a HTTP request. | |
[init.method] | Object | "GET" | the HTTP request method. |
[init.headers] | Headers | the HTTP request headers to add. | |
[init.body] | string | ArrayBuffer | TypedArray | FormData | the body that is included in the HTTP request body. There is a caveat for sending a FormData object. see XMLHttpRequest.send. | |
[init.credentials] | string | "\"omit\"" | indicates whether to send cookies. Possible values and functions are as follows: "omit" : cookies are NOT sent, "same-origin" and "include" : cookies are sent. |
