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 or 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 or ArrayBuffer or TypedArray or 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. |