Fetch API
fetch()
This API is used to GET and POST across a network.
Please note: fetch() can only be used to access https endpoints and
resources, except when accessing resources on a local network by IP address.
fetch.fetch(input: RequestInfo, init?: RequestInit | undefined)
Parameters
input: RequestInfo
(optional) init: RequestInit or undefined
ResponseType
String: "error" | "default"
Interface: ResponseInit
Properties
headers
Headers or string[][] or { [key: string]: string; } or undefined
status
number or undefined
statusText
string or undefined
Class: Response
Properties
readonly bodyUsed
boolean
readonly headers
readonly ok
boolean
readonly status
number
readonly statusText
string
readonly type
readonly url
string
Methods
arrayBuffer()
Returns: Promise<ArrayBuffer>
blob()
Returns: Promise<Blob>
clone()
Returns: Response
formData()
Returns: Promise<FormData>
json()
Returns: Promise<any>
text()
Returns: Promise<string>
RequestCredentials
String: "omit" | "same-origin" | "include"
Interface: RequestInit
Properties
body
string or ArrayBuffer or ArrayBufferView or Blob or FormData or undefined
credentials
"omit" or "same-origin" or "include" or undefined
headers
Headers or string[][] or { [key: string]: string; } or undefined
method
string or undefined
Class: Request
Properties
readonly bodyUsed
boolean
readonly credentials
readonly headers
readonly method
string
readonly url
string
Methods
arrayBuffer()
Returns: Promise<ArrayBuffer>
blob()
Returns: Promise<Blob>
clone()
Returns: Request
formData()
Returns: Promise<FormData>
json()
Returns: Promise<any>
text()
Returns: Promise<string>
RequestInfo
String: string | Request
Interface: Body
Properties
readonly bodyUsed
boolean
Methods
arrayBuffer()
Returns: Promise<ArrayBuffer>
blob()
Returns: Promise<Blob>
formData()
Returns: Promise<FormData>
json()
Returns: Promise<any>
text()
Returns: Promise<string>
ResponseBodyInit
String: string | ArrayBuffer | ArrayBufferView | Blob | FormData
BodyInit
String: string | ArrayBuffer | ArrayBufferView | Blob | FormData
Class: Headers
Methods
append()
append(name: string, value: string)
Returns: void
delete()
delete(name: string)
Returns: void
entries()
Returns: IterableIterator<string, string>
forEach()
forEach(callback: (value: string, key: string, headers: Headers) => void, thisArg?: any)
Returns: void
get()
get(name: string)
Returns: string or null
has()
has(name: string)
Returns: boolean
keys()
Returns: IterableIterator<string>
set()
set(name: string, value: string)
Returns: void
values()
Returns: IterableIterator<string>
HeadersInit
String: Headers | string[][] | { [key: string]: string; }
