default Response - http code 200
Response {
body: ReadableStream
bodyUsed: true
headers: Headers {}
__proto__: Headers
ok: true
redirected: false
status: 200
statusText: "OK"
type: "basic"
url: "http://wwwdev.mins01.com/web_work/doc/HTML5/fetch/target.txt"
}
default Response - http code 404
Response {
body: ReadableStream
bodyUsed: false
headers: Headers {}
ok: false
redirected: false
status: 404
statusText: "Not Found"
type: "basic"
url: "http://wwwdev.mins01.com/web_work/doc/HTML5/fetch/target.txtx"
}