HTTP request

HTTP /pictures/kitty.jpg /HTTP/1.1
HTTP /pictures/kitty.jpg /HTTP/2.0

header section below
—
HTTP /pictures/kitty.jpg /HTTP/2.0
Host: www.google.com
User-Agent: Mizilla/5.0
Connection: keep-alive
Accept: text/html
If-None-Match: fd87e6789

HTTP Response
—-
HTTP/1.1 200 OK
Content-Length: 16824　(※how many byte server send)
Server: Apache
Content-Type: text/html
Date: Wed, 06 Apr 2016
Etag: fd87e6789

binary data

http

fetch("http://www.example.com", {
	"method": "GET ",
	"headers": {

	}
});

fetch("password.txt", {
	"method": "PUT",
	"headers": {
		"exercise": "fetch rocks!"
	}
});