Print HTTP response header via Go standard net/http package.

Send HTTP request with cookies via Go standard net/http package.

HTTP request with custom User-Agent header via Go standard net/http package.

A Go server that returns HTTP request headers via JSONP.

JSONP example - show your HTTP request headers.

JSONP example by Vue.js.

Run Golang program in your browser by GopherJS. Access HTTP Request Header by getAllResponseHeaders() method in XMLHttpRequest (XHR) request.

Run Golang program in your browser by GopherJS. Access Accept-Language field in HTTP Request Header by JSONP to detect browser language preference (user locale).

Parse Accept-Language in HTTP Request Header in JavaScript Programming Language.

Parse Accept-Language in HTTP Request Header in Go Programming Language.

Detect user locale/language from HTTP request header on Google App Engine for Python.

Parse Accept-Language in HTTP Request Header in Python.

Config Access-Control-Allow-Origin in HTTP headers on Google App Engine.