Need a quick test for a POST request? Paste the following into your FireBug Console

firebug.js

//create a handler
var xhr = new XMLHttpRequest();

//define where the data will be sent to
xhr.open("POST", "http://someawesomehost/");

//set some chololate headers
xhr.setRequestHeader("Content-type", "application/json");

//and send ya content
xhr.send('{"some_id":123456, "foo":"bar"}');