Code used to retrieve an user's watched repositories on Github. Always returns 30 results.

test.js

fetchJSONFile("https://api.github.com/users/" + userName + "/subscriptions", function(data){
  ...
}

function fetchJSONFile(path, callback) {
    var httpRequest = new XMLHttpRequest();
    httpRequest.onreadystatechange = function() {
        if (httpRequest.readyState === 4) {
            if (httpRequest.status === 200) {
                var data = JSON.parse(httpRequest.responseText);
                if (callback) callback(data);
            }
        }
    };
    httpRequest.open('GET', path);
    httpRequest.send();
}