node.js

gistfile1.txt

    var url = "http://s3.amazonaws.com/api.88x.us/dlQBxMbRwf6RBEcbQw_3pB-xw9Q/blogs";
    var body = "";

    require("http").get(url, function(res) {
        res.on("data", function(chunk) { body += chunk; });
        res.on("end", hotovoKonecne);
    });

    function hotovoKonecne(){
        var tuMaBytArray = JSON.parse(body);
        tuMaBytArray.push({"a":"b"})
    }