tiny xhr snippet to do XMLHttpRequest

tinyxhr.js

// license: public domain - original author: Shimon Doodkin - https://gist.github.com/4706967
//
// tinyxhr("http://site.com/ajaxaction",function (err,data,xhr){ if (err) console.log("goterr ",err,'status='+xhr.status); console.log(data)  });
// tinyxhr("http://site.com/ajaxaction",function (err,data,xhr){ if (err) console.log("goterr ",err,'status='+xhr.status); console.log(data)  },'POST','value1=1&value2=2');
// tinyxhr("http://site.com/ajaxaction.json",function (err,data,xhr){ if (err) console.log("goterr ",err,'status='+xhr.status); console.log(data); console.log(JSON.parse(data))  },'POST',JSON.stringify({value:1}),'application/javascript'); 
// cb - a callback function like: function (err,data,XMLHttpRequestObject){ if (err) throw err;   }
// 

function tinyxhr(url, cb, method, post, contenttype, auth, timeout) {
    var requestTimeout, xhr;
    try {
        xhr = new XMLHttpRequest();
    } catch (e) {
        try {
            xhr = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            if (console) console.log("tinyxhr: XMLHttpRequest not supported");
            return null;
        }
    }
    requestTimeout = setTimeout(function() {
        xhr.abort();
        cb(new Error("tinyxhr: aborted by a timeout"), "", xhr);
    }, timeout ? timeout : 10000);
    xhr.onreadystatechange = function() {
        if (xhr.readyState != 4) return;
        clearTimeout(requestTimeout);
        cb(xhr.status != 200 ? new Error("tinyxhr: server respnse status is " + xhr.status) : false, xhr.responseText, xhr);
    }

    xhr.open(method ? method.toUpperCase() : "GET", url, true);

    if (auth) {
        xhr.setRequestHeader("Authorization", auth);
    }

    if (!post)
        xhr.send();
    else {
        xhr.setRequestHeader('Content-type', contenttype ? contenttype : 'application/x-www-form-urlencoded');
        xhr.send(post)
    }
}

//tinyxhr("/test",function (err,data,xhr){ if (err) console.log("goterr ",err); console.log(data)  });

//Callback must accept three values:
//1) Error or false
//2) The XHR responseText
//3) The XHR Object

tinyxhr.min.js

// tinyxhr by Shimon Doodkin - licanse: public doamin - https://gist.github.com/4706967
//
// tinyxhr("http://site.com/ajaxaction",function (err,data,xhr){ if (err) console.log("goterr ",err,'status='+xhr.status); console.log(data)  });
// tinyxhr("http://site.com/ajaxaction",function (err,data,xhr){ if (err) console.log("goterr ",err,'status='+xhr.status); console.log(data)  },'POST','value1=1&value2=2');
// tinyxhr("http://site.com/ajaxaction.json",function (err,data,xhr){ if (err) console.log("goterr ",err,'status='+xhr.status); console.log(data); console.log(JSON.parse(data))  },'POST',JSON.stringify({value:1}),'application/javascript'); 
// cb - a callback function like: function (err,data,XMLHttpRequestObject){ if (err) throw err;   }
// 

function tinyxhr(url,cb,method,post,contenttype){var c=url,a=cb,i=method,f=post,b=contenttype;var d,h;try{h=new XMLHttpRequest()}catch(g){try{h=new ActiveXObject("Msxml2.XMLHTTP")}catch(g){if(console){console.log("tinyxhr: XMLHttpRequest not supported")}return null}}d=setTimeout(function(){h.abort();a(new Error("tinyxhr: aborted by a timeout"),"",h)},10000);h.onreadystatechange=function(){if(h.readyState!=4){return}clearTimeout(d);a(h.status!=200?new Error("tinyxhr: server respnse status is "+h.status):false,h.responseText,h)};h.open(i?i.toUpperCase():"GET",c,true);if(!f){h.send()}else{h.setRequestHeader("Content-type",b?b:"application/x-www-form-urlencoded");h.send(f)}};