javascript proxy checker [imgur, NodeJS]

function proxycheck() {
            pl1 && pl1.forEach(function(v,i,a){

                /* proxy test */
                var p1=v.split(":");
                var options = {method: 'GET', 'path': 'http://imgur.com/stats', headers: {'Host': 'imgur.com' }};
                options.host=p1[0];
                options.port=p1[1];
                var req = http.request(options, function(response) {
                    var bytes1=0;
                    response.on('data', function(chunk) {bytes1+= chunk.length;});
                    response.on('end', function() {
                        console.log(response.statusCode,bytes1,req.proxy,response.statusCode==200&&bytes1==26777);
                        if (response.statusCode==200&&bytes1>25000) {
                            pl.push(req.proxy);
                            }
                        else {
                            var i=pl1.indexOf(req.proxy);
                            i&pl1.splice(i,1);
                            }
                        })
                    });
                req.proxy=v;
                req.on('error', function(e) {console.log("# ERROR\t",req.proxy,e)});
                req.setTimeout(30000,function(){req.abort()});
                req.write('');
                req.end();

                /* */
                })


    }