纯js提交get和post请求

function get(URL, PARAMS)
                        {
                            var temp = document.createElement("form");
                            temp.method = "get";
                            temp.style.display = "none";
                            var data = "?";
                            for (var x in PARAMS)
                            {
                                data += x + "=" + PARAMS[x] + "&";;
                            }
                            data = data.slice(0, data.length-1);
                            temp.action = URL + data;
                            document.body.appendChild(temp);
                            temp.submit();
                            return temp;
                        }

function post(URL, PARAMS)
                        {
                            var temp = document.createElement("form");
                            temp.action = URL;
                            temp.method = "post";
                            temp.style.display = "none";
                            for (var x in PARAMS)
                            {
                                var opt = document.createElement("textarea");
                                opt.name = x;
                                opt.value = PARAMS[x];
                                //alert(opt.name);
                                temp.appendChild(opt);
                            }
                            document.body.appendChild(temp);
                            temp.submit();
                            document.getElementById("rollback").submit();
                            return temp;
                        }