var ajax_form = function(conf){

  jQuery.ajax({
    url: conf.url,
    type: conf.type||'post',
    data: conf.data, //formdata
    contentType:false,
    cache:false,
    processData:false,
    crossDomain: !!conf.curl,
    dataType: conf.dataType||"json",
    success:conf.success||function(){},
    error:conf.error||function(){},
    complete:conf.complete||function(){},
  })/*.done(function(data){
    return conf.success && conf.success(data);
  }).fail(function(data){
    return conf.error && conf.error(data);
  })*/;


  // fetch(conf.url, {
  //   method: conf.type||'POST',
  //   mode: 'cors', // no-cors, *cors, same-origin
  //   cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
  //   credentials: 'same-origin', // include, *same-origin, omit
  //   headers: {
  //     'Content-Type': 'multipart/form-data',
  //     //'Content-Type': 'application/json',
  //     //'Content-Type': 'application/x-www-form-urlencoded',
  //   },
  //   redirect: 'follow', // manual, *follow, error
  //   referrerPolicy: 'no-referrer', // no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url
  //   body: conf.data, // body의 데이터 유형은 반드시 "Content-Type" 헤더와 일치해야 함
  // })
  // .then(response => conf.complete)
  // .then(data => conf.success)
  // .catch(error => conf.error);
};

var ajax_json = function(conf){

  jQuery.ajax({
    url: conf.url,
    type: conf.type||'post',
    data: conf.data, //json data
    async: true,
    crossDomain: !!conf.curl,
    dataType: conf.dataType||"json",
    success:conf.success||function(){},
    error:conf.error||function(){},
    complete:conf.complete||function(){},
  })/*.done(function(data){
    return conf.success && conf.success(data);
  }).fail(function(data){
    return conf.error && conf.error(data);
  })*/;
};

var ajax_str = function(conf){

  jQuery.ajax({
    url: conf.url,
    type: conf.type||'post',
    data: conf.data, //querystring, stringfiy
    contentType: "application/json; charset=utf-8",
    crossDomain: !!conf.curl,
    dataType: conf.dataType||"json",
    success:conf.success||function(){},
    error:conf.error||function(){},
    complete:conf.complete||function(){},
  })/*.done(function(data){
    return conf.success && conf.success(data);
  }).fail(function(data){
    return conf.error && conf.error(data);
  })*/;
};