function uploadFile(url,formData,f) {
 
    var xhr = new XMLHttpRequest();
    xhr.open('POST', url, true);
 
    xhr.setRequestHeader("api-key","TEST");
    xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');

    // Update progress (can be used to show progress indicator)
    xhr.upload.addEventListener("progress", function (e) {
      //E(i, e.loaded * 100.0 / e.total || 100);
    });

    xhr.addEventListener('readystatechange', function (e) {
      if (xhr.readyState == 4 && xhr.status == 200) {
 
        var txt = xhr.responseText;
        try{
          txt= JSON.parse(txt)
        }catch(e){}

        f(txt);
      } else
      if (xhr.readyState == 4 && xhr.status != 200) {
        f("error");
      }
    });
    //send
    xhr.send(formData);
    
  }
//go
document.selectQuery(".inputfile").change = function(e){
    var formData = new FormData();
    data.append("file",this.files[0]);

    uploadFile(url,formData,function(res){
       console.log(res);
    });
};

 function postForm(u, _, E) {
    $.ajax({
        beforeSend: function (xhr) {
            xhr.setRequestHeader('api-key', "TEST");
            // Update progress (can be used to show progress indicator)
            xhr.upload.addEventListener("progress", function (e) {
              //f(i, e.loaded * 100.0 / e.total || 100);
            });
        },
        type: "POST",
        url: u,
        global: false,
        data: _,
        processData: false,
        contentType: false,
        async: true,
        success: function(u) {
            try {
                u = JSON.parse(u)
            } catch (_) {}
            E(u)
        },
        error: function(u, _, E) {
            this.success(u.responseText)
        }
    })
}
//go
$(".inputfile").on("change",function(e){
  var data = new FormData();
  data.append("file",this.files[0]);

  postForm(url,data,function(res){
    console.log(res);
  });
});

//go
document.selectQuery(".inputfile").change = function(e){
   const form_data = new FormData();
  form_data.append("file", this.files[0]);

  const request_config = {
    headers: {
      "api-key": "TEST"
      "Content-Type": "multipart/form-data"
    },
    data: form_data
  };

  axios.post(url, form_data, request_config).then(function(res){

  });
};

import fs from "fs";


const form_data = new FormData();
form_data.append("file", fs.createReadStream(file.path));

const request_config = {
  headers: {
    "api-key": "TEST",
    "Content-Type": "multipart/form-data"
  },
  data: form_data
};
//go
   axios .post(url, form_data, request_config).then(function(res){
      
  });

function post($file,$url,$data=[],$headers=array()){
 
    $image = fopen($file, "rb");


    $ch = curl_init();
    curl_setopt($ch, CURLOPT_INFILE, $image);
    curl_setopt($ch, CURLOPT_INFILESIZE, filesize($file));
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_POST, 1); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_HTTPHEADER,$headers );
      
    $result = curl_exec($ch);
    $a =  @json_decode($result);
    return is_object($a)?$a:$result; 
}
//how to use
$apikey="....";
$headers=["api-key: ".$apikey];
//
$data=[];
$file = "image.jpg";
//begin
$res = post($file,$url,$data,$headers);
if($res->code){
  echo $res->url;
}else{
   echo $res->error; 
}

<script src="https://storage.donggiatri.com/sdk.min.js?callback=storage_callback"></script>
<script>
window.storage_callback = function(){
    var server = {
      apikey:"...",
      host:"...",
      zone:"vn",
      user:{
         _id:0,
         name:"ABC"
      }
    };
    //how to use
    ServerStorage(server).then(function(io){
 
      io.message(function(data){
          
      });
      //upload file
      var data={
          file : null,
          progress: function(percent,loaded,total){

          }
      };
      io.upload(data).then(function(res){
         //your code
      }).then(function(res){
         //your code
      });
    }); 
};
</script>

Example