image upload without multer or any of package

 

<script type="text/javascript" >

    function readURL(res) {

        if (res) {

            var reader = new FileReader();

            reader.onload = function (e) {

                console.log(e.target.result);

                $('#blah').attr('src', e.target.result);

            }

            reader.readAsDataURL(res);

        }

    }

  //this is for image preview while uploadding

function view(){

  const file = document.getElementById('imgInp').files[0];

  console.log(file);

//this is image compress

  imageConversion.compressAccurately(file,100).then(res=>{

    //The res in the promise is a compressed Blob type (which can be treated as a File type) file;

    console.log(res);

    readURL(res)

  })

}

imageConversion link

<script src="https://cdn.jsdelivr.net/gh/WangYuLue/image-conversion

/build/conversion.js"></script>