JSFiddle - React, Tailwind, and code Playground

HTML

<button type="button" class="btn btn-primary" id="bid_uploadPicture">Subir Imagen</button>
<input type="file" id="file" style="display:none;" />

JavaScript

jQuery(function($) {

  $("#bid_uploadPicture").click(function() {
    event.preventDefault();
    document.getElementById("file").click();
  });

  var fr = new FileReader();
  $("#file").change(function() {
    fr.onload = imageIsLoaded;
    fr.readAsArrayBuffer(this.files[0]);
  });
});

function imageIsLoaded(e) {
  data = new Uint8Array(e.target.result)
  console.log(e.target.result);
}