User File Upload

Demo des uploads von JPG-Files

      function upload(ev) {
	let inp = ev.target, file = inp.files[0];
	console.log(inp, file);
	const img = document.createElement("img");  document.body.appendChild(img);  img.style.display="none";
	img.src = URL.createObjectURL(file);
	img.onload = function() {
	  let canv = new Canvas("fcanvas",img,file.name);
	}
      }