if (typeof FileReader !== "undefined") { var size = document.getElementById('upload_file').files[0].size; size = Math.round(size / 1024); console.log(size+' KB'); }
Think out of the box
if (typeof FileReader !== "undefined") { var size = document.getElementById('upload_file').files[0].size; size = Math.round(size / 1024); console.log(size+' KB'); }