file_reader.js

gistfile1.js

function handleFileSelect(evt) {
    var files = evt.target.files; // FileList object

    window.fileContent = evt.target.result;
    // files is a FileList of File objects. List some properties.
    var output = [];

    var contents = e.target.result;
    for (var i = 0, f; f = files[i]; i++) {
      output.push('<li><strong>', escape(f.name), '</strong> (', f.type || 'n/a', ') - ',
                  f.size, ' bytes, last modified: ',
                  f.lastModifiedDate.toLocaleDateString(), '</li>');
    }
    document.getElementById('test').innerHTML = '<ul>' + output.join('') + '</ul>';
  }

  document.getElementById('bulk_products_facets_csv').addEventListener('change', handleFileSelect, false);