p5.js saveTable() Function

function setup() {
  createCanvas(600, 300);
  textSize(20);
 
  text("Click on the button below to "
        + "save the Table Object", 20, 20);
  
  text("Select the output format:", 20, 60);
 
  // Create radio button for choosing
  // file format to save the table
  radio = createRadio();
  radio.position(30, 80);
  radio.option('csv');
  radio.option('tsv');
  radio.option('html');
 
  // Create a button for saving the Table object
  saveBtn = createButton("Save Table to file");
  saveBtn.position(30, 120);
  saveBtn.mousePressed(saveFile);
 
  // Create the table for saving to file
  table = new p5.Table();
 
  table.addColumn('Invention');
  table.addColumn('Inventors');
 
  let tableRow = table.addRow();
  tableRow.setString('Invention', 'Telescope');
  tableRow.setString('Inventors', 'Galileo');
 
  tableRow = table.addRow();
  tableRow.setString('Invention', 'Steam Engine');
  tableRow.setString('Inventors', 'James Watt');
 
  tableRow = table.addRow();
  tableRow.setString('Invention', 'Radio');
  tableRow.setString('Inventors', 'Guglielmo Marconi');
}
 
function saveFile() {
 
  // Get the output format selected
  // from the radio buttons
  outputFormat = radio.value();
 
  // Save the table to file with the given format
  saveTable(table, 'tableOutput', outputFormat);
}