createFileInput() for CSV

.block

height: 25
scrolling: no
border: yes

index.html

<script async src=https://cdn.JsDelivr.net/npm/p5></script>
<script defer src=sketch.js></script>

sketch.js

/**
 * createFileInput() for CSV (v1.0)
 * GoToLoop (2019-Feb-18)
 *
 * https://Discourse.Processing.org/t/load-csv-file-with-createfileinput/8488/6
 * https://Bl.ocks.org/GoSubRoutine/f5261f83d9600c495e384d9f5824a077
 */

"use strict";

let csv;

function setup() {
  noCanvas();
  createFileInput(gotFile);
}

function gotFile(f) {
  print(`File "${f.name}" of type "${f.type}" was chosen.`);
  if (f.name.endsWith('.csv'))  return csv = loadTable(f.data, 'header', print);
  console.warn("However it isn't a CSV file!");
}