JS

JAVASCRIPT READ CSV FILE INTO ARRAY

(quick guide & example)

PICK A CSV FILE <input type="file" accept=".csv" id="demo">

THE HTML

01

FILE PICKER let picker = document.getElementById ("demo");

THE JAVASCRIPT

02

picker.onchange = () => {   GET SELECTED FILE   let selected = picker.files[0];     READ CSV FILE INTO ARRAY   let reader = new FileReader();   reader.addEventListener("loadend", () => {     let csv = CSV.parse(reader.result);     console.log(csv);   });    reader.readAsText(selected);  };