Convert HTML table to CSV

table_to_csv.js

csv = []
var rows = document.querySelectorAll("table tr");
	
for (var i = 0; i < rows.length; i++) {
  var row = [], cols = rows[i].querySelectorAll("td, th");
  for (var j = 0; j < cols.length; j++) 
      row.push(cols[j].innerText);

  csv.push(row.join("|"));		
}

Partially extracted from: https://codepen.io/malahovks/pen/gLxLWX