and convert languages from Wikimedia to CSV

language_wikimedia.js

// Extract and convert languages @ below URL to CSV
// https://meta.wikimedia.org/wiki/Template:List_of_language_names_ordered_by_code

var langCode = [];
$('.wikitable tbody tr td:nth-child(1)').each(function(){
   langCode.push($(this).text());       
});

var enName = [];
$('.wikitable tbody tr td:nth-child(2)').each(function(){
   enName.push($(this).text());       
});

var direction = [];
$('.wikitable tbody tr td:nth-child(3)').each(function(){
   direction.push($(this).text());       
});

var localName = [];
$('.wikitable tbody tr td:nth-child(4)').each(function(){
   localName.push($(this).text());       
});

var matrix = [];
for (var i = 0; i < langCode.length; i++) {
  matrix.push([
    langCode[i],
    enName[i],
    direction[i],
    localName[i]
  ]);
}

var csvContent = '';
var dataString = '';
matrix.forEach(function(infoArray, index){
  dataString = infoArray.join(',');
  csvContent += index < matrix.length ? dataString + "\n" : dataString;
});