JSFiddle - React, Tailwind, and code Playground

by rrryutaro

JavaScript

var ary1 = [1, 2, 3];
var ary2 = [[11, 12, 13], [21, 22, 23], [31, 32, 33]];
$('body').append(ary1[0] + '<br>');
$('body').append(ary2[1][2] + '<br>');