JSFiddle - React, Tailwind, and code Playground

JavaScript

var html,
    len = 271860,
    pieces = ['<ul>']

for (var i = 0; i < len; i++) {
    pieces.push('<li>Foo</li>');
}
pieces.push('</ul>');
html = pieces.join('');
pieces = null;

$('body').append($('<div>').text('Len: ' + html.length));

//no need to do $(html)
$('body').append(html);