Test case details

Preparation Code

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"> </script> <div id="list"> </div>
var len = 20;

Test cases

Test #1

for (var i = 0; i < len; i++) {   $('#list').append('<div>Test ' + i + '</div>'); }

Test #2

var html = []; for (var i = 0; i < len; i++) {   html.push('<div>Test ' + i + '</div>'); } $('#list').html(html.join(','));

Test #3

var html = []; for (var i = 0; i < len; i++) {   html.push('<div>Test ' + i + '</div>'); } document.getElementById('list').innerHTML = html.join(',');