jQuery append vs html vs innerHTML list performance

JavaScript performance comparison

Revision 178 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="list">
</div>
      
<script>
Benchmark.prototype.setup = function() {
  var len = 20;

};
</script>

Preparation code output

<div id="list"> </div>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
sanitized + append
var entityMap = {
  "&": "&amp;",
  "<": "&lt;",
  ">": "&gt;",
  '"': '&quot;',
  "'": '&#39;',
  "/": '&#x2F;'
};

function escapeHtml(string) {
  return String(string).replace(/[&<>"'\/]/g, function(s) {
    return entityMap[s];
  });
}

var html = '';
for (var i = 0; i < len; i++) {

  html += '<div>' + escapeHtml('Test ' + i) + '</div>';
}

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

$('#list').html(html);
pending…
javascript innerHTML
var list = document.getElementById('list');
for (var i = 0; i < len; i++) {
  list.innerHTML = list.innerHTML + '<div>Test ' + i + '</div>';
}
pending…
sanitized
var entityMap = {
  "&": "&amp;",
  "<": "&lt;",
  ">": "&gt;",
  '"': '&quot;',
  "'": '&#39;',
  "/": '&#x2F;'
};

function escapeHtml(string) {
  return String(string).replace(/[&<>"'\/]/g, function(s) {
    return entityMap[s];
  });
}

var html = [];
for (var i = 0; i < len; i++) {

  html.push('<div>' + escapeHtml('Test ' + i) + '</div>');
}

$('#list').html(html.join(''));
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL.

0 Comments