Run results for: jQuery 1.8.3 vs 2.0.3

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 28 days ago

Test name	Executions per second
Test jQuery 1.8.3	127522.0 Ops/sec
Test jQuery 2.0.3	130626.0 Ops/sec

HTML Preparation code:

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js'></script>
<script>
  var $jq183 = $.noConflict(true);
</script>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js'></script>
<script>
  var $jq203 = $.noConflict(true);
</script>
<div>
  <ul id="menu">
    <li class="menu-item">1</li>
    <li class="menu-item">2</li>
    <li class="menu-item">3</li>
    <li class="menu-item">4</li>  
  </ul>
</div>

Script Preparation code:

function tests($) {
    $(".menu-item").eq(2).closest("ul").css({
      "background-color": "red"
    }).parent().css({
      "border": "1px solid blue"
    }).append($("<p></p>").text("Text.").css({
      "background-color": "green"
    })).end().end().remove();
  console.log('tests' + $);
}

Tests:

Test jQuery 1.8.3
tests($jq183);
Test jQuery 2.0.3
tests($jq203);

Run results for: jQuery 1.8.3 vs 2.0.3

benchmark 2 different versions of jquery

Test jQuery 1.8.3

Test jQuery 2.0.3