minimize jQuery object creation

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="appRoot">
  <div class="element1">
    element1
  </div>
  <div class="element2">
    element2
  </div>
  <div class="element3">
    element3
  </div>
  <div class="element4">
    element4
  </div>
  <div class="element5">
    element5 
  </div>
  <div class="element6">
    element6
  </div>
</div>

Preparation code output

element1
element2
element3
element4
element5
element6

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
More jQuery objects
 
$(function() {

  $(".element1").bind("click", function() {
    $(".element2").text("clicked by 1");
  })

  $(".element3").bind("click", function() {
    $(".element1").text("clicked by 3");
  })
  $(".element6").bind("click", function() {
    $(".element1").text("clicked by 3");
  })
  $(".element4").bind("click", function() {
    $(".element5").text("clicked by 4");
  })

  $(".element1").click();
  $(".element2").click();
  $(".element3").click();
  $(".element4").click();
  $(".element5").click();
  $(".element6").click();
});
 pending…
Less jQuery Objects
 
$(function() {

  var appRoot = $("#appRoot");


  appRoot.find(".element1").bind("click", function() {
    appRoot.find(".element2").text("clicked by 1");
  })

  appRoot.find(".element3").bind("click", function() {
    appRoot.find(".element1").text("clicked by 3");
  })


  appRoot.find(".element6").bind("click", function() {
    appRoot.find(".element1").text("clicked by 3");
  })


  appRoot.find(".element4").bind("click", function() {
    appRoot.find(".element5").text("clicked by 4");
  })

  appRoot.find(".element1").click();
  appRoot.find(".element2").click();
  appRoot.find(".element3").click();
  appRoot.find(".element4").click();
  appRoot.find(".element5").click();
  appRoot.find(".element6").click();
});
 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. Here’s a list of current revisions for this page:

0 comments

Add a comment