Run results for: Jquery selectors test 1.

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0

Browser: Firefox 66

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Single selector	312.2 Ops/sec
Double selector	112.5 Ops/sec
ID selector	498.4 Ops/sec
Prefixed selector	161.8 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<div>
</div>
<div>
<div class="main">
  <div class="red" id="neo">
  </div>
</div>
</div>

Tests:

Single selector
for(i=0; i<1000; i++){ $(".red"); }
Double selector
for(i=0; i<1000; i++){ $(".main .red"); }
ID selector
for(i=0; i<1000; i++){ $("#neo"); }
Prefixed selector
for(i=0; i<1000; i++){ $("div.red"); }

Run results for: Jquery selectors test 1.

Single selector

Double selector

ID selector

Prefixed selector