Run results for: JQuery: test find by class

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0

Browser: Firefox 78

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
container.find("div.row")	125836.8 Ops/sec
container.find(".row")	257930.9 Ops/sec
$(".row")	233282.1 Ops/sec

HTML Preparation code:

<div id="container">
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
  <div class="row"></div>
</div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.js'></script>

Script Preparation code:

var container = $("#container");

Tests:

container.find("div.row")
container.find("div.row");
container.find(".row")
container.find(".row");
$(".row")
$(".row");

Run results for: JQuery: test find by class

Test find by class.

container.find("div.row")

container.find(".row")

$(".row")