Run results for: asdasdasd213423

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
each	548123.9 Ops/sec
for	490028.6 Ops/sec

HTML Preparation code:

<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
<span class="span">
  <div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div><div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
    <div id='it'>
    </div>
  </div>
</span>

Script Preparation code:

var $it = $('#it');

Tests:

each
$it.each(function() {$(this).addClass('ss')})
for
for(let i = 0; i<$it.length; i++ ) {$($it[i]).addClass('ss')}

Run results for: asdasdasd213423

sdfdf234

each

for