Benchmark: Dom benchmark - MeasureThat.net

HTML Preparation code:

<div id="i1">
  <div id="i2">
    <div id="i4" class="c1">
      <div class="c5">
        <div class="c4">

        </div>
        <div class="c5">

        </div>
      </div>
    </div>
    <div class="c7">
      <div class="c6">

      </div>
    </div>
    <div id="i3" class="c2">
      <div class="c3">
        <div class="c4">
          <div class="c8">
            <span>
				Find me
            </span>
          </div>
        </div>
        <div class="c5">

        </div>
      </div>
    </div>
  </div>
</div>

Script Preparation code:

function test1() {
  return document.getElementById('i3').querySelector('span');
}

function test2() {
  var e = document.getElementById('i3');
  return e ? e.querySelector('span') : null;
}

function test3() {
  return document.getElementById('i4').querySelector('span');
}

function test4() {
  var e = document.getElementById('i4');
  return e ? e.querySelector('span') : null;
}

function test5() {
  return document.querySelector('span');
}

Tests:

one-liner found
var r = test1();
if breakout found
var r = test2();
one-liner not found
var r = test3();
if breakout not found
var r = test4();
single found
var r = test5();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
one-liner found
if breakout found
one-liner not found
if breakout not found
single found

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0

Browser/OS: Firefox 112 on Windows

View result in a separate tab

Test name	Executions per second
one-liner found	3826284.0 Ops/sec
if breakout found	3839006.0 Ops/sec
one-liner not found	3737358.0 Ops/sec
if breakout not found	3746462.0 Ops/sec
single found	4240275.0 Ops/sec

Dom benchmark (version: 0)

Comparing performance of: one-liner found vs if breakout found vs one-liner not found vs if breakout not found vs single found

Created: 7 years ago by: Guest

Jump to the latest result

one-liner found

if breakout found

one-liner not found

if breakout not found

single found

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A