Benchmark: document querySelector

HTML Preparation code:

<div>
    <main>
        <nav>
            <b>
                <small>
                    <p id="A" class="idx">12345</p>
                </small>
            </b>
        </nav>
    </main>
</div>

Script Preparation code:

var X = 0;

Tests:

1
document.querySelector("div>main>nav>b>small>p").textContent = ++X;
2
document.querySelector(".idx").textContent = ++X;
3
A.textContent = ++X;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2
3

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Windows

View result in a separate tab

Test name	Executions per second
1	273422.6 Ops/sec
2	343779.6 Ops/sec
3	239068.5 Ops/sec

Related benchmarks:

Different types of selecting
document.getElementById, document.querySelector, element.querySelector
querySelector(class) vs classList.some
querySelector vs tag

document querySelector (version: 0)

Comparing performance of: 1 vs 2 vs 3

Created: 2 years ago by: Guest

Jump to the latest result

1

2

3

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A